Knowledge (XXG)

Modular form

Source 📝

4611: 4317: 6170: 5094: 32: 4606:{\displaystyle {\begin{aligned}\Gamma _{0}(N)&=\left\{{\begin{pmatrix}a&b\\c&d\end{pmatrix}}\in {\text{SL}}(2,\mathbf {Z} ):c\equiv 0{\pmod {N}}\right\}\\\Gamma (N)&=\left\{{\begin{pmatrix}a&b\\c&d\end{pmatrix}}\in {\text{SL}}(2,\mathbf {Z} ):c\equiv b\equiv 0,a\equiv d\equiv 1{\pmod {N}}\right\}.\end{aligned}}} 1576: 5863:
are a mixture of modular forms and elliptic functions. Examples of such functions are very classical - the Jacobi theta functions and the Fourier coefficients of Siegel modular forms of genus two - but it is a relatively recent observation that the Jacobi forms have an arithmetic theory very
4921: 2867: 5479:. Such rings of modular forms are generated in weight at most 6 and the relations are generated in weight at most 12 when the congruence subgroup has nonzero odd weight modular forms, and the corresponding bounds are 5 and 10 when there are no nonzero odd weight modular forms. 2055: 2706: 859: 1318: 3021: 6100: 3383: 251: 5089:{\displaystyle \dim _{\mathbf {C} }M_{k}\left({\text{SL}}(2,\mathbf {Z} )\right)={\begin{cases}\left\lfloor k/12\right\rfloor &k\equiv 2{\pmod {12}}\\\left\lfloor k/12\right\rfloor +1&{\text{otherwise}}\end{cases}}} 2522: 1430: 2166: 1214: 3176: 2717: 5744: 1761: 1918: 6447: 3603: 3793: 5458: 1084: 319: 913: 571: 3685: 5654: 3933: 1371: 4322: 2722: 1952: 411: 5964: 4203: 985: 523: 2558: 1022: 674: 637: 5123: 6150: 4051:) of an elliptic curve, regarded as a function on the set of all elliptic curves, is a modular function. More conceptually, modular functions can be thought of as functions on the 750: 445: 121: 6482: 3845: 6711: 50: 775: 6957: 1847: 1248: 6340: 5596: 1237: 1104: 349: 3477:
The second and third examples give some hint of the connection between modular forms and classical questions in number theory, such as representation of integers by
3977: 5313:
vary, we can find the numerators and denominators for constructing all the rational functions which are really functions on the underlying projective space P(
770: 861:
The identification of such functions with such matrices causes composition of such functions to correspond to matrix multiplication. In addition, it is called a
5566: 5546: 5526: 5147: 1938: 1124: 369: 2939: 6303: 5972: 3263: 184: 1571:{\displaystyle {\text{SL}}(2,\mathbf {Z} )=\left\{\left.{\begin{pmatrix}a&b\\c&d\end{pmatrix}}\right|a,b,c,d\in \mathbf {Z} ,\ ad-bc=1\right\}} 7380: 3506: 2450: 5343:
Modular forms can also be profitably approached from this geometric direction, as sections of line bundles on the moduli space of elliptic curves.
2862:{\displaystyle {\begin{aligned}G_{k}\left(-{\frac {1}{\tau }}\right)&=\tau ^{k}G_{k}(\tau ),\\G_{k}(\tau +1)&=G_{k}(\tau ).\end{aligned}}} 4040:. Thus, a modular function can also be regarded as a meromorphic function on the set of isomorphism classes of elliptic curves. For example, the 7109: 6282:. In 2001 all elliptic curves were proven to be modular over the rational numbers. In 2013 elliptic curves were proven to be modular over real 2066: 1132: 5153: 3093: 7472: 7069: 6950: 6588: 6286:. In 2023 elliptic curves were proven to be modular over about half of imaginary quadratic fields, including fields formed by combining the 5764:
is a modular form with a zero constant coefficient in its Fourier series. It is called a cusp form because the form vanishes at all cusps.
5659: 6508: 5270:. Unfortunately, the only such functions are constants. If we allow denominators (rational functions instead of polynomials), we can let 6930: 5482:
More generally, there are formulas for bounds on the weights of generators of the ring of modular forms and its relations for arbitrary
3248: 1666: 7538: 7160: 7059: 6782: 3482: 2926:
vectors forming the columns of a matrix of determinant 1 and satisfying the condition that the square of the length of each vector in
7528: 6719: 6371:
function can only have a finite number of negative-exponent terms in its Laurent series, its q-expansion. It can only have at most a
1852: 6854: 6760: 6549: 6399: 6217: 3555: 68: 3707: 5396: 1043: 278: 7238: 6943: 5827:
variables, each a complex number in the upper half-plane, satisfying a modular relation for 2×2 matrices with entries in a
5772:
There are a number of other usages of the term "modular function", apart from this classical one; for example, in the theory of
7568: 1374: 872: 530: 7385: 7296: 6195: 3615: 7306: 7233: 5601: 3859: 1817:
is "holomorphic at the cusp", a terminology that is explained below. Explicitly, the condition means that there exist some
1330: 6983: 6191: 7203: 6245:
and others towards the end of the nineteenth century as the automorphic form concept became understood (for one variable)
2050:{\displaystyle S={\begin{pmatrix}0&-1\\1&0\end{pmatrix}},\qquad T={\begin{pmatrix}1&1\\0&1\end{pmatrix}}} 7099: 7462: 7426: 4014:
be invariant with respect to a sub-group of the modular group of finite index. This is not adhered to in this article.
7125: 7038: 3236: 378: 6180: 5897: 4006:
Sometimes a weaker definition of modular functions is used – under the alternative definition, it is sufficient that
1385:
A modular function is a function that is invariant with respect to the modular group, but without the condition that
2701:{\displaystyle G_{k}(\Lambda )=G_{k}(\tau )=\sum _{(0,0)\neq (m,n)\in \mathbf {Z} ^{2}}{\frac {1}{(m+n\tau )^{k}}},} 7573: 7436: 7074: 6846: 6806: 6624: 4253: 4237: 4153: 918: 132: 6279: 6199: 6184: 450: 7482: 6834: 5828: 3027: 2180: 7395: 7375: 7311: 7228: 7089: 4904: 1324: 7130: 6899: 990: 642: 7094: 5505: 5500: 576: 4036:
elliptic curves if and only if one is obtained from the other by multiplying by some non-zero complex number
7286: 6372: 5173: 5102: 6108: 7563: 7079: 5278:
polynomials of the same degree. Alternatively, we can stick with polynomials and loosen the dependence on
682: 7457: 7193: 6993: 6380: 6153: 5352: 5181: 3949: 3490: 3254: 424: 264: 100: 7155: 7104: 1404:: they are holomorphic on the complement of a set of isolated points, which are poles of the function. 854:{\textstyle \gamma ={\begin{pmatrix}a&b\\c&d\end{pmatrix}}\in {\text{SL}}_{2}(\mathbb {Z} ).\,} 6345:"DLMF: §23.15 Definitions ‣ Modular Functions ‣ Chapter 23 Weierstrass Elliptic and Modular Functions" 7533: 7405: 7316: 7064: 6912: 6263:
Taniyama and Shimura identified a 1-to-1 matching between certain modular forms and elliptic curves.
5820: 5802: 5275: 5157: 3803: 3550: 3537: 3420: 3397: 2880: 1631: 1401: 1397: 373: 7370: 6680: 4990: 3991:
at i∞. This condition is called "meromorphic at the cusp", meaning that only finitely many negative-
3485:. The crucial conceptual link between modular forms and number theory is furnished by the theory of 7248: 7213: 7170: 7150: 6908: 5834: 5806: 5333: 4734: 4309: 4230: 3224: 128: 6156:, a modular form of weight 1/2, may be encompassed by the theory by allowing automorphic factors. 4267:. Typically it is not compact, but can be compactified by adding a finite number of points called 7500: 7084: 6790: 6256: 5891: 5325: 5226:
The situation can be profitably compared to that which arises in the search for functions on the
5185: 4702: 3848: 3393: 3058:
has integer coordinates, either all even or all odd, and such that the sum of the coordinates of
2910: 1313:{\displaystyle X_{\Gamma }=\Gamma \backslash ({\mathcal {H}}\cup \mathbb {P} ^{1}(\mathbb {Q} ))} 155: 7291: 7271: 7243: 5805:. The holomorphic parts of certain weak Maass wave forms turn out to be essentially Ramanujan's 7400: 7347: 7218: 7033: 7028: 6873: 6850: 6778: 6756: 6584: 6545: 6501: 6268: 6235: 5791: 4286: 2410: 2292: 2217: 1820: 178: 90: 6325: 6271:, which has become one of the most far-reaching and consequential research programs in math. 5575: 1222: 1089: 334: 7390: 7276: 7253: 6920: 6602: 6287: 6283: 6264: 5867: 5838: 5476: 5227: 4277: 3541: 3471: 3081: 1594: 414: 326: 170: 147: 94: 6814: 6598: 3955: 3509:
that the only modular forms are constant functions. However, relaxing the requirement that
7505: 7321: 7263: 7165: 6988: 6967: 6881: 6810: 6798: 6774: 6752: 6676: 6606: 6594: 6580: 6322:
Some authors use different conventions, allowing an additional constant depending only on
5850: 4298: 4264: 4101: 1582: 6820:
Provides an introduction to modular forms from the point of view of representation theory
6655: 4875:
to obtain further information about modular forms and functions. For example, the spaces
3016:{\displaystyle \vartheta _{L}(z)=\sum _{\lambda \in L}e^{\pi i\Vert \lambda \Vert ^{2}z}} 755: 16:
Analytic function on the upper half-plane with a certain behavior under the modular group
7188: 6916: 6642:, Publications of the Mathematical Society of Japan, vol. 11, Tokyo: Iwanami Shoten 2361:
remains bounded above as long as the absolute value of the smallest non-zero element in
7013: 6998: 6975: 6745: 6740: 6095:{\displaystyle f\left({\frac {az+b}{cz+d}}\right)=\varepsilon (a,b,c,d)(cz+d)^{k}f(z).} 5881:
are meromorphic functions on the upper half plane of moderate growth at infinity which
5551: 5531: 5511: 5483: 5472: 5132: 5126: 4052: 4022: 4018: 3695: 3486: 3478: 3467: 3463: 3451: 2931: 2369:
The key idea in proving the equivalence of the two definitions is that such a function
2351: 2252: 2242: 2225: 1923: 1780: 1610: 1109: 354: 159: 3378:{\displaystyle \eta (z)=q^{1/24}\prod _{n=1}^{\infty }(1-q^{n}),\qquad q=e^{2\pi iz}.} 2373:
is determined, because of the second condition, by its values on lattices of the form
246:{\displaystyle \mathrm {SL} _{2}(\mathbb {Z} )\subset \mathrm {SL} _{2}(\mathbb {R} )} 19:"Modular function" redirects here. A distinct use of this term appears in relation to 7557: 7520: 7301: 7281: 7208: 7003: 6566: 5966:
which are used to generalise the modularity relation defining modular forms, so that
5794: 5337: 3606: 3416: 3221: 1422: 1240: 1037: 163: 151: 136: 3037:. It is not so easy to construct even unimodular lattices, but here is one way: Let 7467: 7441: 7431: 7421: 7223: 6579:, Grundlehren der Mathematischen Wissenschaften , vol. 244, Berlin, New York: 6275: 5773: 4134: 3455: 3415:
is a modular form of weight 12. The presence of 24 is related to the fact that the
1400:
in the upper half-plane (among other requirements). Instead, modular functions are
322: 20: 6526: 3087:. Because there is only one modular form of weight 8 up to scalar multiplication, 6574: 7342: 7180: 6826: 6368: 6291: 6249: 6242: 6169: 5860: 5787: 5370: 4041: 3459: 3228: 3207: 3077: 2517:{\displaystyle G_{k}(\Lambda )=\sum _{0\neq \lambda \in \Lambda }\lambda ^{-k}.} 1033: 257: 82: 5320:
One might ask, since the homogeneous polynomials are not really functions on P(
256:
The term "modular form", as a systematic description, is usually attributed to
7337: 6894: 6887:
Chapter VII provides an elementary introduction to the theory of modular forms
6570: 5305:. On the one hand, these form a finite dimensional vector space for each  4033: 6935: 7198: 5871: 5798: 5761: 5755: 4092: 3424: 174: 5853:
in the same sense that classical modular forms (which are sometimes called
4903:
are finite-dimensional, and their dimensions can be computed thanks to the
5572:. These old forms can be constructed using the following observations: if 4777:. Again, modular forms that vanish at all cusps are called cusp forms for 2161:{\displaystyle f\left(-{\frac {1}{z}}\right)=z^{k}f(z),\qquad f(z+1)=f(z)} 1323:
The dimensions of these spaces of modular forms can be computed using the
1209:{\displaystyle f\in H^{0}(X_{\Gamma },\omega ^{\otimes k})=M_{k}(\Gamma )} 3232: 3171:{\displaystyle \vartheta _{L_{8}\times L_{8}}(z)=\vartheta _{L_{16}}(z),} 6864: 5340:
in this case). The situation with modular forms is precisely analogous.
5168:
is not identically 0, then it can be shown that the number of zeroes of
4138:
is a modular function whose poles and zeroes are confined to the cusps.
7510: 7495: 6924: 6255:
In the 1960s, as the needs of number theory and the formulation of the
7490: 6259:
in particular made it clear that modular forms are deeply implicated.
6152:
is called the nebentypus of the modular form. Functions such as the
5739:{\displaystyle M_{k}(\Gamma _{1}(M))\subseteq M_{k}(\Gamma _{1}(N))} 4841:), they are also referred to as modular/cusp forms and functions of 4205:
can be relaxed by requiring it only for matrices in smaller groups.
4017:
Another way to phrase the definition of modular functions is to use
3999:-expansion is bounded below, guaranteeing that it is meromorphic at 3489:, which also gives the link between the theory of modular forms and 169:
Modular form theory is a special case of the more general theory of
5841:
in the same way in which classical modular forms are associated to
3211: 2191:, the second condition above is equivalent to these two equations. 6344: 1756:{\displaystyle f\left({\frac {az+b}{cz+d}}\right)=(cz+d)^{k}f(z)} 6805:, Annals of Mathematics Studies, vol. 83, Princeton, N.J.: 5301:). The solutions are then the homogeneous polynomials of degree 4301:, which allows one to speak of holo- and meromorphic functions. 1032:
Modular forms can also be interpreted as sections of a specific
6939: 6931:
Behold Modular Forms, the ‘Fifth Fundamental Operation’ of Math
5528:
which cannot be constructed from modular forms of lower levels
1913:{\displaystyle \operatorname {Im} (z)>M\implies |f(z)|<D} 6640:
Introduction to the arithmetic theory of automorphic functions
6442:{\displaystyle {\begin{pmatrix}a&b\\c&d\end{pmatrix}}} 6163: 4289:±2) fixing the point. This yields a compact topological space 3598:{\displaystyle {\begin{pmatrix}a&b\\c&d\end{pmatrix}}} 25: 6897:(1988), "Jacobi forms and a certain space of modular forms", 5194:.It can be shown that the field of modular function of level 4765:
satisfying the above functional equation for all matrices in
3788:{\displaystyle f(z)=\sum _{n=-m}^{\infty }a_{n}e^{2i\pi nz}.} 6483:"Elliptic Curves Yield Their Secrets in a New Number System" 5453:{\displaystyle M(\Gamma )=\bigoplus _{k>0}M_{k}(\Gamma )} 3529:
is called modular if it satisfies the following properties:
3249:
Weierstrass's elliptic functions § Modular discriminant
1276: 1268: 1079:{\displaystyle \Gamma \subset {\text{SL}}_{2}(\mathbb {Z} )} 390: 314:{\displaystyle \Gamma \subset {\text{SL}}_{2}(\mathbb {Z} )} 177:
that transform nicely with respect to the action of certain
150:. The main importance of the theory is its connections with 107: 6230:
The theory of modular forms was developed in four periods:
5082: 1465: 6773:, Graduate Texts in Mathematics, vol. 228, New York: 4297:. What is more, it can be endowed with the structure of a 1806:, only the zero function can satisfy the second condition. 3026:
converges when Im(z) > 0, and as a consequence of the
2237:
A modular form can equivalently be defined as a function
6880:, Graduate Texts in Mathematics, vol. 7, New York: 6267:
built on this idea in the construction of his expansive
5857:
to emphasize the point) are related to elliptic curves.
3698:. The third condition is that this series is of the form 2343:
is a constant (typically a positive integer) called the
908:{\displaystyle \gamma \in {\text{SL}}_{2}(\mathbb {Z} )} 566:{\displaystyle \gamma \in {\text{SL}}_{2}(\mathbb {Z} )} 6747:
Modular functions and Dirichlet Series in Number Theory
3680:{\displaystyle f\left({\frac {az+b}{cz+d}}\right)=f(z)} 3435:
is expanded as a power series in q, the coefficient of
2313:
is the lattice obtained by multiplying each element of
46: 6408: 5649:{\displaystyle \Gamma _{1}(N)\subseteq \Gamma _{1}(M)} 4483: 4361: 3928:{\displaystyle f(z)=\sum _{n=-m}^{\infty }a_{n}q^{n}.} 3564: 3041:
be an integer divisible by 8 and consider all vectors
2409:
The simplest examples from this point of view are the
2016: 1967: 1472: 790: 778: 758: 685: 6683: 6402: 6328: 6111: 5975: 5900: 5662: 5604: 5578: 5554: 5534: 5514: 5399: 5234:): in that setting, one would ideally like functions 5135: 5105: 4924: 4817:, respectively. Similarly, a meromorphic function on 4320: 4156: 4010:
be meromorphic in the open upper half-plane and that
3958: 3862: 3806: 3710: 3618: 3558: 3266: 3096: 2942: 2720: 2561: 2453: 2069: 1955: 1926: 1855: 1823: 1669: 1433: 1366:{\displaystyle \Gamma ={\text{SL}}_{2}(\mathbb {Z} )} 1333: 1251: 1225: 1135: 1112: 1092: 1046: 993: 921: 875: 645: 579: 533: 453: 427: 381: 357: 337: 281: 187: 103: 3474:, which were shown to imply Ramanujan's conjecture. 3076:, this is the lattice generated by the roots in the 7519: 7481: 7450: 7414: 7363: 7356: 7330: 7262: 7179: 7143: 7118: 7052: 7021: 7012: 6974: 4859:, this gives back the afore-mentioned definitions. 4785:-vector spaces of modular and cusp forms of weight 4055:of isomorphism classes of complex elliptic curves. 3220:by these two lattices are consequently examples of 1809:The third condition is also phrased by saying that 41:
may be too technical for most readers to understand
6744: 6705: 6441: 6334: 6144: 6094: 5958: 5738: 5648: 5590: 5560: 5540: 5520: 5463:Rings of modular forms of congruence subgroups of 5452: 5156:of the Riemann surface, and hence form a field of 5141: 5117: 5088: 4605: 4197: 3971: 3927: 3839: 3787: 3679: 3597: 3377: 3170: 3015: 2861: 2700: 2516: 2233:Definition in terms of lattices or elliptic curves 2160: 2049: 1932: 1912: 1841: 1755: 1570: 1365: 1312: 1231: 1208: 1118: 1098: 1078: 1016: 979: 907: 853: 764: 744: 668: 631: 565: 517: 439: 405: 363: 343: 313: 245: 115: 5508:are a subspace of modular forms of a fixed level 4867:The theory of Riemann surfaces can be applied to 4304:Important examples are, for any positive integer 146:The theory of modular forms therefore belongs to 5864:analogous to the usual theory of modular forms. 4281:∪{∞}, such that there is a parabolic element of 865:if it satisfies the following growth condition: 406:{\displaystyle f:{\mathcal {H}}\to \mathbb {C} } 181:, generalizing the example of the modular group 6623:, Annals of Mathematics Studies, vol. 48, 5959:{\displaystyle \varepsilon (a,b,c,d)(cz+d)^{k}} 5385:is the vector space of modular forms of weight 4146:The functional equation, i.e., the behavior of 2905:II. Theta functions of even unimodular lattices 154:. Modular forms appear in other areas, such as 6769:Diamond, Fred; Shurman, Jerry Michael (2005), 5870:extend the notion of modular forms to general 5324:), what are they, geometrically speaking? The 6951: 6866:Lectures on Modular Forms and Hecke Operators 4198:{\displaystyle z\mapsto {\frac {az+b}{cz+d}}} 980:{\displaystyle (cz+d)^{-k}f(\gamma (z))\to 0} 8: 6789:Leads up to an overview of the proof of the 5656:giving a reverse inclusion of modular forms 5112: 5106: 3030:can be shown to be a modular form of weight 2999: 2992: 2901:, so that such series are identically zero. 1619:satisfying the following three conditions: 518:{\displaystyle f(\gamma (z))=(cz+d)^{k}f(z)} 6198:. Unsourced material may be challenged and 5242:which are polynomial in the coordinates of 7360: 7018: 6958: 6944: 6936: 5471:are finitely generated due to a result of 4729:exactly once and such that the closure of 1881: 1877: 6688: 6682: 6403: 6401: 6327: 6218:Learn how and when to remove this message 6110: 6071: 5983: 5974: 5950: 5899: 5718: 5705: 5680: 5667: 5661: 5631: 5609: 5603: 5577: 5553: 5533: 5513: 5435: 5419: 5398: 5134: 5104: 5074: 5053: 5025: 5001: 4985: 4969: 4955: 4944: 4930: 4929: 4923: 4575: 4531: 4517: 4478: 4429: 4409: 4395: 4356: 4329: 4321: 4319: 4163: 4155: 3979:are known as the Fourier coefficients of 3963: 3957: 3916: 3906: 3896: 3882: 3861: 3805: 3764: 3754: 3744: 3730: 3709: 3626: 3617: 3559: 3557: 3357: 3334: 3315: 3304: 3290: 3286: 3265: 3148: 3143: 3119: 3106: 3101: 3095: 3062:is an even integer. We call this lattice 3002: 2985: 2969: 2947: 2941: 2837: 2805: 2779: 2769: 2743: 2729: 2721: 2719: 2686: 2661: 2653: 2648: 2610: 2588: 2566: 2560: 2502: 2480: 2458: 2452: 2103: 2081: 2068: 2011: 1962: 1954: 1925: 1899: 1882: 1854: 1822: 1735: 1677: 1668: 1531: 1467: 1448: 1434: 1432: 1356: 1355: 1346: 1341: 1332: 1300: 1299: 1290: 1286: 1285: 1275: 1274: 1256: 1250: 1224: 1191: 1172: 1159: 1146: 1134: 1111: 1091: 1069: 1068: 1059: 1054: 1045: 1017:{\displaystyle {\text{im}}(z)\to \infty } 994: 992: 941: 920: 898: 897: 888: 883: 874: 850: 840: 839: 830: 825: 785: 777: 757: 719: 684: 669:{\displaystyle {\text{im}}(z)\to \infty } 646: 644: 599: 578: 556: 555: 546: 541: 532: 497: 452: 426: 399: 398: 389: 388: 380: 356: 336: 304: 303: 294: 289: 280: 236: 235: 226: 218: 207: 206: 197: 189: 186: 112: 106: 105: 104: 102: 69:Learn how and when to remove this message 53:, without removing the technical details. 632:{\displaystyle (cz+d)^{-k}f(\gamma (z))} 417:such that two conditions are satisfied: 6470: 6315: 7381:Clifford's theorem on special divisors 6304:Wiles's proof of Fermat's Last Theorem 5849:; in other words, they are related to 5784:determined by the conjugation action. 5118:{\displaystyle \lfloor \cdot \rfloor } 4271:. These are points at the boundary of 3513:be holomorphic leads to the notion of 3470:as a result of Deligne's proof of the 1940:is bounded above some horizontal line. 6527:"Modular Functions and Modular Forms" 6145:{\displaystyle \varepsilon (a,b,c,d)} 5152:The modular functions constitute the 4142:Modular forms for more general groups 1373:are sections of a line bundle on the 745:{\textstyle \gamma (z)=(az+b)/(cz+d)} 51:make it understandable to non-experts 7: 6476: 6474: 6196:adding citations to reliable sources 5809:. Groups which are not subgroups of 5389:, then the ring of modular forms of 3450:. This was confirmed by the work of 2255:which satisfies certain conditions: 6657:Modular Functions and Modular Forms 6514:from the original on 1 August 2020. 6502:"Cohomology of Automorphic Bundles" 5369:, the ring of modular forms is the 5202:≥ 1) is generated by the functions 5033: 5026: 4733:meets all orbits. For example, the 4583: 4437: 3987:is called the order of the pole of 263:Each modular form is attached to a 7539:Vector bundles on algebraic curves 7473:Weber's theorem (Algebraic curves) 7070:Hasse's theorem on elliptic curves 7060:Counting points on elliptic curves 6725:from the original on 31 July 2020. 6685: 5715: 5677: 5628: 5606: 5444: 5406: 5373:generated by the modular forms of 4454: 4326: 3995:coefficients are non-zero, so the 3897: 3745: 3690:The second condition implies that 3316: 2930:is an even integer. The so-called 2575: 2493: 2467: 1334: 1327:. The classical modular forms for 1265: 1257: 1239:is a canonical line bundle on the 1200: 1160: 1093: 1047: 1011: 663: 440:{\displaystyle \gamma \in \Gamma } 434: 338: 282: 222: 219: 193: 190: 116:{\displaystyle \,{\mathcal {H}}\,} 14: 6803:Automorphic Forms on Adèle Groups 6238:, in the early nineteenth century 6234:In connection with the theory of 4825:is called a modular function for 3694:is periodic, and therefore has a 3210:observed that the 16-dimensional 2306:is a non-zero complex number and 173:, which are functions defined on 6644:, Theorem 2.33, Proposition 2.26 6168: 4970: 4931: 4907:in terms of the geometry of the 4532: 4410: 4021:: every lattice Λ determines an 3940:This is also referred to as the 3800:It is often written in terms of 2649: 1799:is typically a positive integer. 1532: 1449: 30: 7161:Hurwitz's automorphisms theorem 6771:A First Course in Modular Forms 4576: 4430: 3840:{\displaystyle q=\exp(2\pi iz)} 3505:is zero, it can be shown using 3346: 2124: 2004: 1375:moduli stack of elliptic curves 1126:can be defined as an element of 7386:Gonality of an algebraic curve 7297:Differential of the first kind 6706:{\displaystyle \Gamma _{1}(N)} 6700: 6694: 6481:Van Wyk, Gerhard (July 2023). 6139: 6115: 6086: 6080: 6068: 6052: 6049: 6025: 5947: 5931: 5928: 5904: 5733: 5730: 5724: 5711: 5695: 5692: 5686: 5673: 5643: 5637: 5621: 5615: 5447: 5441: 5409: 5403: 5309:, and on the other, if we let 5037: 5027: 4974: 4960: 4701:can be understood by studying 4587: 4577: 4536: 4522: 4463: 4457: 4441: 4431: 4414: 4400: 4341: 4335: 4160: 3872: 3866: 3834: 3819: 3720: 3714: 3674: 3668: 3340: 3321: 3276: 3270: 3162: 3156: 3133: 3127: 2959: 2953: 2887:there is cancellation between 2849: 2843: 2823: 2811: 2791: 2785: 2683: 2667: 2641: 2629: 2623: 2611: 2600: 2594: 2578: 2572: 2470: 2464: 2155: 2149: 2140: 2128: 2118: 2112: 1900: 1896: 1890: 1883: 1878: 1868: 1862: 1750: 1744: 1732: 1716: 1453: 1439: 1360: 1352: 1307: 1304: 1296: 1271: 1203: 1197: 1181: 1152: 1073: 1065: 1008: 1005: 999: 971: 968: 965: 959: 953: 938: 922: 902: 894: 844: 836: 772:is identified with the matrix 739: 724: 716: 701: 695: 689: 660: 657: 651: 626: 623: 617: 611: 596: 580: 560: 552: 512: 506: 494: 478: 472: 469: 463: 457: 421:Automorphy condition: For any 395: 308: 300: 240: 232: 211: 203: 1: 7529:Birkhoff–Grothendieck theorem 7239:Nagata's conjecture on curves 7110:Schoof–Elkies–Atkin algorithm 6984:Five points determine a conic 5883:fail to be modular of weight 5568:. The other forms are called 4721:intersects each orbit of the 3243:III. The modular discriminant 1774:is required to be bounded as 275:In general, given a subgroup 7100:Supersingular elliptic curve 6540:Chandrasekharan, K. (1985). 6278:used modular forms to prove 5877:Modular integrals of weight 4118:is the order of the zero of 2534:is a modular form of weight 1028:As sections of a line bundle 869:Cuspidal condition: For any 7307:Riemann's existence theorem 7234:Hilbert's sixteenth problem 7126:Elliptic curve cryptography 7039:Fundamental pair of periods 6843:Modular forms and functions 6619:Gunning, Robert C. (1962), 3237:Hearing the shape of a drum 2259:If we consider the lattice 7592: 7437:Moduli of algebraic curves 6847:Cambridge University Press 6841:Rankin, Robert A. (1977), 6835:Vandenhoeck & Ruprecht 6807:Princeton University Press 6625:Princeton University Press 5894:are functions of the form 5753: 5498: 5350: 5172:is equal to the number of 4254:quotient topological space 3246: 2922:is a lattice generated by 2436:over all non-zero vectors 1408:Modular forms for SL(2, Z) 527:Growth condition: For any 18: 6621:Lectures on modular forms 5837:are associated to larger 5829:totally real number field 5250:and satisfy the equation 5164:). If a modular function 4769:, that is holomorphic on 4032:; two lattices determine 3181:even though the lattices 3028:Poisson summation formula 1417:A modular form of weight 7204:Cayley–Bacharach theorem 7131:Elliptic curve primality 6900:Inventiones Mathematicae 6677:"Atkin-Lehner Theory of 6294:of integers down to −5. 5888:by a rational function. 5328:answer is that they are 2413:. For each even integer 2276:generated by a constant 1943:The second condition for 1842:{\displaystyle M,D>0} 1086:a modular form of level 7463:Riemann–Hurwitz formula 7427:Gromov–Witten invariant 7287:Compact Riemann surface 7075:Mazur's torsion theorem 6379: = 0, not an 6335:{\displaystyle \gamma } 5591:{\displaystyle M\mid N} 3421:A celebrated conjecture 2911:even unimodular lattice 2365:is bounded away from 0. 1232:{\displaystyle \omega } 1099:{\displaystyle \Gamma } 344:{\displaystyle \Gamma } 142:and a growth condition. 7569:Analytic number theory 7080:Modular elliptic curve 6878:A Course in Arithmetic 6863:Ribet, K.; Stein, W., 6707: 6638:Shimura, Goro (1971), 6443: 6336: 6146: 6096: 5960: 5855:elliptic modular forms 5740: 5650: 5592: 5562: 5542: 5522: 5454: 5347:Rings of modular forms 5336:(one could also say a 5143: 5119: 5090: 4607: 4199: 4079:, also paraphrased as 4003: = 0.  3973: 3929: 3901: 3841: 3789: 3749: 3681: 3599: 3379: 3320: 3172: 3017: 2863: 2702: 2518: 2162: 2051: 1934: 1914: 1843: 1757: 1572: 1367: 1321: 1314: 1233: 1217: 1210: 1120: 1100: 1080: 1018: 981: 909: 855: 766: 746: 670: 633: 567: 519: 441: 407: 365: 345: 331:modular form of level 315: 247: 117: 6994:Rational normal curve 6708: 6654:Milne, James (2010), 6444: 6381:essential singularity 6337: 6280:Fermat’s Last Theorem 6154:Dedekind eta function 6147: 6097: 5961: 5821:Hilbert modular forms 5741: 5651: 5593: 5563: 5543: 5523: 5455: 5377:. In other words, if 5353:Ring of modular forms 5144: 5120: 5091: 4608: 4263:can be shown to be a 4200: 3974: 3972:{\displaystyle a_{n}} 3950:q-expansion principle 3930: 3878: 3842: 3790: 3726: 3682: 3600: 3491:representation theory 3392:is the square of the 3380: 3300: 3255:Dedekind eta function 3247:Further information: 3214:obtained by dividing 3173: 3018: 2864: 2703: 2519: 2163: 2052: 1935: 1915: 1844: 1758: 1573: 1368: 1315: 1244: 1234: 1211: 1128: 1121: 1101: 1081: 1019: 982: 910: 856: 767: 747: 671: 634: 568: 520: 447:there is the equality 442: 408: 366: 346: 316: 265:Galois representation 248: 118: 7534:Stable vector bundle 7406:Weil reciprocity law 7396:Riemann–Roch theorem 7376:Brill–Noether theory 7312:Riemann–Roch theorem 7229:Genus–degree formula 7090:Mordell–Weil theorem 7065:Division polynomials 6681: 6400: 6326: 6192:improve this section 6109: 5973: 5898: 5835:Siegel modular forms 5807:mock theta functions 5660: 5602: 5576: 5552: 5532: 5512: 5397: 5274:be the ratio of two 5238:on the vector space 5158:transcendence degree 5133: 5103: 4922: 4905:Riemann–Roch theorem 4773:and at all cusps of 4318: 4310:congruence subgroups 4308:, either one of the 4209:The Riemann surface 4154: 3956: 3952:). The coefficients 3860: 3804: 3708: 3616: 3556: 3398:modular discriminant 3264: 3225:Riemannian manifolds 3094: 2940: 2718: 2559: 2451: 2405:I. Eisenstein series 2216:, modular forms are 2172:respectively. Since 2067: 1953: 1924: 1853: 1821: 1667: 1632:holomorphic function 1431: 1331: 1325:Riemann–Roch theorem 1249: 1223: 1133: 1110: 1090: 1044: 991: 919: 873: 776: 765:{\textstyle \gamma } 756: 683: 643: 577: 531: 451: 425: 379: 374:holomorphic function 355: 335: 279: 185: 131:with respect to the 101: 7357:Structure of curves 7249:Quartic plane curve 7171:Hyperelliptic curve 7151:De Franchis theorem 7095:Nagell–Lutz theorem 6917:1988InMat..94..113S 6831:Mathematische Werke 6799:Gelbart, Stephen S. 6544:. Springer-Verlag. 5892:Automorphic factors 5817:can be considered. 5776:, it is a function 5501:Atkin–Lehner theory 5393:is the graded ring 5266:) for all non-zero 4753:A modular form for 4703:fundamental domains 4244:in the same way as 3847:(the square of the 3507:Liouville's theorem 3443:has absolute value 3427:asserted that when 3419:has 24 dimensions. 1661:as above, we have: 1413:Standard definition 129:functional equation 7364:Divisors on curves 7156:Faltings's theorem 7105:Schoof's algorithm 7085:Modularity theorem 6925:10.1007/BF01394347 6874:Serre, Jean-Pierre 6791:modularity theorem 6703: 6542:Elliptic functions 6439: 6433: 6332: 6257:modularity theorem 6236:elliptic functions 6142: 6092: 5956: 5736: 5646: 5588: 5558: 5538: 5518: 5450: 5430: 5246: ≠ 0 in 5186:fundamental region 5154:field of functions 5139: 5115: 5086: 5081: 4603: 4601: 4508: 4386: 4229:that is of finite 4195: 3969: 3925: 3837: 3785: 3677: 3595: 3589: 3549:For every integer 3483:partition function 3375: 3168: 3013: 2980: 2859: 2857: 2698: 2660: 2514: 2497: 2224:, and thus have a 2218:periodic functions 2183:the modular group 2158: 2047: 2041: 1995: 1930: 1910: 1839: 1753: 1653:and any matrix in 1568: 1497: 1363: 1310: 1229: 1206: 1116: 1096: 1076: 1014: 977: 905: 851: 815: 762: 742: 666: 629: 563: 515: 437: 403: 361: 341: 311: 243: 179:discrete subgroups 156:algebraic topology 123:, that satisfies: 113: 7574:Special functions 7551: 7550: 7547: 7546: 7458:Hasse–Witt matrix 7401:Weierstrass point 7348:Smooth completion 7317:Teichmüller space 7219:Cubic plane curve 7139: 7138: 7053:Arithmetic theory 7034:Elliptic integral 7029:Elliptic function 6893:Skoruppa, N. P.; 6675:Mocanu, Andreea. 6590:978-0-387-90517-4 6567:Kubert, Daniel S. 6269:Langlands program 6228: 6227: 6220: 6013: 5868:Automorphic forms 5851:abelian varieties 5839:symplectic groups 5823:are functions in 5561:{\displaystyle N} 5541:{\displaystyle M} 5521:{\displaystyle N} 5415: 5326:algebro-geometric 5142:{\displaystyle k} 5077: 4958: 4761:is a function on 4745:can be computed. 4690:), respectively. 4520: 4398: 4221:be a subgroup of 4193: 4062:that vanishes at 3983:, and the number 3656: 3515:modular functions 3497:Modular functions 3206:are not similar. 2965: 2751: 2693: 2606: 2476: 2430:to be the sum of 2411:Eisenstein series 2293:analytic function 2089: 1933:{\displaystyle f} 1707: 1541: 1437: 1344: 1119:{\displaystyle k} 1057: 1038:modular varieties 997: 886: 828: 752:and the function 649: 544: 364:{\displaystyle k} 292: 171:automorphic forms 91:analytic function 79: 78: 71: 7581: 7391:Jacobian variety 7361: 7264:Riemann surfaces 7254:Real plane curve 7214:Cramer's paradox 7194:Bézout's theorem 7019: 6968:algebraic curves 6960: 6953: 6946: 6937: 6927: 6884: 6869: 6859: 6837: 6817: 6787: 6765: 6750: 6727: 6726: 6724: 6717: 6712: 6710: 6709: 6704: 6693: 6692: 6672: 6666: 6664: 6662: 6651: 6645: 6643: 6635: 6629: 6627: 6616: 6610: 6609: 6563: 6557: 6555: 6537: 6531: 6530: 6522: 6516: 6515: 6513: 6506: 6497: 6491: 6490: 6478: 6458: 6448: 6446: 6445: 6440: 6438: 6437: 6394: 6388: 6365: 6359: 6358: 6356: 6355: 6341: 6339: 6338: 6333: 6320: 6288:rational numbers 6284:quadratic fields 6265:Robert Langlands 6223: 6216: 6212: 6209: 6203: 6172: 6164: 6151: 6149: 6148: 6143: 6101: 6099: 6098: 6093: 6076: 6075: 6018: 6014: 6012: 5998: 5984: 5965: 5963: 5962: 5957: 5955: 5954: 5886: 5880: 5848: 5816: 5801:but need not be 5783: 5745: 5743: 5742: 5737: 5723: 5722: 5710: 5709: 5685: 5684: 5672: 5671: 5655: 5653: 5652: 5647: 5636: 5635: 5614: 5613: 5597: 5595: 5594: 5589: 5567: 5565: 5564: 5559: 5547: 5545: 5544: 5539: 5527: 5525: 5524: 5519: 5477:Michael Rapoport 5470: 5459: 5457: 5456: 5451: 5440: 5439: 5429: 5392: 5388: 5384: 5376: 5368: 5360: 5304: 5228:projective space 5148: 5146: 5145: 5140: 5124: 5122: 5121: 5116: 5095: 5093: 5092: 5087: 5085: 5084: 5078: 5075: 5065: 5061: 5057: 5040: 5013: 5009: 5005: 4981: 4977: 4973: 4959: 4956: 4949: 4948: 4936: 4935: 4934: 4910: 4902: 4888: 4858: 4828: 4816: 4802: 4780: 4776: 4768: 4756: 4724: 4693:The geometry of 4635: 4612: 4610: 4609: 4604: 4602: 4595: 4591: 4590: 4535: 4521: 4518: 4513: 4512: 4449: 4445: 4444: 4413: 4399: 4396: 4391: 4390: 4334: 4333: 4284: 4251: 4236: 4228: 4220: 4204: 4202: 4201: 4196: 4194: 4192: 4178: 4164: 4150:with respect to 4128: 4117: 4104:). The smallest 4089: 4078: 4068: 4039: 3978: 3976: 3975: 3970: 3968: 3967: 3934: 3932: 3931: 3926: 3921: 3920: 3911: 3910: 3900: 3895: 3846: 3844: 3843: 3838: 3794: 3792: 3791: 3786: 3781: 3780: 3759: 3758: 3748: 3743: 3686: 3684: 3683: 3678: 3661: 3657: 3655: 3641: 3627: 3610: 3604: 3602: 3601: 3596: 3594: 3593: 3542:upper half-plane 3501:When the weight 3472:Weil conjectures 3449: 3442: 3438: 3434: 3414: 3384: 3382: 3381: 3376: 3371: 3370: 3339: 3338: 3319: 3314: 3299: 3298: 3294: 3219: 3205: 3196: 3177: 3175: 3174: 3169: 3155: 3154: 3153: 3152: 3126: 3125: 3124: 3123: 3111: 3110: 3075: 3068: 3061: 3057: 3050: 3044: 3040: 3036: 3022: 3020: 3019: 3014: 3012: 3011: 3007: 3006: 2979: 2952: 2951: 2929: 2925: 2921: 2915: 2900: 2892: 2886: 2878: 2868: 2866: 2865: 2860: 2858: 2842: 2841: 2810: 2809: 2784: 2783: 2774: 2773: 2757: 2753: 2752: 2744: 2734: 2733: 2707: 2705: 2704: 2699: 2694: 2692: 2691: 2690: 2662: 2659: 2658: 2657: 2652: 2593: 2592: 2571: 2570: 2551: 2537: 2533: 2523: 2521: 2520: 2515: 2510: 2509: 2496: 2463: 2462: 2443: 2439: 2435: 2429: 2419: 2395: 2385: 2372: 2364: 2360: 2342: 2338: 2320: 2316: 2312: 2305: 2298: 2290: 2283: 2279: 2275: 2250: 2241:from the set of 2223: 2215: 2190: 2179: 2175: 2167: 2165: 2164: 2159: 2108: 2107: 2095: 2091: 2090: 2082: 2056: 2054: 2053: 2048: 2046: 2045: 2000: 1999: 1939: 1937: 1936: 1931: 1919: 1917: 1916: 1911: 1903: 1886: 1848: 1846: 1845: 1840: 1816: 1805: 1798: 1786: 1773: 1762: 1760: 1759: 1754: 1740: 1739: 1712: 1708: 1706: 1692: 1678: 1660: 1652: 1639: 1629: 1618: 1595:upper half-plane 1592: 1577: 1575: 1574: 1569: 1567: 1563: 1539: 1535: 1506: 1502: 1501: 1452: 1438: 1435: 1420: 1395: 1381:Modular function 1372: 1370: 1369: 1364: 1359: 1351: 1350: 1345: 1342: 1319: 1317: 1316: 1311: 1303: 1295: 1294: 1289: 1280: 1279: 1261: 1260: 1238: 1236: 1235: 1230: 1215: 1213: 1212: 1207: 1196: 1195: 1180: 1179: 1164: 1163: 1151: 1150: 1125: 1123: 1122: 1117: 1105: 1103: 1102: 1097: 1085: 1083: 1082: 1077: 1072: 1064: 1063: 1058: 1055: 1023: 1021: 1020: 1015: 998: 995: 986: 984: 983: 978: 949: 948: 914: 912: 911: 906: 901: 893: 892: 887: 884: 860: 858: 857: 852: 843: 835: 834: 829: 826: 820: 819: 771: 769: 768: 763: 751: 749: 748: 743: 723: 675: 673: 672: 667: 650: 647: 638: 636: 635: 630: 607: 606: 572: 570: 569: 564: 559: 551: 550: 545: 542: 524: 522: 521: 516: 502: 501: 446: 444: 443: 438: 415:upper half-plane 412: 410: 409: 404: 402: 394: 393: 370: 368: 367: 362: 350: 348: 347: 342: 327:arithmetic group 320: 318: 317: 312: 307: 299: 298: 293: 290: 252: 250: 249: 244: 239: 231: 230: 225: 210: 202: 201: 196: 148:complex analysis 122: 120: 119: 114: 111: 110: 95:upper half-plane 74: 67: 63: 60: 54: 34: 33: 26: 7591: 7590: 7584: 7583: 7582: 7580: 7579: 7578: 7554: 7553: 7552: 7543: 7515: 7506:Delta invariant 7477: 7446: 7410: 7371:Abel–Jacobi map 7352: 7326: 7322:Torelli theorem 7292:Dessin d'enfant 7272:Belyi's theorem 7258: 7244:Plücker formula 7175: 7166:Hurwitz surface 7135: 7114: 7048: 7022:Analytic theory 7014:Elliptic curves 7008: 6989:Projective line 6976:Rational curves 6970: 6964: 6892: 6882:Springer-Verlag 6872: 6862: 6857: 6840: 6825: 6797: 6785: 6775:Springer-Verlag 6768: 6763: 6753:Springer-Verlag 6741:Apostol, Tom M. 6739: 6736: 6731: 6730: 6722: 6715: 6713:-Modular Forms" 6684: 6679: 6678: 6674: 6673: 6669: 6660: 6653: 6652: 6648: 6637: 6636: 6632: 6618: 6617: 6613: 6591: 6581:Springer-Verlag 6565: 6564: 6560: 6552: 6539: 6538: 6534: 6524: 6523: 6519: 6511: 6504: 6499: 6498: 6494: 6480: 6479: 6472: 6467: 6462: 6461: 6432: 6431: 6426: 6420: 6419: 6414: 6404: 6398: 6397: 6396:Here, a matrix 6395: 6391: 6366: 6362: 6353: 6351: 6343: 6324: 6323: 6321: 6317: 6312: 6300: 6252:from about 1925 6224: 6213: 6207: 6204: 6189: 6173: 6162: 6107: 6106: 6067: 5999: 5985: 5979: 5971: 5970: 5946: 5896: 5895: 5884: 5878: 5842: 5810: 5777: 5770: 5768:Generalizations 5758: 5752: 5714: 5701: 5676: 5663: 5658: 5657: 5627: 5605: 5600: 5599: 5574: 5573: 5550: 5549: 5530: 5529: 5510: 5509: 5503: 5497: 5492: 5484:Fuchsian groups 5464: 5431: 5395: 5394: 5390: 5386: 5382: 5378: 5374: 5362: 5358: 5357:For a subgroup 5355: 5349: 5302: 5224: 5193: 5131: 5130: 5101: 5100: 5080: 5079: 5072: 5049: 5045: 5042: 5041: 5014: 4997: 4993: 4986: 4954: 4950: 4940: 4925: 4920: 4919: 4915:. For example, 4908: 4895: 4890: 4881: 4876: 4865: 4853:= Γ(1) = SL(2, 4849: 4836: 4826: 4809: 4804: 4795: 4790: 4778: 4774: 4766: 4754: 4751: 4722: 4709:, i.e. subsets 4669: 4658: 4629: 4623: 4600: 4599: 4507: 4506: 4501: 4495: 4494: 4489: 4479: 4477: 4473: 4466: 4451: 4450: 4385: 4384: 4379: 4373: 4372: 4367: 4357: 4355: 4351: 4344: 4325: 4316: 4315: 4299:Riemann surface 4285:(a matrix with 4282: 4265:Hausdorff space 4245: 4234: 4233:. Such a group 4222: 4218: 4215: 4179: 4165: 4152: 4151: 4144: 4123: 4114: 4109: 4080: 4076: 4070: 4069:(equivalently, 4063: 4058:A modular form 4037: 4019:elliptic curves 3959: 3954: 3953: 3912: 3902: 3858: 3857: 3802: 3801: 3760: 3750: 3706: 3705: 3642: 3628: 3622: 3614: 3613: 3608: 3588: 3587: 3582: 3576: 3575: 3570: 3560: 3554: 3553: 3499: 3487:Hecke operators 3479:quadratic forms 3444: 3440: 3436: 3428: 3400: 3353: 3330: 3282: 3262: 3261: 3251: 3215: 3204: 3198: 3195: 3188: 3182: 3144: 3139: 3115: 3102: 3097: 3092: 3091: 3085: 3070: 3067: 3063: 3059: 3052: 3046: 3042: 3038: 3031: 2998: 2981: 2943: 2938: 2937: 2927: 2923: 2917: 2913: 2894: 2888: 2884: 2873: 2856: 2855: 2833: 2826: 2801: 2798: 2797: 2775: 2765: 2758: 2739: 2735: 2725: 2716: 2715: 2682: 2666: 2647: 2584: 2562: 2557: 2556: 2539: 2535: 2532: 2528: 2498: 2454: 2449: 2448: 2441: 2437: 2431: 2426: 2421: 2414: 2402: 2387: 2374: 2370: 2362: 2355: 2340: 2322: 2318: 2314: 2307: 2303: 2296: 2285: 2281: 2280:and a variable 2277: 2260: 2253:complex numbers 2246: 2235: 2221: 2197: 2184: 2177: 2173: 2099: 2077: 2073: 2065: 2064: 2040: 2039: 2034: 2028: 2027: 2022: 2012: 1994: 1993: 1988: 1982: 1981: 1973: 1963: 1951: 1950: 1922: 1921: 1851: 1850: 1819: 1818: 1810: 1803: 1796: 1775: 1767: 1731: 1693: 1679: 1673: 1665: 1664: 1654: 1644: 1635: 1623: 1597: 1586: 1496: 1495: 1490: 1484: 1483: 1478: 1468: 1464: 1463: 1459: 1429: 1428: 1418: 1415: 1410: 1386: 1383: 1340: 1329: 1328: 1284: 1252: 1247: 1246: 1221: 1220: 1187: 1168: 1155: 1142: 1131: 1130: 1108: 1107: 1088: 1087: 1053: 1042: 1041: 1030: 989: 988: 937: 917: 916: 882: 871: 870: 824: 814: 813: 808: 802: 801: 796: 786: 774: 773: 754: 753: 681: 680: 641: 640: 639:is bounded for 595: 575: 574: 540: 529: 528: 493: 449: 448: 423: 422: 377: 376: 353: 352: 333: 332: 288: 277: 276: 273: 217: 188: 183: 182: 99: 98: 89:is a (complex) 75: 64: 58: 55: 47:help improve it 44: 35: 31: 24: 17: 12: 11: 5: 7589: 7588: 7585: 7577: 7576: 7571: 7566: 7556: 7555: 7549: 7548: 7545: 7544: 7542: 7541: 7536: 7531: 7525: 7523: 7521:Vector bundles 7517: 7516: 7514: 7513: 7508: 7503: 7498: 7493: 7487: 7485: 7479: 7478: 7476: 7475: 7470: 7465: 7460: 7454: 7452: 7448: 7447: 7445: 7444: 7439: 7434: 7429: 7424: 7418: 7416: 7412: 7411: 7409: 7408: 7403: 7398: 7393: 7388: 7383: 7378: 7373: 7367: 7365: 7358: 7354: 7353: 7351: 7350: 7345: 7340: 7334: 7332: 7328: 7327: 7325: 7324: 7319: 7314: 7309: 7304: 7299: 7294: 7289: 7284: 7279: 7274: 7268: 7266: 7260: 7259: 7257: 7256: 7251: 7246: 7241: 7236: 7231: 7226: 7221: 7216: 7211: 7206: 7201: 7196: 7191: 7185: 7183: 7177: 7176: 7174: 7173: 7168: 7163: 7158: 7153: 7147: 7145: 7141: 7140: 7137: 7136: 7134: 7133: 7128: 7122: 7120: 7116: 7115: 7113: 7112: 7107: 7102: 7097: 7092: 7087: 7082: 7077: 7072: 7067: 7062: 7056: 7054: 7050: 7049: 7047: 7046: 7041: 7036: 7031: 7025: 7023: 7016: 7010: 7009: 7007: 7006: 7001: 6999:Riemann sphere 6996: 6991: 6986: 6980: 6978: 6972: 6971: 6965: 6963: 6962: 6955: 6948: 6940: 6934: 6933: 6928: 6890: 6870: 6860: 6855: 6838: 6823: 6795: 6784:978-0387232294 6783: 6766: 6761: 6735: 6732: 6729: 6728: 6702: 6699: 6696: 6691: 6687: 6667: 6665:, Theorem 6.1. 6646: 6630: 6611: 6589: 6583:, p. 24, 6558: 6550: 6532: 6517: 6500:Lan, Kai-Wen. 6492: 6469: 6468: 6466: 6463: 6460: 6459: 6436: 6430: 6427: 6425: 6422: 6421: 6418: 6415: 6413: 6410: 6409: 6407: 6389: 6360: 6331: 6314: 6313: 6311: 6308: 6307: 6306: 6299: 6296: 6261: 6260: 6253: 6246: 6239: 6226: 6225: 6176: 6174: 6167: 6161: 6158: 6141: 6138: 6135: 6132: 6129: 6126: 6123: 6120: 6117: 6114: 6103: 6102: 6091: 6088: 6085: 6082: 6079: 6074: 6070: 6066: 6063: 6060: 6057: 6054: 6051: 6048: 6045: 6042: 6039: 6036: 6033: 6030: 6027: 6024: 6021: 6017: 6011: 6008: 6005: 6002: 5997: 5994: 5991: 5988: 5982: 5978: 5953: 5949: 5945: 5942: 5939: 5936: 5933: 5930: 5927: 5924: 5921: 5918: 5915: 5912: 5909: 5906: 5903: 5795:eigenfunctions 5769: 5766: 5754:Main article: 5751: 5748: 5735: 5732: 5729: 5726: 5721: 5717: 5713: 5708: 5704: 5700: 5697: 5694: 5691: 5688: 5683: 5679: 5675: 5670: 5666: 5645: 5642: 5639: 5634: 5630: 5626: 5623: 5620: 5617: 5612: 5608: 5587: 5584: 5581: 5557: 5537: 5517: 5499:Main article: 5496: 5493: 5491: 5488: 5473:Pierre Deligne 5449: 5446: 5443: 5438: 5434: 5428: 5425: 5422: 5418: 5414: 5411: 5408: 5405: 5402: 5380: 5351:Main article: 5348: 5345: 5290:) =  5258:) =  5223: 5220: 5191: 5138: 5127:floor function 5114: 5111: 5108: 5097: 5096: 5083: 5073: 5071: 5068: 5064: 5060: 5056: 5052: 5048: 5044: 5043: 5039: 5036: 5032: 5029: 5024: 5021: 5018: 5015: 5012: 5008: 5004: 5000: 4996: 4992: 4991: 4989: 4984: 4980: 4976: 4972: 4968: 4965: 4962: 4953: 4947: 4943: 4939: 4933: 4928: 4893: 4879: 4864: 4861: 4834: 4807: 4793: 4750: 4747: 4667: 4656: 4621: 4614: 4613: 4598: 4594: 4589: 4586: 4582: 4579: 4574: 4571: 4568: 4565: 4562: 4559: 4556: 4553: 4550: 4547: 4544: 4541: 4538: 4534: 4530: 4527: 4524: 4516: 4511: 4505: 4502: 4500: 4497: 4496: 4493: 4490: 4488: 4485: 4484: 4482: 4476: 4472: 4469: 4467: 4465: 4462: 4459: 4456: 4453: 4452: 4448: 4443: 4440: 4436: 4433: 4428: 4425: 4422: 4419: 4416: 4412: 4408: 4405: 4402: 4394: 4389: 4383: 4380: 4378: 4375: 4374: 4371: 4368: 4366: 4363: 4362: 4360: 4354: 4350: 4347: 4345: 4343: 4340: 4337: 4332: 4328: 4324: 4323: 4214: 4207: 4191: 4188: 4185: 4182: 4177: 4174: 4171: 4168: 4162: 4159: 4143: 4140: 4112: 4090:) is called a 4074: 4023:elliptic curve 3966: 3962: 3944:-expansion of 3938: 3937: 3936: 3935: 3924: 3919: 3915: 3909: 3905: 3899: 3894: 3891: 3888: 3885: 3881: 3877: 3874: 3871: 3868: 3865: 3836: 3833: 3830: 3827: 3824: 3821: 3818: 3815: 3812: 3809: 3798: 3797: 3796: 3795: 3784: 3779: 3776: 3773: 3770: 3767: 3763: 3757: 3753: 3747: 3742: 3739: 3736: 3733: 3729: 3725: 3722: 3719: 3716: 3713: 3700: 3699: 3696:Fourier series 3688: 3676: 3673: 3670: 3667: 3664: 3660: 3654: 3651: 3648: 3645: 3640: 3637: 3634: 3631: 3625: 3621: 3607:modular group 3592: 3586: 3583: 3581: 3578: 3577: 3574: 3571: 3569: 3566: 3565: 3563: 3547: 3498: 3495: 3468:Pierre Deligne 3439:for any prime 3386: 3385: 3374: 3369: 3366: 3363: 3360: 3356: 3352: 3349: 3345: 3342: 3337: 3333: 3329: 3326: 3323: 3318: 3313: 3310: 3307: 3303: 3297: 3293: 3289: 3285: 3281: 3278: 3275: 3272: 3269: 3257:is defined as 3202: 3193: 3186: 3179: 3178: 3167: 3164: 3161: 3158: 3151: 3147: 3142: 3138: 3135: 3132: 3129: 3122: 3118: 3114: 3109: 3105: 3100: 3083: 3065: 3024: 3023: 3010: 3005: 3001: 2997: 2994: 2991: 2988: 2984: 2978: 2975: 2972: 2968: 2964: 2961: 2958: 2955: 2950: 2946: 2932:theta function 2879:is needed for 2872:The condition 2870: 2869: 2854: 2851: 2848: 2845: 2840: 2836: 2832: 2829: 2827: 2825: 2822: 2819: 2816: 2813: 2808: 2804: 2800: 2799: 2796: 2793: 2790: 2787: 2782: 2778: 2772: 2768: 2764: 2761: 2759: 2756: 2750: 2747: 2742: 2738: 2732: 2728: 2724: 2723: 2709: 2708: 2697: 2689: 2685: 2681: 2678: 2675: 2672: 2669: 2665: 2656: 2651: 2646: 2643: 2640: 2637: 2634: 2631: 2628: 2625: 2622: 2619: 2616: 2613: 2609: 2605: 2602: 2599: 2596: 2591: 2587: 2583: 2580: 2577: 2574: 2569: 2565: 2530: 2525: 2524: 2513: 2508: 2505: 2501: 2495: 2492: 2489: 2486: 2483: 2479: 2475: 2472: 2469: 2466: 2461: 2457: 2424: 2401: 2398: 2367: 2366: 2352:absolute value 2348: 2300: 2251:to the set of 2234: 2231: 2230: 2229: 2226:Fourier series 2220:, with period 2206:+ 1) =   2193: 2192: 2170: 2169: 2168: 2157: 2154: 2151: 2148: 2145: 2142: 2139: 2136: 2133: 2130: 2127: 2123: 2120: 2117: 2114: 2111: 2106: 2102: 2098: 2094: 2088: 2085: 2080: 2076: 2072: 2059: 2058: 2057: 2044: 2038: 2035: 2033: 2030: 2029: 2026: 2023: 2021: 2018: 2017: 2015: 2010: 2007: 2003: 1998: 1992: 1989: 1987: 1984: 1983: 1980: 1977: 1974: 1972: 1969: 1968: 1966: 1961: 1958: 1945: 1944: 1941: 1929: 1909: 1906: 1902: 1898: 1895: 1892: 1889: 1885: 1880: 1876: 1873: 1870: 1867: 1864: 1861: 1858: 1838: 1835: 1832: 1829: 1826: 1807: 1800: 1789: 1788: 1765: 1764: 1763: 1752: 1749: 1746: 1743: 1738: 1734: 1730: 1727: 1724: 1721: 1718: 1715: 1711: 1705: 1702: 1699: 1696: 1691: 1688: 1685: 1682: 1676: 1672: 1641: 1583:complex-valued 1579: 1578: 1566: 1562: 1559: 1556: 1553: 1550: 1547: 1544: 1538: 1534: 1530: 1527: 1524: 1521: 1518: 1515: 1512: 1509: 1505: 1500: 1494: 1491: 1489: 1486: 1485: 1482: 1479: 1477: 1474: 1473: 1471: 1466: 1462: 1458: 1455: 1451: 1447: 1444: 1441: 1414: 1411: 1409: 1406: 1382: 1379: 1362: 1358: 1354: 1349: 1339: 1336: 1309: 1306: 1302: 1298: 1293: 1288: 1283: 1278: 1273: 1270: 1267: 1264: 1259: 1255: 1228: 1205: 1202: 1199: 1194: 1190: 1186: 1183: 1178: 1175: 1171: 1167: 1162: 1158: 1154: 1149: 1145: 1141: 1138: 1115: 1095: 1075: 1071: 1067: 1062: 1052: 1049: 1029: 1026: 1025: 1024: 1013: 1010: 1007: 1004: 1001: 976: 973: 970: 967: 964: 961: 958: 955: 952: 947: 944: 940: 936: 933: 930: 927: 924: 904: 900: 896: 891: 881: 878: 849: 846: 842: 838: 833: 823: 818: 812: 809: 807: 804: 803: 800: 797: 795: 792: 791: 789: 784: 781: 761: 741: 738: 735: 732: 729: 726: 722: 718: 715: 712: 709: 706: 703: 700: 697: 694: 691: 688: 677: 676: 665: 662: 659: 656: 653: 628: 625: 622: 619: 616: 613: 610: 605: 602: 598: 594: 591: 588: 585: 582: 562: 558: 554: 549: 539: 536: 525: 514: 511: 508: 505: 500: 496: 492: 489: 486: 483: 480: 477: 474: 471: 468: 465: 462: 459: 456: 436: 433: 430: 401: 397: 392: 387: 384: 360: 340: 310: 306: 302: 297: 287: 284: 272: 269: 242: 238: 234: 229: 224: 221: 216: 213: 209: 205: 200: 195: 192: 160:sphere packing 144: 143: 140: 109: 77: 76: 38: 36: 29: 15: 13: 10: 9: 6: 4: 3: 2: 7587: 7586: 7575: 7572: 7570: 7567: 7565: 7564:Modular forms 7562: 7561: 7559: 7540: 7537: 7535: 7532: 7530: 7527: 7526: 7524: 7522: 7518: 7512: 7509: 7507: 7504: 7502: 7499: 7497: 7494: 7492: 7489: 7488: 7486: 7484: 7483:Singularities 7480: 7474: 7471: 7469: 7466: 7464: 7461: 7459: 7456: 7455: 7453: 7449: 7443: 7440: 7438: 7435: 7433: 7430: 7428: 7425: 7423: 7420: 7419: 7417: 7413: 7407: 7404: 7402: 7399: 7397: 7394: 7392: 7389: 7387: 7384: 7382: 7379: 7377: 7374: 7372: 7369: 7368: 7366: 7362: 7359: 7355: 7349: 7346: 7344: 7341: 7339: 7336: 7335: 7333: 7331:Constructions 7329: 7323: 7320: 7318: 7315: 7313: 7310: 7308: 7305: 7303: 7302:Klein quartic 7300: 7298: 7295: 7293: 7290: 7288: 7285: 7283: 7282:Bolza surface 7280: 7278: 7277:Bring's curve 7275: 7273: 7270: 7269: 7267: 7265: 7261: 7255: 7252: 7250: 7247: 7245: 7242: 7240: 7237: 7235: 7232: 7230: 7227: 7225: 7222: 7220: 7217: 7215: 7212: 7210: 7209:Conic section 7207: 7205: 7202: 7200: 7197: 7195: 7192: 7190: 7189:AF+BG theorem 7187: 7186: 7184: 7182: 7178: 7172: 7169: 7167: 7164: 7162: 7159: 7157: 7154: 7152: 7149: 7148: 7146: 7142: 7132: 7129: 7127: 7124: 7123: 7121: 7117: 7111: 7108: 7106: 7103: 7101: 7098: 7096: 7093: 7091: 7088: 7086: 7083: 7081: 7078: 7076: 7073: 7071: 7068: 7066: 7063: 7061: 7058: 7057: 7055: 7051: 7045: 7042: 7040: 7037: 7035: 7032: 7030: 7027: 7026: 7024: 7020: 7017: 7015: 7011: 7005: 7004:Twisted cubic 7002: 7000: 6997: 6995: 6992: 6990: 6987: 6985: 6982: 6981: 6979: 6977: 6973: 6969: 6961: 6956: 6954: 6949: 6947: 6942: 6941: 6938: 6932: 6929: 6926: 6922: 6918: 6914: 6910: 6906: 6902: 6901: 6896: 6891: 6888: 6883: 6879: 6875: 6871: 6868: 6867: 6861: 6858: 6856:0-521-21212-X 6852: 6848: 6845:, Cambridge: 6844: 6839: 6836: 6833:, Göttingen: 6832: 6828: 6824: 6821: 6816: 6812: 6808: 6804: 6800: 6796: 6793: 6792: 6786: 6780: 6776: 6772: 6767: 6764: 6762:0-387-97127-0 6758: 6754: 6749: 6748: 6742: 6738: 6737: 6733: 6721: 6714: 6697: 6689: 6671: 6668: 6659: 6658: 6650: 6647: 6641: 6634: 6631: 6626: 6622: 6615: 6612: 6608: 6604: 6600: 6596: 6592: 6586: 6582: 6578: 6577: 6576:Modular units 6572: 6568: 6562: 6559: 6553: 6551:3-540-15295-4 6547: 6543: 6536: 6533: 6529:. p. 51. 6528: 6521: 6518: 6510: 6503: 6496: 6493: 6488: 6484: 6477: 6475: 6471: 6464: 6456: 6452: 6434: 6428: 6423: 6416: 6411: 6405: 6393: 6390: 6386: 6382: 6378: 6374: 6370: 6364: 6361: 6350: 6349:dlmf.nist.gov 6346: 6329: 6319: 6316: 6309: 6305: 6302: 6301: 6297: 6295: 6293: 6289: 6285: 6281: 6277: 6272: 6270: 6266: 6258: 6254: 6251: 6247: 6244: 6240: 6237: 6233: 6232: 6231: 6222: 6219: 6211: 6201: 6197: 6193: 6187: 6186: 6182: 6177:This section 6175: 6171: 6166: 6165: 6159: 6157: 6155: 6136: 6133: 6130: 6127: 6124: 6121: 6118: 6112: 6105:The function 6089: 6083: 6077: 6072: 6064: 6061: 6058: 6055: 6046: 6043: 6040: 6037: 6034: 6031: 6028: 6022: 6019: 6015: 6009: 6006: 6003: 6000: 5995: 5992: 5989: 5986: 5980: 5976: 5969: 5968: 5967: 5951: 5943: 5940: 5937: 5934: 5925: 5922: 5919: 5916: 5913: 5910: 5907: 5901: 5893: 5889: 5887: 5875: 5873: 5869: 5865: 5862: 5858: 5856: 5852: 5846: 5840: 5836: 5832: 5830: 5826: 5822: 5818: 5814: 5808: 5804: 5800: 5796: 5793: 5792:real-analytic 5789: 5785: 5781: 5775: 5774:Haar measures 5767: 5765: 5763: 5757: 5749: 5747: 5727: 5719: 5706: 5702: 5698: 5689: 5681: 5668: 5664: 5640: 5632: 5624: 5618: 5610: 5585: 5582: 5579: 5571: 5555: 5535: 5515: 5507: 5502: 5494: 5489: 5487: 5485: 5480: 5478: 5474: 5468: 5461: 5436: 5432: 5426: 5423: 5420: 5416: 5412: 5400: 5372: 5366: 5354: 5346: 5344: 5341: 5339: 5335: 5331: 5327: 5323: 5318: 5316: 5312: 5308: 5300: 5296: 5293: 5289: 5285: 5281: 5277: 5273: 5269: 5265: 5261: 5257: 5253: 5249: 5245: 5241: 5237: 5233: 5229: 5221: 5219: 5217: 5213: 5209: 5205: 5201: 5197: 5190: 5187: 5183: 5179: 5175: 5171: 5167: 5163: 5159: 5155: 5150: 5136: 5128: 5109: 5069: 5066: 5062: 5058: 5054: 5050: 5046: 5034: 5030: 5022: 5019: 5016: 5010: 5006: 5002: 4998: 4994: 4987: 4982: 4978: 4966: 4963: 4951: 4945: 4941: 4937: 4926: 4918: 4917: 4916: 4914: 4906: 4900: 4896: 4886: 4882: 4874: 4870: 4862: 4860: 4856: 4852: 4847: 4844: 4840: 4832: 4824: 4820: 4814: 4810: 4800: 4796: 4788: 4784: 4772: 4764: 4760: 4748: 4746: 4744: 4740: 4736: 4732: 4728: 4720: 4716: 4712: 4708: 4704: 4700: 4696: 4691: 4689: 4685: 4681: 4677: 4673: 4666: 4662: 4655: 4651: 4647: 4643: 4639: 4636:, the spaces 4633: 4627: 4619: 4596: 4592: 4584: 4580: 4572: 4569: 4566: 4563: 4560: 4557: 4554: 4551: 4548: 4545: 4542: 4539: 4528: 4525: 4514: 4509: 4503: 4498: 4491: 4486: 4480: 4474: 4470: 4468: 4460: 4446: 4438: 4434: 4426: 4423: 4420: 4417: 4406: 4403: 4392: 4387: 4381: 4376: 4369: 4364: 4358: 4352: 4348: 4346: 4338: 4330: 4314: 4313: 4312: 4311: 4307: 4302: 4300: 4296: 4292: 4288: 4280: 4279: 4274: 4270: 4266: 4262: 4258: 4255: 4249: 4243: 4239: 4232: 4226: 4212: 4208: 4206: 4189: 4186: 4183: 4180: 4175: 4172: 4169: 4166: 4157: 4149: 4141: 4139: 4137: 4136: 4130: 4126: 4121: 4115: 4107: 4103: 4099: 4095: 4094: 4087: 4083: 4073: 4066: 4061: 4056: 4054: 4050: 4046: 4043: 4035: 4031: 4027: 4024: 4020: 4015: 4013: 4009: 4004: 4002: 3998: 3994: 3990: 3986: 3982: 3964: 3960: 3951: 3947: 3943: 3922: 3917: 3913: 3907: 3903: 3892: 3889: 3886: 3883: 3879: 3875: 3869: 3863: 3856: 3855: 3854: 3853: 3852: 3850: 3831: 3828: 3825: 3822: 3816: 3813: 3810: 3807: 3782: 3777: 3774: 3771: 3768: 3765: 3761: 3755: 3751: 3740: 3737: 3734: 3731: 3727: 3723: 3717: 3711: 3704: 3703: 3702: 3701: 3697: 3693: 3689: 3671: 3665: 3662: 3658: 3652: 3649: 3646: 3643: 3638: 3635: 3632: 3629: 3623: 3619: 3611: 3590: 3584: 3579: 3572: 3567: 3561: 3552: 3548: 3546: 3543: 3539: 3535: 3532: 3531: 3530: 3528: 3524: 3520: 3517:. A function 3516: 3512: 3508: 3504: 3496: 3494: 3492: 3488: 3484: 3480: 3475: 3473: 3469: 3465: 3461: 3457: 3453: 3448: 3432: 3426: 3422: 3418: 3417:Leech lattice 3412: 3408: 3404: 3399: 3395: 3391: 3372: 3367: 3364: 3361: 3358: 3354: 3350: 3347: 3343: 3335: 3331: 3327: 3324: 3311: 3308: 3305: 3301: 3295: 3291: 3287: 3283: 3279: 3273: 3267: 3260: 3259: 3258: 3256: 3250: 3245: 3244: 3240: 3238: 3234: 3230: 3226: 3223: 3218: 3213: 3209: 3201: 3192: 3185: 3165: 3159: 3149: 3145: 3140: 3136: 3130: 3120: 3116: 3112: 3107: 3103: 3098: 3090: 3089: 3088: 3086: 3079: 3073: 3056: 3049: 3034: 3029: 3008: 3003: 2995: 2989: 2986: 2982: 2976: 2973: 2970: 2966: 2962: 2956: 2948: 2944: 2936: 2935: 2934: 2933: 2920: 2912: 2907: 2906: 2902: 2898: 2891: 2882: 2876: 2852: 2846: 2838: 2834: 2830: 2828: 2820: 2817: 2814: 2806: 2802: 2794: 2788: 2780: 2776: 2770: 2766: 2762: 2760: 2754: 2748: 2745: 2740: 2736: 2730: 2726: 2714: 2713: 2712: 2695: 2687: 2679: 2676: 2673: 2670: 2663: 2654: 2644: 2638: 2635: 2632: 2626: 2620: 2617: 2614: 2607: 2603: 2597: 2589: 2585: 2581: 2567: 2563: 2555: 2554: 2553: 2550: 2547: 2543: 2511: 2506: 2503: 2499: 2490: 2487: 2484: 2481: 2477: 2473: 2459: 2455: 2447: 2446: 2445: 2434: 2427: 2417: 2412: 2407: 2406: 2399: 2397: 2394: 2390: 2384: 2381: 2377: 2358: 2353: 2349: 2346: 2336: 2333: 2329: 2325: 2310: 2301: 2294: 2288: 2274: 2271: 2267: 2264: 2258: 2257: 2256: 2254: 2249: 2244: 2240: 2232: 2227: 2219: 2213: 2209: 2205: 2201: 2195: 2194: 2188: 2182: 2171: 2152: 2146: 2143: 2137: 2134: 2131: 2125: 2121: 2115: 2109: 2104: 2100: 2096: 2092: 2086: 2083: 2078: 2074: 2070: 2063: 2062: 2060: 2042: 2036: 2031: 2024: 2019: 2013: 2008: 2005: 2001: 1996: 1990: 1985: 1978: 1975: 1970: 1964: 1959: 1956: 1949: 1948: 1947: 1946: 1942: 1927: 1907: 1904: 1893: 1887: 1874: 1871: 1865: 1859: 1856: 1836: 1833: 1830: 1827: 1824: 1814: 1808: 1801: 1794: 1793: 1792: 1784: 1783: 1778: 1771: 1766: 1747: 1741: 1736: 1728: 1725: 1722: 1719: 1713: 1709: 1703: 1700: 1697: 1694: 1689: 1686: 1683: 1680: 1674: 1670: 1663: 1662: 1658: 1651: 1647: 1642: 1638: 1633: 1627: 1622: 1621: 1620: 1616: 1612: 1608: 1604: 1600: 1596: 1590: 1584: 1564: 1560: 1557: 1554: 1551: 1548: 1545: 1542: 1536: 1528: 1525: 1522: 1519: 1516: 1513: 1510: 1507: 1503: 1498: 1492: 1487: 1480: 1475: 1469: 1460: 1456: 1445: 1442: 1427: 1426: 1425: 1424: 1423:modular group 1412: 1407: 1405: 1403: 1399: 1393: 1389: 1380: 1378: 1376: 1347: 1337: 1326: 1320: 1291: 1281: 1262: 1253: 1243: 1242: 1241:modular curve 1226: 1216: 1192: 1188: 1184: 1176: 1173: 1169: 1165: 1156: 1147: 1143: 1139: 1136: 1127: 1113: 1060: 1050: 1039: 1035: 1027: 1002: 974: 962: 956: 950: 945: 942: 934: 931: 928: 925: 915:the function 889: 879: 876: 868: 867: 866: 864: 847: 831: 821: 816: 810: 805: 798: 793: 787: 782: 779: 759: 736: 733: 730: 727: 720: 713: 710: 707: 704: 698: 692: 686: 654: 620: 614: 608: 603: 600: 592: 589: 586: 583: 573:the function 547: 537: 534: 526: 509: 503: 498: 490: 487: 484: 481: 475: 466: 460: 454: 431: 428: 420: 419: 418: 416: 385: 382: 375: 371: 358: 328: 324: 295: 285: 270: 268: 266: 261: 259: 254: 227: 214: 198: 180: 176: 172: 167: 165: 164:string theory 161: 157: 153: 152:number theory 149: 141: 138: 137:modular group 134: 130: 126: 125: 124: 96: 92: 88: 84: 73: 70: 62: 59:February 2024 52: 48: 42: 39:This article 37: 28: 27: 22: 7468:Prym variety 7442:Stable curve 7432:Hodge bundle 7422:ELSV formula 7224:Fermat curve 7181:Plane curves 7144:Higher genus 7119:Applications 7044:Modular form 7043: 6904: 6898: 6886: 6877: 6865: 6842: 6830: 6827:Hecke, Erich 6819: 6802: 6788: 6770: 6751:, New York: 6746: 6670: 6663:, p. 88 6656: 6649: 6639: 6633: 6620: 6614: 6575: 6561: 6541: 6535: 6520: 6495: 6486: 6454: 6450: 6392: 6384: 6376: 6363: 6352:. Retrieved 6348: 6318: 6276:Andrew Wiles 6273: 6262: 6229: 6214: 6208:October 2019 6205: 6190:Please help 6178: 6104: 5890: 5882: 5876: 5866: 5861:Jacobi forms 5859: 5854: 5844: 5833: 5824: 5819: 5812: 5786: 5779: 5771: 5759: 5569: 5504: 5481: 5466: 5462: 5364: 5356: 5342: 5329: 5321: 5319: 5314: 5310: 5306: 5298: 5294: 5291: 5287: 5283: 5279: 5271: 5267: 5263: 5259: 5255: 5251: 5247: 5243: 5239: 5235: 5231: 5225: 5222:Line bundles 5215: 5211: 5207: 5203: 5199: 5195: 5188: 5177: 5169: 5165: 5161: 5151: 5125:denotes the 5098: 4912: 4898: 4891: 4884: 4877: 4872: 4868: 4866: 4863:Consequences 4854: 4850: 4845: 4842: 4838: 4830: 4822: 4818: 4812: 4805: 4798: 4791: 4789:are denoted 4786: 4782: 4770: 4762: 4758: 4752: 4742: 4738: 4730: 4726: 4718: 4714: 4710: 4706: 4698: 4694: 4692: 4687: 4683: 4679: 4675: 4671: 4664: 4660: 4653: 4652:are denoted 4649: 4645: 4641: 4637: 4631: 4625: 4617: 4615: 4305: 4303: 4294: 4290: 4276: 4272: 4268: 4260: 4256: 4247: 4241: 4224: 4216: 4210: 4147: 4145: 4135:modular unit 4133: 4131: 4124: 4119: 4110: 4105: 4097: 4091: 4085: 4081: 4071: 4064: 4059: 4057: 4053:moduli space 4048: 4044: 4029: 4025: 4016: 4011: 4007: 4005: 4000: 3996: 3992: 3988: 3984: 3980: 3945: 3941: 3939: 3799: 3691: 3544: 3540:in the open 3533: 3526: 3522: 3518: 3514: 3510: 3502: 3500: 3476: 3446: 3430: 3410: 3406: 3402: 3389: 3387: 3252: 3242: 3241: 3216: 3199: 3190: 3183: 3180: 3071: 3054: 3047: 3032: 3025: 2918: 2908: 2904: 2903: 2896: 2889: 2874: 2871: 2710: 2548: 2545: 2541: 2526: 2432: 2422: 2420:, we define 2415: 2408: 2404: 2403: 2392: 2388: 2382: 2379: 2375: 2368: 2356: 2347:of the form. 2344: 2334: 2331: 2327: 2323: 2308: 2286: 2272: 2269: 2265: 2262: 2247: 2238: 2236: 2211: 2207: 2203: 2199: 2186: 1812: 1790: 1781: 1776: 1769: 1656: 1649: 1645: 1636: 1625: 1614: 1606: 1602: 1598: 1588: 1580: 1416: 1391: 1387: 1384: 1322: 1245: 1218: 1129: 1031: 862: 678: 330: 325:, called an 323:finite index 274: 262: 255: 168: 145: 133:group action 87:modular form 86: 80: 65: 56: 40: 21:Haar measure 7343:Polar curve 6571:Lang, Serge 6449:sends ∞ to 6369:meromorphic 6342:, see e.g. 6292:square root 6250:Erich Hecke 6243:Felix Klein 5803:holomorphic 5788:Maass forms 5371:graded ring 5338:line bundle 5276:homogeneous 4911:-action on 4725:-action on 4098:Spitzenform 4042:j-invariant 3538:meromorphic 3396:. Then the 3229:isospectral 3208:John Milnor 3078:root system 2881:convergence 1795:The weight 1402:meromorphic 1398:holomorphic 1106:and weight 1034:line bundle 351:and weight 258:Erich Hecke 83:mathematics 7558:Categories 7338:Dual curve 6966:Topics in 6895:Zagier, D. 6734:References 6607:0492.12002 6354:2023-07-07 5872:Lie groups 5750:Cusp forms 5282:, letting 5160:one (over 4829:. In case 4757:of weight 4749:Definition 4717:such that 4275:, i.e. in 4108:such that 4034:isomorphic 3227:which are 3051:such that 2883:; for odd 1920:, meaning 1849:such that 1791:Remarks: 1617:) > 0}, 271:Definition 175:Lie groups 127:a kind of 7451:Morphisms 7199:Bitangent 6686:Γ 6465:Citations 6383:as exp(1/ 6330:γ 6290:with the 6179:does not 6113:ε 6023:ε 5902:ε 5799:Laplacian 5762:cusp form 5756:Cusp form 5716:Γ 5699:⊆ 5678:Γ 5629:Γ 5625:⊆ 5607:Γ 5583:∣ 5570:old forms 5548:dividing 5506:New forms 5495:New forms 5445:Γ 5417:⨁ 5407:Γ 5149:is even. 5113:⌋ 5110:⋅ 5107:⌊ 5076:otherwise 5020:≡ 4938:⁡ 4570:≡ 4564:≡ 4552:≡ 4546:≡ 4515:∈ 4455:Γ 4424:≡ 4393:∈ 4327:Γ 4161:↦ 4093:cusp form 3898:∞ 3890:− 3880:∑ 3826:π 3817:⁡ 3772:π 3746:∞ 3738:− 3728:∑ 3425:Ramanujan 3405:) = (2π) 3362:π 3328:− 3317:∞ 3302:∏ 3268:η 3233:isometric 3141:ϑ 3113:× 3099:ϑ 3000:‖ 2996:λ 2993:‖ 2987:π 2974:∈ 2971:λ 2967:∑ 2945:ϑ 2847:τ 2815:τ 2789:τ 2767:τ 2749:τ 2741:− 2680:τ 2645:∈ 2627:≠ 2608:∑ 2598:τ 2576:Λ 2504:− 2500:λ 2494:Λ 2491:∈ 2488:λ 2485:≠ 2478:∑ 2468:Λ 2079:− 1976:− 1879:⟹ 1860:⁡ 1585:function 1549:− 1529:∈ 1335:Γ 1282:∪ 1269:∖ 1266:Γ 1258:Γ 1227:ω 1201:Γ 1174:⊗ 1170:ω 1161:Γ 1140:∈ 1094:Γ 1051:⊂ 1048:Γ 1012:∞ 1009:→ 972:→ 957:γ 943:− 880:∈ 877:γ 863:cusp form 822:∈ 780:γ 760:γ 687:γ 664:∞ 661:→ 615:γ 601:− 538:∈ 535:γ 461:γ 435:Γ 432:∈ 429:γ 413:from the 396:→ 339:Γ 286:⊂ 283:Γ 215:⊂ 6909:Springer 6876:(1973), 6829:(1970), 6801:(1975), 6743:(1990), 6720:Archived 6573:(1981), 6509:Archived 6298:See also 6274:In 1994 5330:sections 5063:⌋ 5047:⌊ 5011:⌋ 4995:⌊ 4028:/Λ over 3521: : 3481:and the 3231:but not 2552:we have 2400:Examples 2386:, where 2243:lattices 2210: ( 2202: ( 2181:generate 1802:For odd 1643:For any 1421:for the 1390: ( 7511:Tacnode 7496:Crunode 6913:Bibcode 6911:: 113, 6815:0379375 6628:, p. 13 6599:0648603 6525:Milne. 6200:removed 6185:sources 6160:History 5797:of the 5361:of the 5184:of the 5182:closure 5180:in the 3851:), as: 3605:in the 3456:Shimura 3452:Eichler 3222:compact 3080:called 3069:. When 2321:, then 2284:, then 2198:  1815:  1811:  1772:  1768:  1628:  1624:  1593:on the 1591:  1587:  135:of the 93:on the 45:Please 7491:Acnode 7415:Moduli 6853:  6813:  6781:  6759:  6605:  6597:  6587:  6548:  6487:Quanta 6387:) has. 5843:SL(2, 5811:SL(2, 5465:SL(2, 5363:SL(2, 5210:) and 5099:where 4848:. For 4781:. The 4674:) and 4663:) and 4252:. The 4246:SL(2, 4223:SL(2, 4102:German 3551:matrix 3466:, and 3388:where 2877:> 2 2538:. For 2418:> 2 2345:weight 2339:where 2291:is an 2196:Since 2185:SL(2, 2061:reads 1655:SL(2, 1540:  1219:where 1040:. For 679:where 162:, and 6723:(PDF) 6716:(PDF) 6661:(PDF) 6556:p. 15 6512:(PDF) 6505:(PDF) 6310:Notes 5598:then 5490:Types 5334:sheaf 5332:of a 5174:poles 4843:level 4735:genus 4628:) or 4287:trace 4269:cusps 4231:index 3464:Ihara 3235:(see 2527:Then 2330:Λ) = 1630:is a 1581:is a 372:is a 7501:Cusp 6851:ISBN 6779:ISBN 6757:ISBN 6585:ISBN 6546:ISBN 6373:pole 6183:any 6181:cite 5790:are 5475:and 5424:> 5129:and 4889:and 4803:and 4705:for 4644:and 4616:For 4238:acts 4217:Let 3849:nome 3460:Kuga 3394:nome 3253:The 3212:tori 3197:and 2893:and 2711:and 2540:Λ = 2350:The 2261:Λ = 2176:and 1905:< 1872:> 1834:> 329:, a 85:, a 6921:doi 6603:Zbl 6375:at 6248:By 6241:By 6194:by 5383:(Γ) 5317:). 5218:). 5176:of 5031:mod 4927:dim 4833:= Γ 4737:of 4682:), 4620:= Γ 4581:mod 4435:mod 4240:on 4122:at 4116:≠ 0 4100:in 4077:= 0 4067:= 0 3814:exp 3536:is 3445:≤ 2 3423:of 3239:.) 3074:= 8 3045:in 2916:in 2909:An 2440:of 2428:(Λ) 2359:(Λ) 2354:of 2337:(Λ) 2317:by 2302:If 2295:of 2289:(Λ) 2245:in 1634:on 1601:= { 1396:be 1036:on 987:as 321:of 81:In 49:to 7560:: 6919:, 6907:, 6905:94 6903:, 6885:. 6849:, 6818:. 6811:MR 6809:, 6777:, 6755:, 6718:. 6601:, 6595:MR 6593:, 6569:; 6507:. 6485:. 6473:^ 6367:A 6347:. 5874:. 5831:. 5778:Δ( 5760:A 5746:. 5486:. 5460:. 5288:cv 5256:cv 5230:P( 5216:Nz 5059:12 5035:12 5007:12 4957:SL 4713:⊂ 4630:Γ( 4519:SL 4397:SL 4213:\H 4132:A 4129:. 4084:= 3612:, 3525:→ 3493:. 3462:, 3458:, 3454:, 3429:Δ( 3401:Δ( 3296:24 3203:16 3189:× 3150:16 3035:/2 2895:(− 2544:+ 2444:: 2396:. 2391:∈ 2378:+ 2268:+ 1857:Im 1779:→ 1648:∈ 1611:Im 1609:, 1605:∈ 1436:SL 1377:. 1343:SL 1056:SL 996:im 885:SL 827:SL 648:im 543:SL 291:SL 267:. 260:. 253:. 166:. 158:, 97:, 6959:e 6952:t 6945:v 6923:: 6915:: 6889:. 6822:. 6794:. 6701:) 6698:N 6695:( 6690:1 6554:. 6489:. 6457:. 6455:c 6453:/ 6451:a 6435:) 6429:d 6424:c 6417:b 6412:a 6406:( 6385:q 6377:q 6357:. 6221:) 6215:( 6210:) 6206:( 6202:. 6188:. 6140:) 6137:d 6134:, 6131:c 6128:, 6125:b 6122:, 6119:a 6116:( 6090:. 6087:) 6084:z 6081:( 6078:f 6073:k 6069:) 6065:d 6062:+ 6059:z 6056:c 6053:( 6050:) 6047:d 6044:, 6041:c 6038:, 6035:b 6032:, 6029:a 6026:( 6020:= 6016:) 6010:d 6007:+ 6004:z 6001:c 5996:b 5993:+ 5990:z 5987:a 5981:( 5977:f 5952:k 5948:) 5944:d 5941:+ 5938:z 5935:c 5932:( 5929:) 5926:d 5923:, 5920:c 5917:, 5914:b 5911:, 5908:a 5905:( 5885:k 5879:k 5847:) 5845:R 5825:n 5815:) 5813:Z 5782:) 5780:g 5734:) 5731:) 5728:N 5725:( 5720:1 5712:( 5707:k 5703:M 5696:) 5693:) 5690:M 5687:( 5682:1 5674:( 5669:k 5665:M 5644:) 5641:M 5638:( 5633:1 5622:) 5619:N 5616:( 5611:1 5586:N 5580:M 5556:N 5536:M 5516:N 5469:) 5467:Z 5448:) 5442:( 5437:k 5433:M 5427:0 5421:k 5413:= 5410:) 5404:( 5401:M 5391:Γ 5387:k 5381:k 5379:M 5375:Γ 5367:) 5365:Z 5359:Γ 5322:V 5315:V 5311:k 5307:k 5303:k 5299:v 5297:( 5295:F 5292:c 5286:( 5284:F 5280:c 5272:F 5268:c 5264:v 5262:( 5260:F 5254:( 5252:F 5248:V 5244:v 5240:V 5236:F 5232:V 5214:( 5212:j 5208:z 5206:( 5204:j 5200:N 5198:( 5196:N 5192:Γ 5189:R 5178:f 5170:f 5166:f 5162:C 5137:k 5070:1 5067:+ 5055:/ 5051:k 5038:) 5028:( 5023:2 5017:k 5003:/ 4999:k 4988:{ 4983:= 4979:) 4975:) 4971:Z 4967:, 4964:2 4961:( 4952:( 4946:k 4942:M 4932:C 4913:H 4909:G 4901:) 4899:G 4897:( 4894:k 4892:S 4887:) 4885:G 4883:( 4880:k 4878:M 4873:H 4871:\ 4869:G 4857:) 4855:Z 4851:G 4846:N 4839:N 4837:( 4835:0 4831:G 4827:G 4823:H 4821:\ 4819:G 4815:) 4813:G 4811:( 4808:k 4806:S 4801:) 4799:G 4797:( 4794:k 4792:M 4787:k 4783:C 4779:G 4775:G 4771:H 4767:G 4763:H 4759:k 4755:G 4743:H 4741:\ 4739:G 4731:D 4727:H 4723:G 4719:D 4715:H 4711:D 4707:G 4699:H 4697:\ 4695:G 4688:N 4686:( 4684:X 4680:N 4678:( 4676:Y 4672:N 4670:( 4668:0 4665:X 4661:N 4659:( 4657:0 4654:Y 4650:H 4648:\ 4646:G 4642:H 4640:\ 4638:G 4634:) 4632:N 4626:N 4624:( 4622:0 4618:G 4597:. 4593:} 4588:) 4585:N 4578:( 4573:1 4567:d 4561:a 4558:, 4555:0 4549:b 4543:c 4540:: 4537:) 4533:Z 4529:, 4526:2 4523:( 4510:) 4504:d 4499:c 4492:b 4487:a 4481:( 4475:{ 4471:= 4464:) 4461:N 4458:( 4447:} 4442:) 4439:N 4432:( 4427:0 4421:c 4418:: 4415:) 4411:Z 4407:, 4404:2 4401:( 4388:) 4382:d 4377:c 4370:b 4365:a 4359:( 4353:{ 4349:= 4342:) 4339:N 4336:( 4331:0 4306:N 4295:H 4293:\ 4291:G 4283:G 4278:Q 4273:H 4261:H 4259:\ 4257:G 4250:) 4248:Z 4242:H 4235:G 4227:) 4225:Z 4219:G 4211:G 4190:d 4187:+ 4184:z 4181:c 4176:b 4173:+ 4170:z 4167:a 4158:z 4148:f 4127:∞ 4125:i 4120:f 4113:n 4111:a 4106:n 4096:( 4088:∞ 4086:i 4082:z 4075:0 4072:a 4065:q 4060:f 4049:z 4047:( 4045:j 4038:α 4030:C 4026:C 4012:f 4008:f 4001:q 3997:q 3993:n 3989:f 3985:m 3981:f 3965:n 3961:a 3948:( 3946:f 3942:q 3923:. 3918:n 3914:q 3908:n 3904:a 3893:m 3887:= 3884:n 3876:= 3873:) 3870:z 3867:( 3864:f 3835:) 3832:z 3829:i 3823:2 3820:( 3811:= 3808:q 3783:. 3778:z 3775:n 3769:i 3766:2 3762:e 3756:n 3752:a 3741:m 3735:= 3732:n 3724:= 3721:) 3718:z 3715:( 3712:f 3692:f 3687:. 3675:) 3672:z 3669:( 3666:f 3663:= 3659:) 3653:d 3650:+ 3647:z 3644:c 3639:b 3636:+ 3633:z 3630:a 3624:( 3620:f 3609:Γ 3591:) 3585:d 3580:c 3573:b 3568:a 3562:( 3545:H 3534:f 3527:C 3523:H 3519:f 3511:f 3503:k 3447:p 3441:p 3437:q 3433:) 3431:z 3413:) 3411:z 3409:( 3407:η 3403:z 3390:q 3373:. 3368:z 3365:i 3359:2 3355:e 3351:= 3348:q 3344:, 3341:) 3336:n 3332:q 3325:1 3322:( 3312:1 3309:= 3306:n 3292:/ 3288:1 3284:q 3280:= 3277:) 3274:z 3271:( 3217:R 3200:L 3194:8 3191:L 3187:8 3184:L 3166:, 3163:) 3160:z 3157:( 3146:L 3137:= 3134:) 3131:z 3128:( 3121:8 3117:L 3108:8 3104:L 3084:8 3082:E 3072:n 3066:n 3064:L 3060:v 3055:v 3053:2 3048:R 3043:v 3039:n 3033:n 3009:z 3004:2 2990:i 2983:e 2977:L 2963:= 2960:) 2957:z 2954:( 2949:L 2928:L 2924:n 2919:R 2914:L 2899:) 2897:λ 2890:λ 2885:k 2875:k 2853:. 2850:) 2844:( 2839:k 2835:G 2831:= 2824:) 2821:1 2818:+ 2812:( 2807:k 2803:G 2795:, 2792:) 2786:( 2781:k 2777:G 2771:k 2763:= 2755:) 2746:1 2737:( 2731:k 2727:G 2696:, 2688:k 2684:) 2677:n 2674:+ 2671:m 2668:( 2664:1 2655:2 2650:Z 2642:) 2639:n 2636:, 2633:m 2630:( 2624:) 2621:0 2618:, 2615:0 2612:( 2604:= 2601:) 2595:( 2590:k 2586:G 2582:= 2579:) 2573:( 2568:k 2564:G 2549:τ 2546:Z 2542:Z 2536:k 2531:k 2529:G 2512:. 2507:k 2482:0 2474:= 2471:) 2465:( 2460:k 2456:G 2442:Λ 2438:λ 2433:λ 2425:k 2423:G 2416:k 2393:H 2389:τ 2383:τ 2380:Z 2376:Z 2371:F 2363:Λ 2357:F 2341:k 2335:F 2332:α 2328:α 2326:( 2324:F 2319:α 2315:Λ 2311:Λ 2309:α 2304:α 2299:. 2297:z 2287:F 2282:z 2278:α 2273:z 2270:Z 2266:α 2263:Z 2248:C 2239:F 2228:. 2222:1 2214:) 2212:z 2208:f 2204:z 2200:f 2189:) 2187:Z 2178:T 2174:S 2156:) 2153:z 2150:( 2147:f 2144:= 2141:) 2138:1 2135:+ 2132:z 2129:( 2126:f 2122:, 2119:) 2116:z 2113:( 2110:f 2105:k 2101:z 2097:= 2093:) 2087:z 2084:1 2075:( 2071:f 2043:) 2037:1 2032:0 2025:1 2020:1 2014:( 2009:= 2006:T 2002:, 1997:) 1991:0 1986:1 1979:1 1971:0 1965:( 1960:= 1957:S 1928:f 1908:D 1901:| 1897:) 1894:z 1891:( 1888:f 1884:| 1875:M 1869:) 1866:z 1863:( 1837:0 1831:D 1828:, 1825:M 1813:f 1804:k 1797:k 1787:. 1785:∞ 1782:i 1777:z 1770:f 1751:) 1748:z 1745:( 1742:f 1737:k 1733:) 1729:d 1726:+ 1723:z 1720:c 1717:( 1714:= 1710:) 1704:d 1701:+ 1698:z 1695:c 1690:b 1687:+ 1684:z 1681:a 1675:( 1671:f 1659:) 1657:Z 1650:H 1646:z 1640:. 1637:H 1626:f 1615:z 1613:( 1607:C 1603:z 1599:H 1589:f 1565:} 1561:1 1558:= 1555:c 1552:b 1546:d 1543:a 1537:, 1533:Z 1526:d 1523:, 1520:c 1517:, 1514:b 1511:, 1508:a 1504:| 1499:) 1493:d 1488:c 1481:b 1476:a 1470:( 1461:{ 1457:= 1454:) 1450:Z 1446:, 1443:2 1440:( 1419:k 1394:) 1392:z 1388:f 1361:) 1357:Z 1353:( 1348:2 1338:= 1308:) 1305:) 1301:Q 1297:( 1292:1 1287:P 1277:H 1272:( 1263:= 1254:X 1204:) 1198:( 1193:k 1189:M 1185:= 1182:) 1177:k 1166:, 1157:X 1153:( 1148:0 1144:H 1137:f 1114:k 1074:) 1070:Z 1066:( 1061:2 1006:) 1003:z 1000:( 975:0 969:) 966:) 963:z 960:( 954:( 951:f 946:k 939:) 935:d 932:+ 929:z 926:c 923:( 903:) 899:Z 895:( 890:2 848:. 845:) 841:Z 837:( 832:2 817:) 811:d 806:c 799:b 794:a 788:( 783:= 740:) 737:d 734:+ 731:z 728:c 725:( 721:/ 717:) 714:b 711:+ 708:z 705:a 702:( 699:= 696:) 693:z 690:( 658:) 655:z 652:( 627:) 624:) 621:z 618:( 612:( 609:f 604:k 597:) 593:d 590:+ 587:z 584:c 581:( 561:) 557:Z 553:( 548:2 513:) 510:z 507:( 504:f 499:k 495:) 491:d 488:+ 485:z 482:c 479:( 476:= 473:) 470:) 467:z 464:( 458:( 455:f 400:C 391:H 386:: 383:f 359:k 309:) 305:Z 301:( 296:2 241:) 237:R 233:( 228:2 223:L 220:S 212:) 208:Z 204:( 199:2 194:L 191:S 139:, 108:H 72:) 66:( 61:) 57:( 43:. 23:.

Index

Haar measure
help improve it
make it understandable to non-experts
Learn how and when to remove this message
mathematics
analytic function
upper half-plane
functional equation
group action
modular group
complex analysis
number theory
algebraic topology
sphere packing
string theory
automorphic forms
Lie groups
discrete subgroups
Erich Hecke
Galois representation
finite index
arithmetic group
holomorphic function
upper half-plane
line bundle
modular varieties
modular curve
Riemann–Roch theorem
moduli stack of elliptic curves
holomorphic

Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.