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Characteristically simple group

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is the trivial subgroup. Every minimal normal subgroup of a group is characteristically simple. This follows from the fact that a characteristic subgroup of a normal subgroup is normal.
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form a characteristically simple group that is not a direct product of simple groups.
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A finite group is characteristically simple if and only if it is a
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is characteristically simple if and only if it is an
190: 8: 197: 183: 52:, which include characteristic subgroups. 63:simple groups. In particular, a finite 98:such that the only proper subgroup of 7: 151: 149: 71:. This does not hold in general for 116:Robinson, Derek John Scott (1996), 14: 40:. Characteristically simple is a 153: 118:A course in the theory of groups 90:is a nontrivial normal subgroup 32:if it has no proper nontrivial 1: 169:. You can help Knowledge by 237: 148: 30:characteristically simple 69:elementary abelian group 34:characteristic subgroups 84:minimal normal subgroup 44:condition than being a 165:-related article is a 216:Properties of groups 75:; for example, the 221:Group theory stubs 102:that is normal in 20:, in the field of 178: 177: 139:978-0-387-94461-6 38:elementary groups 228: 199: 192: 185: 157: 150: 142: 77:rational numbers 50:normal subgroups 236: 235: 231: 230: 229: 227: 226: 225: 206: 205: 204: 203: 146: 140: 130:Springer-Verlag 115: 112: 73:infinite groups 12: 11: 5: 234: 232: 224: 223: 218: 208: 207: 202: 201: 194: 187: 179: 176: 175: 158: 144: 143: 138: 111: 108: 65:solvable group 57:direct product 28:is said to be 13: 10: 9: 6: 4: 3: 2: 233: 222: 219: 217: 214: 213: 211: 200: 195: 193: 188: 186: 181: 180: 174: 172: 168: 164: 159: 156: 152: 147: 141: 135: 131: 127: 123: 119: 114: 113: 109: 107: 105: 101: 97: 93: 89: 85: 80: 78: 74: 70: 66: 62: 58: 53: 51: 47: 43: 39: 35: 31: 27: 23: 19: 171:expanding it 163:group theory 160: 145: 117: 103: 99: 95: 91: 87: 83: 81: 54: 46:simple group 41: 37: 29: 22:group theory 15: 86:of a group 18:mathematics 210:Categories 110:References 61:isomorphic 126:New York 136:  122:Berlin 42:weaker 161:This 26:group 167:stub 134:ISBN 24:, a 94:of 59:of 16:In 212:: 132:, 128:: 124:, 120:, 82:A 198:e 191:t 184:v 173:. 104:G 100:N 96:G 92:N 88:G

Index

mathematics
group theory
group
characteristic subgroups
simple group
normal subgroups
direct product
isomorphic
solvable group
elementary abelian group
infinite groups
rational numbers
Berlin
New York
Springer-Verlag
ISBN
978-0-387-94461-6
Stub icon
group theory
stub
expanding it
v
t
e
Categories
Properties of groups
Group theory stubs

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