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already before any base extension), and it can be shown to be maximal. Since
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Algebraic Groups: The Theory of Group
Schemes of Finite Type over a Field
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383:{\displaystyle \mathbf {G} _{m}}
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188:{\displaystyle {\bar {k}}}
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310:{\displaystyle G}
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677:Categories
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268:Lie groups
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295:reductive
180:¯
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528:(2017),
506:(2002).
426:See also
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508:Algebra
321:Example
166:(where
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