Reductive algebraic group

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This article defines a property that can be evaluated for an algebraic group. it is probably not a property that can directly be evaluated, or make sense, for an abstract group|View other properties of algebraic groups


Definition with symbols

A linear algebraic group G over a field k is said to be reductive if it satisfies the following equivalent conditions:

  1. It has no nontrivial normal unipotent connected closed subgroup.
  2. Its unipotent radical is the trivial subgroup.

Relation with other properties

Stronger properties

Stronger properties of algebraic groups include:

Weaker properties

Weaker properties of algebraic groups include: