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单词 NormalizerCondition
释义

normalizer condition


A group is said to satisfy the normalizer condition if every proper subgroupMathworldPlanetmath is properly contained in its own normalizerMathworldPlanetmathPlanetmath.That is, a group G satisfies the normalizer condition if and only ifH<NG(H) for all H<G.A group that satisfies the normalizer condition is sometimes called an N-group.

Every nilpotent groupMathworldPlanetmath is an N-group, and every N-group is locally nilpotentPlanetmathPlanetmath.In particular, a finitely generated group is an N-groupif and only if it is nilpotent.

A group satisfies the normalizer condition if and only if all its subgroupsMathworldPlanetmathPlanetmath are ascendant.

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更新时间:2025/5/4 9:11:29