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单词 FrobeniusGroup
释义

Frobenius group


A permutation groupMathworldPlanetmath G on a set X is Frobenius if no non-trivial element of G fixes more thanone element of X. Generally, one also makes the restrictionPlanetmathPlanetmathPlanetmath that at least one non-trivial elementfix a point. In this case the Frobenius group is called non-regular.

The stabilizerMathworldPlanetmath of any point in X is called a Frobenius complement, and has the remarkableproperty that it is distinct from any conjugate by an element not in the subgroupMathworldPlanetmathPlanetmath. Conversely,if any finite groupMathworldPlanetmath G has such a subgroup, then the action on cosets of that subgroup makesG into a Frobenius group.

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更新时间:2025/5/5 0:18:44