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Theorems · Theorem · group theory

MulAction.isPreprimitive_stabilizer_of_surjective

∀ {M : Type u_1} {α : Type u_2} [inst : Group M] [inst_1 : MulAction M α] (s : Set α),
  Function.Surjective MulAction.toPerm → MulAction.IsPreprimitive ↥(MulAction.stabilizer M s) ↑s

In the permutation group, the stabilizer of any set acts primitively on that set.

Defined in
Mathlib.GroupTheory.Perm.MaximalSubgroups
Cited by
2 results in Mathlib
Foundations
Depth 84 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
GroupMulAction

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