Subgroup.normalCore_eq_ker

∀ {G : Type u_1} [inst : Group G] (H : Subgroup G), H.normalCore = (MulAction.toPermHom G (G ⧸ H)).ker

Defined in: Mathlib.GroupTheory.GroupAction.Quotient
Cited by: 1 results in Mathlib
Foundations: Depth 72 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes: Group

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