Subgroup.quotConjEquiv

{G : Type u_1} →
  [inst : Group G] → (H K : Subgroup G) → (g : ConjAct G) → ↥K ⧸ H.subgroupOf K ≃ ↥(g • K) ⧸ (g • H).subgroupOf (g • K)

Equivalence of K / (H ⊓ K) with gKg⁻¹/ (gHg⁻¹ ⊓ gKg⁻¹)

Defined in: Mathlib.GroupTheory.Commensurable
Cited by: 1 results in Mathlib
Foundations: Depth 71 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes: Group

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