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Theorems · Theorem · group theory

Group.nilpotencyClass_quotient_le

∀ {G : Type u_1} [inst : Group G] (H : Subgroup G) [inst_1 : H.Normal] [_h : Group.IsNilpotent G],
  Group.nilpotencyClass (G ⧸ H) ≤ Group.nilpotencyClass G

The nilpotency class of a quotient of G is less or equal the nilpotency class of G.

Defined in
Mathlib.GroupTheory.Nilpotent
Cited by
1 results in Mathlib
Foundations
Depth 93 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
GroupSubgroup.NormalGroup.IsNilpotent

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