DihedralGroup.oddCommuteEquiv

{n : ℕ} → Odd n → { p // Commute p.1 p.2 } ≃ ZMod n ⊕ ZMod n ⊕ ZMod n ⊕ ZMod n × ZMod n

If n is odd, then the Dihedral group of order $2n$ has $n(n+3)$ pairs (represented as $n + n + n + n*n$) of commuting elements.

Defined in: Mathlib.GroupTheory.SpecificGroups.Dihedral
Cited by: 3 results in Mathlib
Foundations: Depth 77 from the axioms · uses propext, Classical.choice, Quot.sound

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