Theorems · Definition · group theory
Subgroup.Commensurable
{G : Type u_1} → [inst : Group G] → Subgroup G → Subgroup G → PropTwo subgroups H K of G are commensurable if H ⊓ K has finite index in both H and K.
- Defined in
- Mathlib.GroupTheory.Commensurable
- Cited by
- 20 results in Mathlib
- Foundations
- Depth 92 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- Group
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites3
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Groupstatement and proof · cited by 6,238
- Subgroupstatement and proof · cited by 3,593
- Subgroup.relIndexproof · cited by 72
Cited by25
Results whose statement or proof uses this declaration.
- Subgroup.Commensurable.transstatement and proof · cited by 5
- Subgroup.Commensurable.reflstatement · cited by 4
- IsHeckeTriple.commensurablestatement · cited by 3
- Subgroup.Commensurable.commensurable_conjstatement · cited by 3
- Subgroup.Commensurable.symmstatement · cited by 3
- Subgroup.IsArithmetic.is_commensurablestatement · cited by 2
- Subgroup.Commensurable.isCusp_iffstatement and proof · cited by 2
- Subgroup.commensurable_adjoinNegOne_selfstatement · cited by 1
- Subgroup.Commensurable.commensurator'proof · cited by 1
- Subgroup.Commensurable.conjstatement and proof · cited by 1
- Subgroup.Commensurable.eqstatement and proof · cited by 1
- Subgroup.IsArithmetic.casesOnstatement and proof · cited by 0