Theorem Subgroup.relindex_dvd_card

Modification history

2025-09-13 17:16
Mathlib/GroupTheory/Index.lean
chore(GroupTheory/Index): rename `relindex` to `relIndex` (#19872) …
Deleted Subgroup.relindex_dvd_cardView on Github →
2024-12-23 10:59
Mathlib/GroupTheory/Index.lean
feat(GroupTheory/SpecificGroups/ZGroup): Extension of coprime Z-groups is a Z-group (#20147) …
Modified Subgroup.relindex_dvd_cardView on Github →
2024-12-20 19:39
Mathlib/GroupTheory/Index.lean
feat(GroupTheory/Transfer): A cyclic Sylow subgroup for the smallest prime has a normal complement (#19587) …
Added Subgroup.relindex_dvd_cardView on Github →