Mathlib Changelog
v4
Changelog
About
Github
Theorem
CongruenceSubgroup.isArithmetic_conj_SL2Z
Modification history
2025-09-13 14:08
Mathlib/NumberTheory/ModularForms/CongruenceSubgroups.lean
feat(NumberTheory/ModularForms): Cusps of subgroups acting on upper half-plane (#29327) …
Added
CongruenceSubgroup.isArithmetic_conj_SL2Z
View on Github →