∫ Утверждение Mathlib
instFiniteIndexGamma0
Mathlib.NumberTheory.ModularForms.CongruenceSubgroups
URI: https://scilib.ai/kg/mathlib#CongruenceSubgroup.instFiniteIndexGamma0
∫ Утверждение Mathlib
Mathlib.NumberTheory.ModularForms.CongruenceSubgroups
URI: https://scilib.ai/kg/mathlib#CongruenceSubgroup.instFiniteIndexGamma0