- to_even_subgroup() (sage.modular.arithgroup.arithgroup_generic.ArithmeticSubgroup method)
- (sage.modular.arithgroup.arithgroup_perm.EvenArithmeticSubgroup_Permutation method)
- (sage.modular.arithgroup.arithgroup_perm.OddArithmeticSubgroup_Permutation method)
- (sage.modular.arithgroup.congroup_gammaH.GammaH_class method)
- (sage.modular.arithgroup.congroup_generic.CongruenceSubgroupFromGroup method)
- todd_coxeter() (sage.modular.arithgroup.arithgroup_generic.ArithmeticSubgroup method)
- (sage.modular.arithgroup.arithgroup_perm.EvenArithmeticSubgroup_Permutation method)
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- todd_coxeter_l_s2() (sage.modular.arithgroup.arithgroup_perm.EvenArithmeticSubgroup_Permutation method)
- todd_coxeter_s2_s3() (sage.modular.arithgroup.arithgroup_perm.EvenArithmeticSubgroup_Permutation method)
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