\in 2.4-2CanEasilyCompareCongruenceSubgroups 2.4-3CongruenceSubgroupGamma0 2.1-2CongruenceSubgroupGamma1 2.1-4CongruenceSubgroupGammaUpper0 2.1-3CongruenceSubgroupGammaUpper1 2.1-5DefiningCongruenceSubgroups 2.3-3DenominatorOfGFSElement 3.2-3FareySymbol 4.1-1FareySymbolByData 3.1-1GeneralizedFareySequence 3.2-1GeneratorsByFareySymbol 4.2-4GeneratorsOfGroup 4.2-5Index 2.4-5IndexInPSL2ZByFareySymbol 4.3-1IndexInSL2Z 2.3-2InfoCongruence 5.1-1Intersection 2.1-6IntersectionOfCongruenceSubgroups 2.1-6IsCongruenceSubgroup 1.1IsCongruenceSubgroup 2.IsCongruenceSubgroupGamma0 2.2-2IsCongruenceSubgroupGamma1 2.2-4IsCongruenceSubgroupGammaUpper0 2.2-3IsCongruenceSubgroupGammaUpper1 2.2-5IsFareySymbol 3.IsFareySymbolDefaultRep 3.IsIntersectionOfCongruenceSubgroups 2.2-6IsPrincipalCongruenceSubgroup 2.2-1IsSubset 2.4-4IsValidFareySymbol 3.1-2LabelsOfFareySymbol 3.2-4LevelOfCongruenceSubgroup 2.3-1MatrixByEvenInterval 4.2-1MatrixByFreePairOfIntervals 4.2-3MatrixByOddInterval 4.2-2NumeratorOfGFSElement 3.2-2PrincipalCongruenceSubgroup 2.1-1Random 2.4-1Random, one and two argument versions 2.4-1
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