  
  
  [1XIndex[101X
  
  [2X\in[102X 2.4-2 
  [2XCanEasilyCompareCongruenceSubgroups[102X 2.4-3 
  [5XCongruence[105X package .-1 
  [2XCongruenceSubgroupGamma0[102X 2.1-2 
  [2XCongruenceSubgroupGamma1[102X 2.1-4 
  [2XCongruenceSubgroupGammaUpper0[102X 2.1-3 
  [2XCongruenceSubgroupGammaUpper1[102X 2.1-5 
  [2XDefiningCongruenceSubgroups[102X 2.3-3 
  [2XDenominatorOfGFSElement[102X 3.2-3 
  [2XFareySymbol[102X 4.1-1 
  [2XFareySymbolByData[102X 3.1-1 
  [2XGeneralizedFareySequence[102X 3.2-1 
  [2XGeneratorsByFareySymbol[102X 4.2-4 
  [2XGeneratorsOfGroup[102X 4.2-5 
  [2XIndex[102X 2.4-5 
  [2XIndexInPSL2ZByFareySymbol[102X 4.3-1 
  [2XIndexInSL2Z[102X 2.3-2 
  [2XInfoCongruence[102X 5.1-1 
  [2XIntersection[102X 2.1-6 
  [2XIntersectionOfCongruenceSubgroups[102X 2.1-6 
  [10XIsCongruenceSubgroup[110X 1.1  2. 
  [2XIsCongruenceSubgroupGamma0[102X 2.2-2 
  [2XIsCongruenceSubgroupGamma1[102X 2.2-4 
  [2XIsCongruenceSubgroupGammaUpper0[102X 2.2-3 
  [2XIsCongruenceSubgroupGammaUpper1[102X 2.2-5 
  [10XIsFareySymbol[110X 3. 
  [10XIsFareySymbolDefaultRep[110X 3. 
  [2XIsIntersectionOfCongruenceSubgroups[102X 2.2-6 
  [2XIsPrincipalCongruenceSubgroup[102X 2.2-1 
  [2XIsSubset[102X 2.4-4 
  [2XIsValidFareySymbol[102X 3.1-2 
  [2XLabelsOfFareySymbol[102X 3.2-4 
  [2XLevelOfCongruenceSubgroup[102X 2.3-1 
  [2XMatrixByEvenInterval[102X 4.2-1 
  [2XMatrixByFreePairOfIntervals[102X 4.2-3 
  [2XMatrixByOddInterval[102X 4.2-2 
  [2XNumeratorOfGFSElement[102X 3.2-2 
  [2XPrincipalCongruenceSubgroup[102X 2.1-1 
  [2XRandom[102X 2.4-1 
      one and two argument versions 2.4-1 
  
  
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