  
  
  [1XIndex[101X
  
  [2XDisplayInformationPerfectGroups[102X, for a pair [ order, index ] 1.1-6 
      for group order (and index) 1.1-6 
  extraperfect 1.2 
  [2XNrPerfectGroups[102X 1.1-4 
  [2XNrPerfectLibraryGroups[102X 1.1-4 
  [2XNumberPerfectGroups[102X 1.1-4 
  [2XNumberPerfectLibraryGroups[102X 1.1-4 
  perfect groups 1.0 
  [2XPerfectGroup[102X, for a pair [ order, index ] 1.1-2 
      for group order (and index) 1.1-2 
  [2XPerfectIdentification[102X 1.1-3 
  [2XSizeNumbersPerfectGroups[102X 1.1-5 
  [2XSizesPerfectGroups[102X 1.1-1 
  
  
  -------------------------------------------------------
