1\chapcontents {1}{The Crystallographic Groups Catalog}{3} 2\seccontents {1.1}{How to access the data of the book} {3} 3\seccontents {1.2}{Representation of space groups} {4} 4\seccontents {1.3}{Crystal Families} {6} 5\seccontents {1.4}{Crystal Systems} {6} 6\seccontents {1.5}{Q-Classes} {7} 7\seccontents {1.6}{Z-Classes} {10} 8\seccontents {1.7}{Dade groups} {12} 9\seccontents {1.8}{Space groups and space group types} {14} 10\chapcontents {}{Bibliography}{18} 11\chapcontents {}{Index}{19} 12