20Hxx Other groups of matrices, See also {15A30} ( 0 Dok. )

• 20H05 Unimodular groups, congruence subgroups, See also {11F06, 19B37, 22E40, 51F20} ( 0 Dok. )
• 20H10 Fuchsian groups and their generalizations, See also {11F06, 22E40, 30F35, 32Nxx} ( 0 Dok. )
• 20H15 Other geometric groups, including crystallographic groups, See also {51-XX, especially 51F15, and 82D25} ( 0 Dok. )
• 20H20 Other matrix groups over fields ( 0 Dok. )
• 20H25 Other matrix groups over rings ( 0 Dok. )
• 20H30 Other matrix groups over finite fields ( 0 Dok. )
• 20H99 None of the above but in this section ( 0 Dok. )