M_{22}.2

A_{7}  352 1a^{±} + 21a^{±} + 154a^{±}  6

Character Numbers: [ 1, 2, 3, 4, 13, 14 ]

S_{1} S_{2} S_{3} S_{4} S_{5}  S_{6}
χ_{1} 1 15 35 70 105 126
χ_{2} 1 −15 −35 70 105 −126
χ_{3} 1 −7 13 −18 17 −6
χ_{4} 1  7 −13 −18 17  6
χ_{5} 1  3  3  2 −3 −6
χ_{6} 1 −3 −3  2 −3  6

Ramanujan Graphs: [ 2 ], [ 2, 3 ], [ 2, 3, 4, 5, 6 ], [ 2, 3, 6 ], [ 2, 4, 5, 6 ], [ 2, 6 ], [ 3, 4, 5, 6 ], [ 3, 6 ], [ 4, 5 ], [ 5 ], [ 5, 6 ], [ 6 ]