M_{22}.2

A_{6}.2^{2}  616 1a^{+} + 21a^{+} + 55a^{+} + 154a^{+} + 385a^{+}  5

Character Numbers: [ 1, 3, 9, 13, 20 ]

S_{1} S_{2} S_{3} S_{4} S_{5}
χ_{1} 1 30 45 180 360
χ_{2} 1 8 −21 48 −36
χ_{3} 1 16  3 −16 −4
χ_{4} 1 −2 9 8 −16
χ_{5} 1 −2 −3 −4  8

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