M_{23}

M_{11} 1288 1a + 22a + 230a + 1035a 4

Character Numbers: [ 1, 2, 5, 16 ]

S_{1} S_{2} S_{3} S_{4}
χ_{1} 1 165 330 792
χ_{2} 1 −65 100 −36
χ_{3} 1 19 16 −36
χ_{4} 1 −3 −6  8

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