M_{23}

2^{4} : A_{7} 253 1a + 22a + 230a 3

Character Numbers: [ 1, 2, 5 ]

S_{1} S_{2} S_{3}
χ_{1} 1 112 140
χ_{2} 1 −26 25
χ_{3} 1  2 −3

Ramanujan Graphs: [ 2, 3 ]