F i_{23}

O_{8}^{+}(3).3.2  137632 1a + 30888a + 106743a  3

Character Numbers: [ 1, 6, 8 ]

S_{1}  S_{2}  S_{3}
χ_{1} 1 28431 109200
χ_{2} 1 279 −280
χ_{3} 1 −81  80

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