F i_{22}

2.U_{6}(2).2  3510 1a^{+} + 429a^{+} + 3080a^{+}  3

Character Numbers: [ 1, 5, 13 ]

S_{1} S_{2} S_{3}
χ_{1} 1 693 2816
χ_{2} 1 63 −64
χ_{3} 1 −9  8

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