HS.2

M_{22}.2  100 1a^{+} + 22a^{+} + 77a^{+}  3

Character Numbers: [ 1, 3, 5 ]

S_{1} S_{2} S_{3}
χ_{1} 1 22 77
χ_{2} 1 −8 7
χ_{3} 1 2 −3

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