He.2

S_{4}(4).4  2058 1a^{+} + 51ab + 680a^{+} + 1275a^{−}  4

Character Numbers: [ 1, 3, 5, 9 ]

S_{1} S_{2} S_{3} S_{4}
χ_{1} 1 272 425 1360
χ_{2} 1 −36 75 −40
χ_{3} 1 20 5 −26
χ_{4} 1 −8 −9 16

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