McL

U_{3}(5) 7128 1a + 22a + 252a + 1750a + 5103a 5

Character Numbers: [ 1, 2, 4, 9, 14 ]

S_{1}  S_{2} S_{3}  S_{4}  S_{5}
χ_{1} 1 252 750 2625 3500
χ_{2} 1 −126 300 −525 350
χ_{3} 1  54 90 −15 −130
χ_{4} 1 −18 12  51 −46
χ_{5} 1  4 −10 −15  20

Ramanujan Graphs: [ 2, 3, 4, 5 ], [ 3, 4, 5 ]