Co_{2}

McL 47104 {1a + 23a + 275a + 2277a + 12650a + \atop 31878a} 6

Character Numbers: [ 1, 2, 4, 7, 14, 18 ]

S_{1}  S_{2} S_{3}  S_{4}  S_{5}  S_{6}
χ_{1} 1 275 2025 7128 15400 22275
χ_{2} 1 −165 945 −2376 3080 −1485
χ_{3} 1  91 369  504 −56 −909
χ_{4} 1 −45 105  24 −280  195
χ_{5} 1  19  9 −72 −56  99
χ_{6} 1 −5 −15  24  40 −45

Ramanujan Graphs: [ 2, 3, 4, 5, 6 ], [ 3, 4, 5, 6 ]