B

2.^{2}E_{6}(2).2 13571955000 {1a + 96255a + 9458750a + \atop 4275362520a + 9287037474a} 5

Character Numbers: [ 1, 3, 5, 13, 15 ]

S_{1}  S_{2}  S_{3}  S_{4}  S_{5}
χ_{1} 1 3968055 23113728 2370830336 11174042880
χ_{2} 1 228735 −709632 14483456 −14002560
χ_{3} 1 50895 133056  124928  −308880
χ_{4} 1  1935  −4032  −31744  33840
χ_{5} 1  −945  1728  14336  −15120

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