M_{22}

L_{2}(11) 672 1a + 21a + 55a + 154a + 210a + 231a 6

Character Numbers: [ 1, 2, 5, 7, 8, 9 ]

S_{1} S_{2} S_{3} S_{4} S_{5} S_{6}
χ_{1} 1 55 55 66 165 330
χ_{2} 1 15 −25 −6 45 −30
χ_{3} 1 13 13 −18 −3 −6
χ_{4} 1 −5 7 6 9 −18
χ_{5} 1 −7 −3 −6  1 14
χ_{6} 1 5 −3  6 −11  2

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