M_{11}

11 : 5 ≤ L_{2}(11) 144 1a + 11a + 16ab + 45a + 55a 6

Character Numbers: [ 1, 5, 6, 7, 9, 10 ]

S_{1}  S_{2}  S_{3} S_{4} S_{5} S_{6}
χ_{1} 1  11  11 11 55 55
χ_{2} 1  −1  −1 11 −5 −5
χ_{3} 1 −4 − 3b11 −1 + 3b11 −1 −5 10
χ_{4} 1 −1 + 3b11 −4 − 3b11 −1 −5 10
χ_{5} 1  3  3 −1 −5 −1
χ_{6} 1  −1  −1 −1 7 −5

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