Co_{3}

McL ≤ McL.2 552 1a + 23a + 253b + 275a 4

Character Numbers: [ 1, 2, 4, 5 ]

S_{1} S_{2} S_{3} S_{4}
χ_{1} 1 1 275 275
χ_{2} 1 −1 55 −55
χ_{3} 1 −1 −5  5
χ_{4} 1 1 −1 −1

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