Co_{1}

Co_{3} 8386560 {1a + 299a + 17250a + 80730a + 376740a \atop + 2417415a + 5494125a} 7

Character Numbers: [ 1, 3, 6, 10, 14, 26, 32 ]

S_{1}  S_{2}  S_{3}  S_{4}  S_{5}  S_{6}  S_{7}
χ_{1} 1 11178 37950 257600 1536975 2608200 3934656
χ_{2} 1 4698 −1650 56000 111375 −113400 −57024
χ_{3} 1 1506  198 4256 −14289  13608 −5280
χ_{4} 1 258 1830 −1120  1455 −2520  96
χ_{5} 1 306 −330 −1120  495 −2520  3168
χ_{6} 1 −54  30  320  −945 −1080  1728
χ_{7} 1  −6 −18  −64  399  648  −960

Ramanujan Graphs: [ 2, 3, 4, 5, 6, 7 ], [ 2, 3, 4, 7 ], [ 2, 3, 5, 6 ], [ 2, 4, 5, 6, 7 ], [ 2, 4, 7 ], [ 2, 5, 6 ], [ 3, 4, 5, 6, 7 ], [ 3, 4, 7 ], [ 3, 5, 6 ], [ 4, 5, 6, 7 ], [ 4, 7 ], [ 5, 6 ]