Suz.2

\begin{matrix}3.U_{4}(3).2_{1} \\ ≤ 3.U_{4}(3).2^{2} \end{matrix} 45760 1a^{+} + 143a^{−} + 364a^{+} + 780a^{+} + 5940a^{+}

+ 10725a^{−} + 12012a^{−} + 15795a^{+}

8

Character Numbers: [ 1, 4, 5, 7, 14, 17, 19, 23 ]

S_{1} S_{2}  S_{3} S_{4} S_{5} S_{6}  S_{7}  S_{8}
χ_{1} 1 1 486 486 560 8505 8505 27216
χ_{2} 1 −1 −162 162 0 945 −945 0
χ_{3} 1 1 −54 −54 160 405 405 −864
χ_{4} 1 1  90 90 −56 189 189 −504
χ_{5} 1 1  18 18 40 −75 −75  72
χ_{6} 1 −1 −18 18  0 −63  63  0
χ_{7} 1 −1  18 −18  0 45 −45  0
χ_{8} 1 1 −10 −10 −16  9  9  16

Ramanujan Graphs: [ 2, 3, 4, 5, 6, 7, 8 ], [ 2, 3, 4, 6, 7, 8 ], [ 2, 3, 5, 6, 7, 8 ], [ 2, 3, 6, 7, 8 ], [ 2, 4, 5, 6, 7, 8 ], [ 2, 4, 6, 7, 8 ], [ 2, 5, 6, 7, 8 ], [ 2, 6, 7, 8 ], [ 3, 4, 5, 6, 7, 8 ], [ 3, 4, 6, 7, 8 ], [ 3, 5, 6, 7, 8 ], [ 3, 6, 7, 8 ], [ 4, 5, 6, 7, 8 ], [ 4, 6, 7, 8 ], [ 5, 6, 7, 8 ], [ 6, 7, 8 ]