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Label Polynomial $p$ $e$ $f$ $c$ Galois group Visible slopes Slope content Unram. Ext. Eisen. Poly.
2.8.16.45 $x^{8} + 8 x^{7} + 18 x^{6} + 12 x^{5} + 32 x^{4} + 64 x^{3} + 28 x^{2} + 24 x + 36$ $2$ $4$ $2$ $16$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[2, 3]$ $[2, 2, 3, 3]^{4}$ $t^{2} + t + 1$ $x^{4} + 4 x^{3} + \left(2 t + 2\right) x^{2} + \left(4 t + 4\right) x + 6$
2.8.16.46 $x^{8} + 8 x^{7} + 18 x^{6} + 12 x^{5} + 48 x^{4} + 128 x^{3} + 44 x^{2} + 56 x + 196$ $2$ $4$ $2$ $16$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[2, 3]$ $[2, 2, 3, 3]^{4}$ $t^{2} + t + 1$ $x^{4} + 4 x^{3} + \left(2 t + 2\right) x^{2} + \left(4 t + 4\right) x + 14$
2.8.16.47 $x^{8} - 6 x^{6} + 8 x^{5} + 40 x^{4} - 24 x^{3} + 76 x^{2} + 16 x + 52$ $2$ $4$ $2$ $16$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[2, 3]$ $[2, 2, 3, 3]^{4}$ $t^{2} + t + 1$ $x^{4} + 6 t x^{2} + 4 x + 8 t + 6$
2.8.16.48 $x^{8} + 8 x^{7} + 14 x^{6} + 64 x^{4} + 104 x^{3} - 12 x^{2} + 112 x + 196$ $2$ $4$ $2$ $16$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[2, 3]$ $[2, 2, 3, 3]^{4}$ $t^{2} + t + 1$ $x^{4} + 4 x^{3} + 2 t x^{2} + 4 x + 14$
2.8.16.53 $x^{8} - 6 x^{6} + 8 x^{5} + 36 x^{4} - 24 x^{3} + 124 x^{2} + 108$ $2$ $4$ $2$ $16$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[2, 3]$ $[2, 2, 3, 3]^{4}$ $t^{2} + t + 1$ $x^{4} + 6 t x^{2} + 4 x + 12 t + 6$
2.8.16.54 $x^{8} - 2 x^{6} + 4 x^{5} + 44 x^{4} + 32 x^{3} + 36 x^{2} + 56 x + 76$ $2$ $4$ $2$ $16$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[2, 3]$ $[2, 2, 3, 3]^{4}$ $t^{2} + t + 1$ $x^{4} + \left(6 t + 2\right) x^{2} + \left(4 t + 4\right) x + 4 t + 10$
2.8.16.55 $x^{8} + 4 x^{7} + 18 x^{6} + 48 x^{5} + 52 x^{4} + 48 x^{3} + 60 x^{2} + 32 x + 28$ $2$ $4$ $2$ $16$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[2, 3]$ $[2, 2, 3, 3]^{4}$ $t^{2} + t + 1$ $x^{4} + \left(4 t + 4\right) x^{3} + \left(6 t + 4\right) x^{2} + 4 x + 4 t + 6$
2.8.16.56 $x^{8} + 4 x^{7} + 22 x^{6} + 20 x^{5} + 44 x^{4} + 104 x^{3} + 100 x^{2} + 40 x + 172$ $2$ $4$ $2$ $16$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[2, 3]$ $[2, 2, 3, 3]^{4}$ $t^{2} + t + 1$ $x^{4} + \left(4 t + 4\right) x^{3} + \left(2 t + 4\right) x^{2} + 4 t x + 12 t + 14$
2.8.18.37 $x^{8} + 8 x^{7} + 10 x^{6} - 16 x^{5} + 68 x^{4} + 48 x^{3} + 100 x^{2} + 48 x + 12$ $2$ $4$ $2$ $18$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[2, 7/2]$ $[2, 2, 3, 7/2, 7/2]^{2}$ $t^{2} + t + 1$ $x^{4} + 4 x^{3} + 6 t x^{2} + \left(8 t + 8\right) x + 4 t + 2$
2.8.18.38 $x^{8} - 10 x^{6} - 8 x^{5} + 180 x^{4} + 208 x^{3} + 108 x^{2} + 16 x + 28$ $2$ $4$ $2$ $18$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[2, 7/2]$ $[2, 2, 3, 7/2, 7/2]^{2}$ $t^{2} + t + 1$ $x^{4} + \left(14 t + 2\right) x^{2} + 8 t x + 4 t + 6$
2.8.18.39 $x^{8} + 8 x^{7} + 18 x^{6} + 108 x^{4} + 128 x^{3} + 308 x^{2} + 176 x + 124$ $2$ $4$ $2$ $18$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[2, 7/2]$ $[2, 2, 3, 7/2, 7/2]^{2}$ $t^{2} + t + 1$ $x^{4} + 4 x^{3} + \left(14 t + 8\right) x^{2} + 8 t x + 12 t + 2$
2.8.18.40 $x^{8} + 6 x^{6} - 8 x^{5} + 60 x^{4} + 48 x^{3} + 172 x^{2} - 48 x + 156$ $2$ $4$ $2$ $18$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[2, 7/2]$ $[2, 2, 3, 7/2, 7/2]^{2}$ $t^{2} + t + 1$ $x^{4} + \left(6 t + 6\right) x^{2} + 8 t x + 4 t + 14$
2.8.18.49 $x^{8} - 10 x^{6} + 8 x^{5} + 116 x^{4} + 80 x^{3} + 164 x^{2} + 208 x + 172$ $2$ $4$ $2$ $18$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[2, 7/2]$ $[2, 2, 3, 7/2, 7/2]^{2}$ $t^{2} + t + 1$ $x^{4} + 10 t x^{2} + \left(8 t + 8\right) x + 12 t + 14$
2.8.18.50 $x^{8} + 4 x^{7} + 6 x^{6} + 40 x^{5} + 104 x^{4} + 8 x^{3} - 20 x^{2} + 4$ $2$ $4$ $2$ $18$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[2, 7/2]$ $[2, 2, 3, 7/2, 7/2]^{2}$ $t^{2} + t + 1$ $x^{4} + \left(4 t + 4\right) x^{3} + 10 t x^{2} + 2$
2.8.18.51 $x^{8} + 22 x^{6} - 8 x^{5} + 148 x^{4} - 16 x^{3} + 100 x^{2} + 48 x + 12$ $2$ $4$ $2$ $18$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[2, 7/2]$ $[2, 2, 3, 7/2, 7/2]^{2}$ $t^{2} + t + 1$ $x^{4} + \left(6 t + 14\right) x^{2} + 8 t x + 4 t + 2$
2.8.18.52 $x^{8} + 14 x^{6} + 196 x^{4} + 84 x^{2} + 12$ $2$ $4$ $2$ $18$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[2, 7/2]$ $[2, 2, 3, 7/2, 7/2]^{2}$ $t^{2} + t + 1$ $x^{4} + \left(14 t + 14\right) x^{2} + 4 t + 2$
2.8.20.33 $x^{8} - 4 x^{7} + 24 x^{6} + 32 x^{5} + 92 x^{4} - 56 x^{3} + 112 x^{2} + 196$ $2$ $4$ $2$ $20$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[3, 7/2]$ $[2, 2, 3, 7/2, 7/2]^{2}$ $t^{2} + t + 1$ $x^{4} + 4 t x^{3} + \left(8 t + 8\right) x^{2} + 14$
2.8.20.34 $x^{8} + 4 x^{7} + 24 x^{6} + 16 x^{5} + 28 x^{4} + 72 x^{3} + 48 x^{2} + 84$ $2$ $4$ $2$ $20$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[3, 7/2]$ $[2, 2, 3, 7/2, 7/2]^{2}$ $t^{2} + t + 1$ $x^{4} + \left(4 t + 4\right) x^{3} + 4 x^{2} + 8 t + 10$
2.8.20.35 $x^{8} + 4 x^{7} + 28 x^{6} + 96 x^{5} + 152 x^{4} + 40 x^{3} + 120 x^{2} + 28$ $2$ $4$ $2$ $20$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[3, 7/2]$ $[2, 2, 3, 7/2, 7/2]^{2}$ $t^{2} + t + 1$ $x^{4} + \left(4 t + 4\right) x^{3} + \left(12 t + 12\right) x^{2} + 4 t + 6$
2.8.20.36 $x^{8} + 4 x^{7} + 16 x^{6} + 40 x^{5} + 76 x^{4} + 136 x^{3} + 160 x^{2} + 112 x + 52$ $2$ $4$ $2$ $20$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[3, 7/2]$ $[2, 2, 3, 7/2, 7/2]^{2}$ $t^{2} + t + 1$ $x^{4} + \left(4 t + 4\right) x^{3} + \left(8 t + 4\right) x^{2} + 8 t x + 8 t + 2$
2.8.20.49 $x^{8} + 4 x^{7} + 28 x^{6} + 96 x^{5} + 144 x^{4} + 24 x^{3} + 72 x^{2} + 12$ $2$ $4$ $2$ $20$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[3, 7/2]$ $[2, 2, 3, 7/2, 7/2]^{2}$ $t^{2} + t + 1$ $x^{4} + \left(4 t + 4\right) x^{3} + \left(12 t + 12\right) x^{2} + 4 t + 2$
2.8.20.50 $x^{8} + 4 x^{7} + 20 x^{6} + 24 x^{5} + 48 x^{4} + 56 x^{3} + 88 x^{2} + 48 x + 12$ $2$ $4$ $2$ $20$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[3, 7/2]$ $[2, 2, 3, 7/2, 7/2]^{2}$ $t^{2} + t + 1$ $x^{4} + \left(4 t + 4\right) x^{3} + \left(4 t + 4\right) x^{2} + 8 t x + 4 t + 2$
2.8.20.51 $x^{8} + 4 x^{7} + 36 x^{6} + 72 x^{5} + 192 x^{4} + 184 x^{3} + 248 x^{2} + 112 x + 76$ $2$ $4$ $2$ $20$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[3, 7/2]$ $[2, 2, 3, 7/2, 7/2]^{2}$ $t^{2} + t + 1$ $x^{4} + \left(4 t + 4\right) x^{3} + \left(4 t + 12\right) x^{2} + \left(8 t + 8\right) x + 4 t + 10$
2.8.20.52 $x^{8} + 4 x^{7} + 12 x^{6} + 64 x^{5} + 112 x^{4} + 24 x^{3} + 72 x^{2} + 12$ $2$ $4$ $2$ $20$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[3, 7/2]$ $[2, 2, 3, 7/2, 7/2]^{2}$ $t^{2} + t + 1$ $x^{4} + \left(4 t + 4\right) x^{3} + \left(12 t + 4\right) x^{2} + 4 t + 2$
2.8.22.55 $x^{8} + 12 x^{6} + 8 x^{5} + 156 x^{4} + 192 x^{3} + 568 x^{2} + 336 x + 468$ $2$ $4$ $2$ $22$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[3, 4]$ $[2, 3, 3, 4]^{2}$ $t^{2} + t + 1$ $x^{4} + \left(12 t + 12\right) x^{2} + \left(8 t + 8\right) x + 24 t + 18$
2.8.22.56 $x^{8} + 12 x^{6} - 8 x^{5} + 60 x^{4} + 136 x^{2} - 48 x + 36$ $2$ $4$ $2$ $22$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[3, 4]$ $[2, 3, 3, 4]^{2}$ $t^{2} + t + 1$ $x^{4} + \left(4 t + 8\right) x^{2} + 8 t x + 6$
2.8.22.57 $x^{8} + 16 x^{7} + 76 x^{6} + 88 x^{5} + 28 x^{4} + 352 x^{3} + 328 x^{2} - 176 x + 484$ $2$ $4$ $2$ $22$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[3, 4]$ $[2, 3, 3, 4]^{2}$ $t^{2} + t + 1$ $x^{4} + 8 x^{3} + \left(4 t + 8\right) x^{2} + 8 t x + 22$
2.8.22.58 $x^{8} - 4 x^{6} + 8 x^{5} + 124 x^{4} + 128 x^{3} + 472 x^{2} + 336 x + 468$ $2$ $4$ $2$ $22$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[3, 4]$ $[2, 3, 3, 4]^{2}$ $t^{2} + t + 1$ $x^{4} + \left(12 t + 4\right) x^{2} + \left(8 t + 8\right) x + 24 t + 18$
2.8.22.71 $x^{8} + 16 x^{7} + 68 x^{6} + 40 x^{5} + 116 x^{4} + 352 x^{3} + 184 x^{2} + 240 x + 372$ $2$ $4$ $2$ $22$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[3, 4]$ $[2, 3, 3, 4]^{4}$ $t^{2} + t + 1$ $x^{4} + 8 x^{3} + \left(4 t + 4\right) x^{2} + \left(8 t + 8\right) x + 8 t + 22$
2.8.22.72 $x^{8} + 16 x^{7} + 60 x^{6} - 24 x^{5} + 212 x^{4} + 416 x^{3} + 136 x^{2} + 240 x + 372$ $2$ $4$ $2$ $22$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[3, 4]$ $[2, 3, 3, 4]^{4}$ $t^{2} + t + 1$ $x^{4} + 8 x^{3} + \left(12 t + 4\right) x^{2} + \left(8 t + 8\right) x + 8 t + 22$
2.8.22.73 $x^{8} + 4 x^{6} + 8 x^{5} + 4 x^{4} + 64 x^{3} + 184 x^{2} + 240 x + 468$ $2$ $4$ $2$ $22$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[3, 4]$ $[2, 3, 3, 4]^{4}$ $t^{2} + t + 1$ $x^{4} + \left(4 t + 4\right) x^{2} + \left(8 t + 8\right) x + 24 t + 6$
2.8.22.74 $x^{8} - 4 x^{6} + 8 x^{5} + 116 x^{4} + 128 x^{3} + 200 x^{2} + 112 x + 52$ $2$ $4$ $2$ $22$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[3, 4]$ $[2, 3, 3, 4]^{4}$ $t^{2} + t + 1$ $x^{4} + \left(12 t + 4\right) x^{2} + \left(8 t + 8\right) x + 8 t + 6$
2.8.29.102 $x^{8} + 8 x^{7} + 4 x^{6} + 16 x^{4} + 24 x^{2} + 16 x + 26$ $2$ $8$ $1$ $29$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[3, 7/2, 19/4]$ $[2, 3, 7/2, 4, 17/4, 19/4]$ $t + 1$ $x^{8} + 8 x^{7} + 4 x^{6} + 16 x^{4} + 24 x^{2} + 16 x + 26$
2.8.29.103 $x^{8} + 8 x^{7} + 4 x^{6} + 8 x^{2} + 10$ $2$ $8$ $1$ $29$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[3, 7/2, 19/4]$ $[2, 3, 7/2, 4, 17/4, 19/4]$ $t + 1$ $x^{8} + 8 x^{7} + 4 x^{6} + 8 x^{2} + 10$
2.8.29.106 $x^{8} + 8 x^{7} + 4 x^{6} + 16 x^{5} + 16 x^{3} + 24 x^{2} + 10$ $2$ $8$ $1$ $29$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[3, 7/2, 19/4]$ $[2, 3, 7/2, 4, 17/4, 19/4]$ $t + 1$ $x^{8} + 8 x^{7} + 4 x^{6} + 16 x^{5} + 16 x^{3} + 24 x^{2} + 10$
2.8.29.107 $x^{8} + 8 x^{7} + 20 x^{6} + 24 x^{2} + 26$ $2$ $8$ $1$ $29$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[3, 7/2, 19/4]$ $[2, 3, 7/2, 4, 17/4, 19/4]$ $t + 1$ $x^{8} + 8 x^{7} + 20 x^{6} + 24 x^{2} + 26$
2.8.29.108 $x^{8} + 8 x^{7} + 20 x^{6} + 16 x + 10$ $2$ $8$ $1$ $29$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[3, 7/2, 19/4]$ $[2, 3, 7/2, 4, 17/4, 19/4]$ $t + 1$ $x^{8} + 8 x^{7} + 20 x^{6} + 16 x + 10$
2.8.29.113 $x^{8} + 8 x^{7} + 12 x^{6} + 16 x^{3} + 26$ $2$ $8$ $1$ $29$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[3, 7/2, 19/4]$ $[2, 3, 7/2, 4, 17/4, 19/4]$ $t + 1$ $x^{8} + 8 x^{7} + 12 x^{6} + 16 x^{3} + 26$
2.8.29.114 $x^{8} + 8 x^{7} + 4 x^{6} + 10$ $2$ $8$ $1$ $29$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[3, 7/2, 19/4]$ $[2, 3, 7/2, 4, 17/4, 19/4]$ $t + 1$ $x^{8} + 8 x^{7} + 4 x^{6} + 10$
2.8.29.115 $x^{8} + 8 x^{7} + 20 x^{6} + 16 x^{5} + 24 x^{2} + 26$ $2$ $8$ $1$ $29$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[3, 7/2, 19/4]$ $[2, 3, 7/2, 4, 17/4, 19/4]$ $t + 1$ $x^{8} + 8 x^{7} + 20 x^{6} + 16 x^{5} + 24 x^{2} + 26$
2.8.29.117 $x^{8} + 8 x^{7} + 12 x^{6} + 16 x^{5} + 8 x^{4} + 26$ $2$ $8$ $1$ $29$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[3, 7/2, 19/4]$ $[2, 3, 7/2, 4, 17/4, 19/4]$ $t + 1$ $x^{8} + 8 x^{7} + 12 x^{6} + 16 x^{5} + 8 x^{4} + 26$
2.8.29.119 $x^{8} + 8 x^{7} + 4 x^{6} + 16 x^{5} + 16 x + 10$ $2$ $8$ $1$ $29$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[3, 7/2, 19/4]$ $[2, 3, 7/2, 4, 17/4, 19/4]$ $t + 1$ $x^{8} + 8 x^{7} + 4 x^{6} + 16 x^{5} + 16 x + 10$
2.8.29.120 $x^{8} + 8 x^{7} + 4 x^{6} + 16 x^{5} + 16 x^{4} + 16 x^{2} + 10$ $2$ $8$ $1$ $29$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[3, 7/2, 19/4]$ $[2, 3, 7/2, 4, 17/4, 19/4]$ $t + 1$ $x^{8} + 8 x^{7} + 4 x^{6} + 16 x^{5} + 16 x^{4} + 16 x^{2} + 10$
2.8.29.121 $x^{8} + 8 x^{7} + 20 x^{6} + 8 x^{4} + 24 x^{2} + 16 x + 26$ $2$ $8$ $1$ $29$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[3, 7/2, 19/4]$ $[2, 3, 7/2, 4, 17/4, 19/4]$ $t + 1$ $x^{8} + 8 x^{7} + 20 x^{6} + 8 x^{4} + 24 x^{2} + 16 x + 26$
2.8.29.123 $x^{8} + 8 x^{7} + 4 x^{6} + 16 x^{5} + 16 x^{2} + 10$ $2$ $8$ $1$ $29$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[3, 7/2, 19/4]$ $[2, 3, 7/2, 4, 17/4, 19/4]$ $t + 1$ $x^{8} + 8 x^{7} + 4 x^{6} + 16 x^{5} + 16 x^{2} + 10$
2.8.29.126 $x^{8} + 8 x^{7} + 4 x^{6} + 16 x^{5} + 8 x^{2} + 10$ $2$ $8$ $1$ $29$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[3, 7/2, 19/4]$ $[2, 3, 7/2, 4, 17/4, 19/4]$ $t + 1$ $x^{8} + 8 x^{7} + 4 x^{6} + 16 x^{5} + 8 x^{2} + 10$
2.8.29.127 $x^{8} + 8 x^{7} + 4 x^{6} + 8 x^{4} + 24 x^{2} + 10$ $2$ $8$ $1$ $29$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[3, 7/2, 19/4]$ $[2, 3, 7/2, 4, 17/4, 19/4]$ $t + 1$ $x^{8} + 8 x^{7} + 4 x^{6} + 8 x^{4} + 24 x^{2} + 10$
2.8.29.65 $x^{8} + 8 x^{7} + 20 x^{6} + 16 x^{4} + 16 x + 18$ $2$ $8$ $1$ $29$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[3, 7/2, 19/4]$ $[2, 3, 7/2, 4, 17/4, 19/4]$ $t + 1$ $x^{8} + 8 x^{7} + 20 x^{6} + 16 x^{4} + 16 x + 18$
2.8.29.66 $x^{8} + 8 x^{7} + 4 x^{6} + 16 x^{4} + 16 x + 18$ $2$ $8$ $1$ $29$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[3, 7/2, 19/4]$ $[2, 3, 7/2, 4, 17/4, 19/4]$ $t + 1$ $x^{8} + 8 x^{7} + 4 x^{6} + 16 x^{4} + 16 x + 18$
2.8.29.67 $x^{8} + 8 x^{7} + 4 x^{6} + 16 x^{5} + 24 x^{4} + 24 x^{2} + 18$ $2$ $8$ $1$ $29$ $(((C_4 \times C_2): C_2):C_2):C_2$ (as 8T30) $[3, 7/2, 19/4]$ $[2, 3, 7/2, 4, 17/4, 19/4]$ $t + 1$ $x^{8} + 8 x^{7} + 4 x^{6} + 16 x^{5} + 24 x^{4} + 24 x^{2} + 18$
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