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Label Polynomial $p$ $e$ $f$ $c$ Galois group Visible slopes Slope content Unram. Ext. Eisen. Poly.
2.12.12.29 $x^{12} + 4 x^{8} + 4 x^{7} - 2 x^{6} + 4 x^{4} + 8 x^{3} - 4 x + 4$ $2$ $6$ $2$ $12$ $A_4^2:C_4$ (as 12T159) $[4/3]$ $[4/3, 4/3, 4/3, 4/3]_{3}^{12}$ $t^{2} + t + 1$ $x^{6} + 2 x^{2} + 2 x + 2 t$
2.12.16.12 $x^{12} - 2 x^{11} + 4 x^{10} + 2 x^{9} + 8 x^{8} - 4 x^{7} + 10 x^{6} + 4 x^{5} + 4 x^{4} + 12 x^{3} + 12 x^{2} + 12$ $2$ $6$ $2$ $16$ $A_4^2:C_4$ (as 12T159) $[2]$ $[4/3, 4/3, 4/3, 4/3, 2]_{3}^{6}$ $t^{2} + t + 1$ $x^{6} + 2 t x^{5} + \left(2 t + 2\right) x^{3} + 2 x^{2} + 2 t + 4$
2.12.20.1 $x^{12} + 4 x^{11} + 8 x^{10} + 16 x^{9} + 24 x^{8} + 24 x^{7} + 18 x^{6} + 4 x^{5} - 8 x^{4} - 24 x^{3} - 12 x^{2} + 36$ $2$ $6$ $2$ $20$ $A_4^2:C_4$ (as 12T159) $[8/3]$ $[2, 8/3, 8/3, 8/3, 8/3]_{3}^{6}$ $t^{2} + t + 1$ $x^{6} + 2 x^{5} + 2 x^{4} + 4 x^{3} + 2 x^{2} + 6 t$
2.12.20.13 $x^{12} + 4 x^{11} + 8 x^{10} + 12 x^{9} + 12 x^{8} + 12 x^{7} + 26 x^{6} + 36 x^{5} + 48 x^{4} + 64 x^{3} + 52 x^{2} + 40 x + 28$ $2$ $6$ $2$ $20$ $A_4^2:C_4$ (as 12T159) $[8/3]$ $[8/3, 8/3, 8/3, 8/3]_{3}^{12}$ $t^{2} + t + 1$ $x^{6} + 2 x^{5} + 2 x^{4} + \left(4 t + 4\right) x^{3} + \left(4 t + 2\right) x^{2} + \left(4 t + 4\right) x + 6 t + 4$
2.12.20.23 $x^{12} + 4 x^{11} + 12 x^{10} + 16 x^{9} + 32 x^{8} + 8 x^{7} + 10 x^{6} - 12 x^{5} + 16 x^{4} - 12 x^{2} + 36$ $2$ $6$ $2$ $20$ $A_4^2:C_4$ (as 12T159) $[8/3]$ $[2, 8/3, 8/3, 8/3, 8/3]_{3}^{6}$ $t^{2} + t + 1$ $x^{6} + 2 x^{5} + \left(4 t + 6\right) x^{4} + 2 x^{2} + 6 t$
2.12.20.26 $x^{12} + 4 x^{11} + 8 x^{10} + 4 x^{9} + 18 x^{6} - 20 x^{5} - 8 x^{4} + 48 x^{3} - 12 x^{2} + 36$ $2$ $6$ $2$ $20$ $A_4^2:C_4$ (as 12T159) $[8/3]$ $[2, 8/3, 8/3, 8/3, 8/3]_{3}^{6}$ $t^{2} + t + 1$ $x^{6} + 2 x^{5} + 2 x^{4} + 4 t x^{3} + 2 x^{2} + 6 t$
2.12.20.44 $x^{12} - 2 x^{11} + 16 x^{10} - 16 x^{9} + 52 x^{8} - 24 x^{7} + 18 x^{6} + 16 x^{5} + 12 x^{4} + 32 x^{3} + 28$ $2$ $6$ $2$ $20$ $A_4^2:C_4$ (as 12T159) $[8/3]$ $[8/3, 8/3, 8/3, 8/3]_{3}^{12}$ $t^{2} + t + 1$ $x^{6} + 2 t x^{5} + 6 x^{4} + 4 t x^{3} + 6 t + 4$
2.12.20.45 $x^{12} + 4 x^{11} + 16 x^{10} + 24 x^{9} + 36 x^{8} + 4 x^{7} + 10 x^{6} + 28 x^{5} + 24 x^{4} + 24 x^{3} + 52 x^{2} + 40 x + 28$ $2$ $6$ $2$ $20$ $A_4^2:C_4$ (as 12T159) $[8/3]$ $[8/3, 8/3, 8/3, 8/3]_{3}^{12}$ $t^{2} + t + 1$ $x^{6} + 2 x^{5} + 6 x^{4} + \left(4 t + 2\right) x^{2} + \left(4 t + 4\right) x + 6 t + 4$
2.12.20.5 $x^{12} - 2 x^{11} + 16 x^{10} - 12 x^{9} + 32 x^{8} + 16 x^{7} - 22 x^{6} + 16 x^{5} + 28 x^{4} + 32 x^{2} + 28$ $2$ $6$ $2$ $20$ $A_4^2:C_4$ (as 12T159) $[8/3]$ $[8/3, 8/3, 8/3, 8/3]_{3}^{12}$ $t^{2} + t + 1$ $x^{6} + 2 t x^{5} + 6 x^{4} + 4 t x^{2} + 6 t + 4$
2.12.20.8 $x^{12} + 4 x^{11} + 4 x^{10} + 4 x^{9} + 24 x^{8} + 32 x^{7} + 10 x^{6} - 4 x^{5} + 40 x^{4} + 24 x^{3} - 12 x^{2} + 36$ $2$ $6$ $2$ $20$ $A_4^2:C_4$ (as 12T159) $[8/3]$ $[2, 8/3, 8/3, 8/3, 8/3]_{3}^{6}$ $t^{2} + t + 1$ $x^{6} + 2 x^{5} + \left(4 t + 2\right) x^{4} + \left(4 t + 4\right) x^{3} + 2 x^{2} + 6 t$
2.12.22.16 $x^{12} + 8 x^{11} + 28 x^{10} + 48 x^{9} + 40 x^{8} + 12 x^{7} + 2 x^{6} - 48 x^{5} - 32 x^{4} - 8 x^{3} + 4 x^{2} + 96 x + 156$ $2$ $6$ $2$ $22$ $A_4^2:C_4$ (as 12T159) $[3]$ $[8/3, 8/3, 8/3, 8/3, 3]_{3}^{6}$ $t^{2} + t + 1$ $x^{6} + 4 x^{5} + 6 x^{4} + 2 x^{2} + 4 t x + 14 t + 4$
2.12.22.17 $x^{12} - 4 x^{11} + 20 x^{10} - 12 x^{9} + 40 x^{8} - 12 x^{7} + 34 x^{6} + 48 x^{5} + 8 x^{4} + 56 x^{3} + 4 x^{2} + 24 x + 36$ $2$ $6$ $2$ $22$ $A_4^2:C_4$ (as 12T159) $[3]$ $[4/3, 4/3, 4/3, 4/3, 3]_{3}^{6}$ $t^{2} + t + 1$ $x^{6} + 4 t x^{5} + 2 x^{4} + 4 t x^{3} + 2 x^{2} + \left(4 t + 4\right) x + 6 t$
2.12.22.21 $x^{12} + 4 x^{10} - 4 x^{9} + 16 x^{8} + 38 x^{6} - 8 x^{5} + 16 x^{4} + 64 x^{3} + 4 x^{2} - 8 x + 4$ $2$ $6$ $2$ $22$ $A_4^2:C_4$ (as 12T159) $[3]$ $[8/3, 8/3, 8/3, 8/3, 3]_{3}^{6}$ $t^{2} + t + 1$ $x^{6} + 2 x^{4} + 4 t x^{3} + 6 x^{2} + 4 x + 2 t$
2.12.22.46 $x^{12} + 8 x^{11} + 16 x^{10} + 8 x^{9} + 38 x^{8} + 24 x^{7} + 30 x^{6} + 80 x^{5} + 12 x^{4} + 56 x^{3} + 72 x^{2} + 124$ $2$ $6$ $2$ $22$ $A_4^2:C_4$ (as 12T159) $[3]$ $[8/3, 8/3, 8/3, 8/3, 3]_{3}^{6}$ $t^{2} + t + 1$ $x^{6} + 4 x^{5} + 4 x^{3} + \left(2 t + 4\right) x^{2} + 10 t + 12$
2.12.22.51 $x^{12} - 4 x^{11} + 20 x^{10} - 8 x^{8} + 12 x^{7} + 34 x^{6} + 72 x^{5} + 8 x^{4} - 16 x^{3} + 4 x^{2} + 24 x + 36$ $2$ $6$ $2$ $22$ $A_4^2:C_4$ (as 12T159) $[3]$ $[4/3, 4/3, 4/3, 4/3, 3]_{3}^{6}$ $t^{2} + t + 1$ $x^{6} + 4 t x^{5} + 2 x^{4} + 4 x^{3} + 2 x^{2} + \left(4 t + 4\right) x + 6 t$
2.12.22.52 $x^{12} + 4 x^{11} + 16 x^{10} + 32 x^{9} + 28 x^{8} + 24 x^{7} + 38 x^{6} + 56 x^{5} + 72 x^{4} - 8 x^{3} + 60 x^{2} + 76$ $2$ $6$ $2$ $22$ $A_4^2:C_4$ (as 12T159) $[3]$ $[8/3, 8/3, 8/3, 8/3, 3]_{3}^{6}$ $t^{2} + t + 1$ $x^{6} + \left(4 t + 4\right) x^{5} + \left(4 t + 2\right) x^{4} + 4 x^{3} + \left(4 t + 2\right) x^{2} + 10 t + 4$
2.12.22.59 $x^{12} + 4 x^{11} + 20 x^{10} + 4 x^{9} + 32 x^{8} + 24 x^{7} + 54 x^{6} + 16 x^{4} + 64 x^{3} + 4 x^{2} - 8 x + 4$ $2$ $6$ $2$ $22$ $A_4^2:C_4$ (as 12T159) $[3]$ $[8/3, 8/3, 8/3, 8/3, 3]_{3}^{6}$ $t^{2} + t + 1$ $x^{6} + \left(4 t + 4\right) x^{5} + 2 x^{4} + 4 t x^{3} + 6 x^{2} + 4 x + 2 t$
2.12.22.66 $x^{12} + 12 x^{10} + 40 x^{8} - 4 x^{7} + 34 x^{6} - 24 x^{5} + 64 x^{4} - 8 x^{3} + 36 x^{2} + 64 x + 172$ $2$ $6$ $2$ $22$ $A_4^2:C_4$ (as 12T159) $[3]$ $[8/3, 8/3, 8/3, 8/3, 3]_{3}^{6}$ $t^{2} + t + 1$ $x^{6} + 6 x^{4} + 2 x^{2} + 4 t x + 14 t + 12$
2.12.22.68 $x^{12} + 8 x^{11} + 20 x^{10} + 12 x^{9} + 48 x^{7} + 78 x^{6} + 16 x^{5} + 32 x^{4} + 96 x^{3} + 52 x^{2} + 24 x + 84$ $2$ $6$ $2$ $22$ $A_4^2:C_4$ (as 12T159) $[3]$ $[8/3, 8/3, 8/3, 8/3, 3]_{3}^{6}$ $t^{2} + t + 1$ $x^{6} + 4 x^{5} + 2 x^{4} + 4 t x^{3} + 6 x^{2} + 4 x + 10 t + 8$
2.12.22.9 $x^{12} - 4 x^{11} + 20 x^{10} - 12 x^{9} + 48 x^{8} - 24 x^{7} + 30 x^{6} + 40 x^{5} + 32 x^{4} + 96 x^{3} + 52 x^{2} + 24 x + 84$ $2$ $6$ $2$ $22$ $A_4^2:C_4$ (as 12T159) $[3]$ $[8/3, 8/3, 8/3, 8/3, 3]_{3}^{6}$ $t^{2} + t + 1$ $x^{6} + 4 t x^{5} + 2 x^{4} + 4 t x^{3} + 6 x^{2} + 4 x + 10 t + 8$
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