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Label Polynomial Discriminant Galois group Class group Regulator
12.0.1181587578125.1 $x^{12} - 2 x^{11} + 2 x^{10} + 2 x^{9} - 3 x^{8} + x^{7} + 3 x^{6} + x^{5} - 3 x^{4} + 2 x^{3} + 2 x^{2} - 2 x + 1$ $5^{7}\cdot 3889^{2}$ $S_4^2:C_4$ (as 12T237) trivial $9.71322600677$
12.0.2071265703125.1 $x^{12} - 2 x^{11} + 6 x^{10} - 7 x^{9} + 12 x^{8} - 7 x^{7} + 10 x^{6} - 7 x^{5} + 12 x^{4} - 7 x^{3} + 6 x^{2} - 2 x + 1$ $5^{7}\cdot 19^{2}\cdot 271^{2}$ $S_4^2:C_4$ (as 12T237) trivial $17.5482156786$
12.4.2157423828125.1 $x^{12} - 3 x^{10} - 3 x^{9} + 3 x^{8} + 2 x^{7} - 5 x^{6} + 2 x^{5} + 3 x^{4} - 3 x^{3} - 3 x^{2} + 1$ $5^{9}\cdot 1051^{2}$ $S_4^2:C_4$ (as 12T237) trivial $23.2281234251$
12.4.3715220000000.1 $x^{12} - x^{11} - x^{10} - 3 x^{9} - x^{8} + 12 x^{7} + 9 x^{6} - 12 x^{5} - 13 x^{4} - x^{3} + 6 x^{2} + 4 x - 1$ $2^{8}\cdot 5^{7}\cdot 431^{2}$ $S_4^2:C_4$ (as 12T237) trivial $32.3141735103$
12.4.5016263203125.1 $x^{12} - 6 x^{11} + 14 x^{10} - 15 x^{9} + x^{8} + 20 x^{7} - 22 x^{6} - x^{5} + 9 x^{4} + 4 x^{3} - 8 x^{2} + 3 x + 1$ $3^{2}\cdot 5^{7}\cdot 2671^{2}$ $S_4^2:C_4$ (as 12T237) trivial $39.3572972049$
12.4.6184110078125.1 $x^{12} - 6 x^{11} + 14 x^{10} - 15 x^{9} + 4 x^{8} + 8 x^{7} - 6 x^{6} - 7 x^{5} + 9 x^{4} - 7 x^{2} + 5 x - 1$ $5^{7}\cdot 7^{2}\cdot 31^{2}\cdot 41^{2}$ $S_4^2:C_4$ (as 12T237) trivial $42.4790650532$
12.4.6435451250000.1 $x^{12} - 2 x^{10} + x^{6} - x^{4} - 5 x^{2} + 5$ $2^{4}\cdot 5^{7}\cdot 2269^{2}$ $S_4^2:C_4$ (as 12T237) trivial $51.5621993086$
12.0.6728000000000.1 $x^{12} + 2 x^{10} - 2 x^{9} + 3 x^{8} - 2 x^{7} - 2 x^{5} + 3 x^{4} - 2 x^{3} + 2 x^{2} + 1$ $2^{12}\cdot 5^{9}\cdot 29^{2}$ $S_4^2:C_4$ (as 12T237) trivial $27.428544702659103$
12.4.7556814453125.1 $x^{12} - 2 x^{11} - 5 x^{10} + 9 x^{9} + 10 x^{8} - 14 x^{7} - 3 x^{6} + 2 x^{5} - 6 x^{4} + 6 x^{3} - 2 x^{2} + 4 x + 1$ $5^{9}\cdot 7^{2}\cdot 281^{2}$ $S_4^2:C_4$ (as 12T237) trivial $46.1267786085$
12.4.7701956328125.1 $x^{12} - x^{10} - 2 x^{9} - 2 x^{8} + x^{7} + x^{6} + x^{5} - 2 x^{4} - 2 x^{3} - x^{2} + 1$ $5^{7}\cdot 9929^{2}$ $S_4^2:C_4$ (as 12T237) trivial $52.2154264178$
12.0.9063628203125.1 $x^{12} + x^{10} - x^{9} + 2 x^{7} - x^{6} + 2 x^{5} - x^{3} + x^{2} + 1$ $5^{7}\cdot 10771^{2}$ $S_4^2:C_4$ (as 12T237) trivial $45.1564505334$
12.4.9356132083073.1 $x^{12} - 3 x^{11} + 4 x^{10} - 4 x^{9} - x^{8} + 3 x^{7} + x^{6} + 3 x^{5} - x^{4} - 4 x^{3} + 4 x^{2} - 3 x + 1$ $17^{7}\cdot 151^{2}$ $S_4^2:C_4$ (as 12T237) trivial $53.44854561533214$
12.4.10027050078125.1 $x^{12} - x^{11} - 2 x^{10} + 3 x^{9} - 2 x^{8} - 3 x^{7} + 3 x^{6} - 3 x^{5} - 2 x^{4} + 3 x^{3} - 2 x^{2} - x + 1$ $5^{7}\cdot 11329^{2}$ $S_4^2:C_4$ (as 12T237) trivial $57.8455667552$
12.4.15565095703125.1 $x^{12} - 3 x^{11} + 11 x^{9} - 8 x^{8} - 13 x^{7} + 13 x^{6} + 13 x^{5} - 8 x^{4} - 11 x^{3} + 3 x + 1$ $3^{2}\cdot 5^{9}\cdot 941^{2}$ $S_4^2:C_4$ (as 12T237) trivial $81.94423533884684$
12.0.29618737578125.1 $x^{12} - 2 x^{11} + x^{10} + 3 x^{9} - 3 x^{8} - 2 x^{7} + 5 x^{6} - 2 x^{5} - 3 x^{4} + 3 x^{3} + x^{2} - 2 x + 1$ $5^{7}\cdot 19471^{2}$ $S_4^2:C_4$ (as 12T237) trivial $61.2647146174$
12.0.38361037578125.1 $x^{12} - x^{11} - x^{10} + 3 x^{9} + x^{8} - x^{7} + x^{6} - x^{5} + x^{4} + 3 x^{3} - x^{2} - x + 1$ $5^{7}\cdot 22159^{2}$ $S_4^2:C_4$ (as 12T237) trivial $88.51663366874324$
12.4.69317606953125.1 $x^{12} - 2 x^{11} - 2 x^{9} + x^{8} + 3 x^{7} + 3 x^{6} + 3 x^{5} + x^{4} - 2 x^{3} - 2 x + 1$ $3^{2}\cdot 5^{7}\cdot 9929^{2}$ $S_4^2:C_4$ (as 12T237) trivial $183.529149107$
12.0.72705206386688.1 $x^{12} + 2 x^{10} + 5 x^{8} + 24 x^{6} + 22 x^{4} + 12 x^{2} + 2$ $2^{37}\cdot 23^{2}$ $S_4^2:C_4$ (as 12T237) trivial $418.557184107$
12.4.72705206386688.1 $x^{12} - 6 x^{10} + 5 x^{8} + 8 x^{6} - 2 x^{4} - 4 x^{2} + 2$ $2^{37}\cdot 23^{2}$ $S_4^2:C_4$ (as 12T237) trivial $305.879772973$
12.8.116674689453125.1 $x^{12} - 3 x^{11} - 6 x^{10} + 25 x^{9} + 4 x^{8} - 71 x^{7} + 33 x^{6} + 74 x^{5} - 64 x^{4} - 12 x^{3} + 29 x^{2} - 10 x + 1$ $5^{9}\cdot 59^{2}\cdot 131^{2}$ $S_4^2:C_4$ (as 12T237) trivial $426.014564378$
12.8.120080626953125.1 $x^{12} - x^{11} - 8 x^{10} + 4 x^{9} + 21 x^{8} - 17 x^{7} - 39 x^{6} + 29 x^{5} + 48 x^{4} - 12 x^{3} - 23 x^{2} - 3 x + 1$ $5^{9}\cdot 7841^{2}$ $S_4^2:C_4$ (as 12T237) trivial $418.672230243$
12.8.224818651250000.1 $x^{12} - 5 x^{10} + 4 x^{8} + 24 x^{4} - 25 x^{2} + 5$ $2^{4}\cdot 5^{7}\cdot 13411^{2}$ $S_4^2:C_4$ (as 12T237) trivial $723.387865527$
12.8.264764548828125.1 $x^{12} - 3 x^{11} - 3 x^{10} + 13 x^{9} + 3 x^{8} - 16 x^{7} - 19 x^{6} + 23 x^{5} + 41 x^{4} - 61 x^{3} - 3 x^{2} + 44 x - 19$ $3^{2}\cdot 5^{9}\cdot 3881^{2}$ $S_4^2:C_4$ (as 12T237) trivial $628.571652529$
12.0.290820825546752.1 $x^{12} + 4 x^{8} - 4 x^{6} - 3 x^{4} + 4 x^{2} + 2$ $2^{39}\cdot 23^{2}$ $S_4^2:C_4$ (as 12T237) trivial $425.778377601$
12.4.290820825546752.1 $x^{12} - 2 x^{10} + 5 x^{8} - 24 x^{6} + 22 x^{4} - 12 x^{2} + 2$ $2^{39}\cdot 23^{2}$ $S_4^2:C_4$ (as 12T237) trivial $1010.50704075$
12.0.290820825546752.2 $x^{12} + 6 x^{10} + 5 x^{8} - 8 x^{6} - 2 x^{4} + 4 x^{2} + 2$ $2^{39}\cdot 23^{2}$ $S_4^2:C_4$ (as 12T237) trivial $451.435903969$
12.4.290820825546752.2 $x^{12} + 4 x^{8} + 4 x^{6} - 3 x^{4} - 4 x^{2} + 2$ $2^{39}\cdot 23^{2}$ $S_4^2:C_4$ (as 12T237) trivial $979.849197697$
12.4.302126794453125.1 $x^{12} - x^{11} - x^{10} + x^{9} - 3 x^{8} - x^{7} - x^{6} - x^{5} - 3 x^{4} + x^{3} - x^{2} - x + 1$ $3^{2}\cdot 5^{7}\cdot 19^{2}\cdot 1091^{2}$ $S_4^2:C_4$ (as 12T237) trivial $400.586504245$
12.8.302126794453125.1 $x^{12} - 9 x^{10} - 11 x^{9} + 5 x^{8} + 22 x^{7} + 29 x^{6} + 22 x^{5} + 5 x^{4} - 11 x^{3} - 9 x^{2} + 1$ $3^{2}\cdot 5^{7}\cdot 19^{2}\cdot 1091^{2}$ $S_4^2:C_4$ (as 12T237) trivial $767.3616379$
12.8.495410580000000.1 $x^{12} - x^{11} - 11 x^{10} + 9 x^{9} + 47 x^{8} - 42 x^{7} - 81 x^{6} + 88 x^{5} + 49 x^{4} - 75 x^{3} + 20 x - 5$ $2^{8}\cdot 3^{4}\cdot 5^{7}\cdot 7^{2}\cdot 79^{2}$ $S_4^2:C_4$ (as 12T237) trivial $970.539827361$
12.4.717439927058432.1 $x^{12} - 12 x^{8} - 4 x^{6} + 21 x^{4} + 20 x^{2} + 2$ $2^{33}\cdot 17^{4}$ $S_4^2:C_4$ (as 12T237) trivial $1339.10305164$
12.0.1008200000000000.1 $x^{12} + 10 x^{10} + 40 x^{8} + 80 x^{6} + 80 x^{4} + 35 x^{2} + 5$ $2^{12}\cdot 5^{11}\cdot 71^{2}$ $S_4^2:C_4$ (as 12T237) $[2]$ $134.1622300151763$
12.4.1027371533203125.1 $x^{12} - 3 x^{11} + x^{10} - 5 x^{9} + 5 x^{8} - 3 x^{7} + 9 x^{6} - 3 x^{5} + 5 x^{4} - 5 x^{3} + x^{2} - 3 x + 1$ $3^{2}\cdot 5^{11}\cdot 11^{2}\cdot 139^{2}$ $S_4^2:C_4$ (as 12T237) trivial $738.9379603482661$
12.4.1056349293828125.1 $x^{12} - 2 x^{11} - 5 x^{10} - 5 x^{9} + 24 x^{8} + 28 x^{7} + 4 x^{6} - 20 x^{5} + 14 x^{4} + 25 x^{3} + 6 x^{2} - 8 x - 1$ $5^{7}\cdot 11^{4}\cdot 31^{4}$ $S_4^2:C_4$ (as 12T237) trivial $726.9561072075427$
12.4.1141260857376768.4 $x^{12} - 12 x^{8} - 16 x^{6} + 36 x^{4} + 96 x^{2} + 32$ $2^{31}\cdot 3^{12}$ $S_4^2:C_4$ (as 12T237) trivial $4272.54928936$
12.0.1163283302187008.1 $x^{12} + 4 x^{10} + 8 x^{8} + 12 x^{6} + 11 x^{4} + 8 x^{2} + 2$ $2^{41}\cdot 23^{2}$ $S_4^2:C_4$ (as 12T237) $[2]$ $443.867453148$
12.4.1163283302187008.1 $x^{12} - 6 x^{10} + 23 x^{8} - 48 x^{6} + 46 x^{4} - 20 x^{2} + 2$ $2^{41}\cdot 23^{2}$ $S_4^2:C_4$ (as 12T237) trivial $2097.50635417$
12.0.1163283302187008.2 $x^{12} + 6 x^{10} + 23 x^{8} + 48 x^{6} + 46 x^{4} + 20 x^{2} + 2$ $2^{41}\cdot 23^{2}$ $S_4^2:C_4$ (as 12T237) trivial $814.606842994$
12.4.1163283302187008.2 $x^{12} - 4 x^{10} + 8 x^{8} - 12 x^{6} + 11 x^{4} - 8 x^{2} + 2$ $2^{41}\cdot 23^{2}$ $S_4^2:C_4$ (as 12T237) trivial $2204.6134854$
12.0.1163283302187008.3 $x^{12} + 4 x^{10} + 6 x^{8} + 4 x^{6} + 7 x^{4} + 16 x^{2} + 8$ $2^{41}\cdot 23^{2}$ $S_4^2:C_4$ (as 12T237) trivial $974.033082494$
12.4.1163283302187008.3 $x^{12} - 4 x^{10} + 6 x^{8} - 4 x^{6} + 7 x^{4} - 16 x^{2} + 8$ $2^{41}\cdot 23^{2}$ $S_4^2:C_4$ (as 12T237) trivial $1873.44446254$
12.0.1163283302187008.4 $x^{12} + 2 x^{10} - x^{8} + 8 x^{4} + 16 x^{2} + 8$ $2^{41}\cdot 23^{2}$ $S_4^2:C_4$ (as 12T237) trivial $1056.15680155$
12.4.1163283302187008.4 $x^{12} - 2 x^{10} - x^{8} + 8 x^{4} - 16 x^{2} + 8$ $2^{41}\cdot 23^{2}$ $S_4^2:C_4$ (as 12T237) trivial $2006.09808968$
12.4.1240804736328125.1 $x^{12} - 2 x^{11} + 11 x^{10} - 20 x^{9} + 30 x^{8} - 52 x^{7} - 11 x^{6} + 3 x^{5} - 65 x^{4} + 80 x^{3} - 59 x^{2} - 12 x + 1$ $5^{11}\cdot 71^{4}$ $S_4^2:C_4$ (as 12T237) $[2]$ $418.7100827562533$
12.4.1722368000000000.1 $x^{12} + 3 x^{10} - 6 x^{8} - 13 x^{6} + 16 x^{4} - 5 x^{2} + 5$ $2^{20}\cdot 5^{9}\cdot 29^{2}$ $S_4^2:C_4$ (as 12T237) trivial $1130.0580465869289$
12.4.1942943768526848.1 $x^{12} - 3 x^{11} + 2 x^{10} - 5 x^{9} + 15 x^{8} - 24 x^{7} + 36 x^{6} - 24 x^{5} + 15 x^{4} - 5 x^{3} + 2 x^{2} - 3 x + 1$ $2^{14}\cdot 17^{9}$ $S_4^2:C_4$ (as 12T237) trivial $3358.39990582$
12.4.1983246246084608.1 $x^{12} - 4 x^{11} + 4 x^{10} + 8 x^{7} - 22 x^{6} + 12 x^{5} - 2 x^{4} + 16 x^{2} - 8 x - 7$ $2^{31}\cdot 31^{4}$ $S_4^2:C_4$ (as 12T237) trivial $2615.7754429$
12.4.2403815886159872.1 $x^{12} - 4 x^{10} - 4 x^{9} + 8 x^{8} + 32 x^{7} + 22 x^{6} - 24 x^{5} - 96 x^{4} - 172 x^{3} - 172 x^{2} - 88 x - 17$ $2^{33}\cdot 23^{4}$ $S_4^2:C_4$ (as 12T237) trivial $2184.09941956$
12.0.2403815886159872.15 $x^{12} - 4 x^{9} - 2 x^{8} + 8 x^{7} - 14 x^{6} + 8 x^{5} + 26 x^{4} + 116 x^{3} + 220 x^{2} + 112 x + 71$ $2^{33}\cdot 23^{4}$ $S_4^2:C_4$ (as 12T237) trivial $840.244958527$
12.0.2403815886159872.16 $x^{12} - 4 x^{11} + 6 x^{10} - 8 x^{9} + 17 x^{8} - 24 x^{7} + 34 x^{6} - 132 x^{5} + 393 x^{4} - 664 x^{3} + 652 x^{2} - 352 x + 82$ $2^{33}\cdot 23^{4}$ $S_4^2:C_4$ (as 12T237) $[2]$ $462.474534892$
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