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Label Polynomial Discriminant Galois group Class group Regulator
16.0.429...000.1 $x^{16} + 4 x^{14} + 14 x^{12} + 48 x^{10} + 164 x^{8} + 96 x^{6} + 56 x^{4} + 32 x^{2} + 16$ $2^{44}\cdot 5^{12}$ $C_4^2$ (as 16T4) $[5]$ $12198.9512748$
16.0.429...000.2 $x^{16} - 4 x^{14} + 14 x^{12} - 48 x^{10} + 164 x^{8} - 96 x^{6} + 56 x^{4} - 32 x^{2} + 16$ $2^{44}\cdot 5^{12}$ $C_4^2$ (as 16T4) trivial $42649.7127656$
16.0.568...625.1 $x^{16} - x^{15} - x^{14} + 7 x^{13} - 12 x^{12} + 13 x^{11} + 42 x^{10} - 137 x^{9} + 141 x^{8} + 262 x^{7} + 269 x^{6} + 182 x^{5} - 95 x^{4} + 21 x^{3} + 90 x^{2} + 108 x + 81$ $5^{12}\cdot 13^{12}$ $C_4^2$ (as 16T4) trivial $68071.7952641$
16.16.687...000.1 $x^{16} - 16 x^{14} + 104 x^{12} - 352 x^{10} + 659 x^{8} - 664 x^{6} + 316 x^{4} - 48 x^{2} + 1$ $2^{48}\cdot 5^{12}$ $C_4^2$ (as 16T4) trivial $1483566.93289$
16.0.687...000.2 $x^{16} + 16 x^{14} + 104 x^{12} + 352 x^{10} + 659 x^{8} + 664 x^{6} + 316 x^{4} + 48 x^{2} + 1$ $2^{48}\cdot 5^{12}$ $C_4^2$ (as 16T4) $[10]$ $3557.06767863$
16.0.142...625.1 $x^{16} - x^{15} + 7 x^{14} - 12 x^{13} + 52 x^{12} + 55 x^{11} + 238 x^{10} + 156 x^{9} + 1275 x^{8} - 156 x^{7} + 238 x^{6} - 55 x^{5} + 52 x^{4} + 12 x^{3} + 7 x^{2} + x + 1$ $5^{12}\cdot 17^{12}$ $C_4^2$ (as 16T4) $[5]$ $55081.0821685$
16.16.281...000.1 $x^{16} - 28 x^{14} + 266 x^{12} - 1104 x^{10} + 2264 x^{8} - 2352 x^{6} + 1184 x^{4} - 256 x^{2} + 16$ $2^{44}\cdot 3^{8}\cdot 5^{12}$ $C_4^2$ (as 16T4) trivial $38555497.5279$
16.16.281...000.2 $x^{16} - 4 x^{15} - 26 x^{14} + 116 x^{13} + 193 x^{12} - 1108 x^{11} - 316 x^{10} + 4348 x^{9} - 1044 x^{8} - 7132 x^{7} + 2894 x^{6} + 4760 x^{5} - 2020 x^{4} - 1036 x^{3} + 348 x^{2} + 56 x + 1$ $2^{44}\cdot 3^{8}\cdot 5^{12}$ $C_4^2$ (as 16T4) trivial $33542030.6703$
16.0.281...000.3 $x^{16} + 12 x^{14} + 126 x^{12} + 1296 x^{10} + 13284 x^{8} + 23328 x^{6} + 40824 x^{4} + 69984 x^{2} + 104976$ $2^{44}\cdot 3^{8}\cdot 5^{12}$ $C_4^2$ (as 16T4) $[4, 8]$ $135099.315411$
16.0.281...000.4 $x^{16} + 28 x^{14} + 266 x^{12} + 1104 x^{10} + 2264 x^{8} + 2352 x^{6} + 1184 x^{4} + 256 x^{2} + 16$ $2^{44}\cdot 3^{8}\cdot 5^{12}$ $C_4^2$ (as 16T4) $[10, 10]$ $16694.3932435$
16.0.281...000.5 $x^{16} - 12 x^{14} + 126 x^{12} - 1296 x^{10} + 13284 x^{8} - 23328 x^{6} + 40824 x^{4} - 69984 x^{2} + 104976$ $2^{44}\cdot 3^{8}\cdot 5^{12}$ $C_4^2$ (as 16T4) $[2, 10]$ $410912.925383$
16.0.281...000.6 $x^{16} - 4 x^{15} + 6 x^{14} + 4 x^{13} + 25 x^{12} - 180 x^{11} + 380 x^{10} - 148 x^{9} - 468 x^{8} + 932 x^{7} + 398 x^{6} - 8760 x^{5} + 32372 x^{4} - 47628 x^{3} + 35356 x^{2} - 20536 x + 22801$ $2^{44}\cdot 3^{8}\cdot 5^{12}$ $C_4^2$ (as 16T4) $[4, 8]$ $16694.3932435$
16.16.373...625.1 $x^{16} - x^{15} - 38 x^{14} + 18 x^{13} + 535 x^{12} + 24 x^{11} - 3437 x^{10} - 1638 x^{9} + 10110 x^{8} + 7313 x^{7} - 13981 x^{6} - 12302 x^{5} + 8419 x^{4} + 8699 x^{3} - 1399 x^{2} - 2083 x - 179$ $3^{8}\cdot 5^{12}\cdot 13^{12}$ $C_4^2$ (as 16T4) trivial $36293972.0338$
16.0.373...625.2 $x^{16} - 11 x^{14} - 12 x^{13} + 83 x^{12} - 96 x^{11} + 219 x^{10} - 294 x^{9} + 1304 x^{8} - 3846 x^{7} + 1788 x^{6} + 1980 x^{5} - 7933 x^{4} + 10752 x^{3} + 26944 x^{2} - 27624 x + 15856$ $3^{8}\cdot 5^{12}\cdot 13^{12}$ $C_4^2$ (as 16T4) $[2, 26]$ $49732.9681714$
16.0.373...625.3 $x^{16} - x^{15} + 12 x^{14} - 32 x^{13} + 170 x^{12} + 559 x^{11} + 1563 x^{10} + 3152 x^{9} + 8500 x^{8} + 10428 x^{7} + 13659 x^{6} + 15093 x^{5} + 15804 x^{4} - 3996 x^{3} + 1026 x^{2} - 243 x + 81$ $3^{8}\cdot 5^{12}\cdot 13^{12}$ $C_4^2$ (as 16T4) $[2, 26]$ $114579.196923$
16.0.863...625.1 $x^{16} - x^{15} - 3 x^{14} - 13 x^{13} + 22 x^{12} - 241 x^{11} + 482 x^{10} + 341 x^{9} + 2045 x^{8} - 7506 x^{7} + 18249 x^{6} - 36968 x^{5} + 67057 x^{4} - 111527 x^{3} + 162932 x^{2} - 243340 x + 279841$ $5^{12}\cdot 29^{12}$ $C_4^2$ (as 16T4) $[2, 4]$ $805904.787678$
16.0.372...000.2 $x^{16} - 4 x^{15} - 6 x^{14} + 58 x^{13} - 12 x^{12} - 198 x^{11} + 132 x^{10} + 62 x^{9} + 2251 x^{8} + 1998 x^{7} - 3846 x^{6} + 1288 x^{5} - 12245 x^{4} + 3244 x^{3} + 52255 x^{2} - 57018 x + 26861$ $2^{16}\cdot 5^{12}\cdot 13^{12}$ $C_4^2$ (as 16T4) $[4, 8]$ $103848.79652840877$
16.16.372...000.2 $x^{16} - 36 x^{14} + 484 x^{12} - 3122 x^{10} + 10204 x^{8} - 16444 x^{6} + 11821 x^{4} - 3408 x^{2} + 256$ $2^{16}\cdot 5^{12}\cdot 13^{12}$ $C_4^2$ (as 16T4) trivial $282140909.0828575$
16.0.372...000.3 $x^{16} + 13 x^{14} + 156 x^{12} + 1859 x^{10} + 22139 x^{8} + 24167 x^{6} + 26364 x^{4} + 28561 x^{2} + 28561$ $2^{16}\cdot 5^{12}\cdot 13^{12}$ $C_4^2$ (as 16T4) $[4, 8]$ $426560.11687903176$
16.0.409...096.1 $x^{16} - 4 x^{15} + 30 x^{14} - 68 x^{13} + 273 x^{12} - 468 x^{11} + 1236 x^{10} - 1660 x^{9} + 2356 x^{8} - 3756 x^{7} + 4134 x^{6} - 1280 x^{5} + 1444 x^{4} - 4436 x^{3} - 4652 x^{2} + 3912 x + 4241$ $2^{44}\cdot 13^{12}$ $C_4^2$ (as 16T4) $[5]$ $427842.96491379576$
16.0.409...096.2 $x^{16} - 4 x^{15} - 2 x^{14} + 44 x^{13} - 39 x^{12} - 52 x^{11} + 220 x^{10} - 108 x^{9} + 1364 x^{8} - 44 x^{7} + 998 x^{6} + 3472 x^{5} - 8980 x^{4} - 3988 x^{3} + 21012 x^{2} - 6952 x + 6241$ $2^{44}\cdot 13^{12}$ $C_4^2$ (as 16T4) $[5, 5]$ $108889.88555195347$
16.16.450...000.2 $x^{16} - 48 x^{14} + 936 x^{12} - 9504 x^{10} + 53379 x^{8} - 161352 x^{6} + 230364 x^{4} - 104976 x^{2} + 6561$ $2^{48}\cdot 3^{8}\cdot 5^{12}$ $C_4^2$ (as 16T4) $[2]$ $79148282.00629146$
16.0.450...000.5 $x^{16} - 8 x^{14} - 4 x^{12} + 96 x^{10} + 299 x^{8} + 648 x^{6} + 2984 x^{4} - 656 x^{2} + 6241$ $2^{48}\cdot 3^{8}\cdot 5^{12}$ $C_4^2$ (as 16T4) $[2, 2, 10]$ $135099.31541107458$
16.0.450...000.6 $x^{16} + 8 x^{14} - 4 x^{12} - 96 x^{10} + 299 x^{8} - 648 x^{6} + 2984 x^{4} + 656 x^{2} + 6241$ $2^{48}\cdot 3^{8}\cdot 5^{12}$ $C_4^2$ (as 16T4) $[2, 2, 2, 10]$ $85299.42553126559$
16.0.450...000.7 $x^{16} + 48 x^{14} + 936 x^{12} + 9504 x^{10} + 53379 x^{8} + 161352 x^{6} + 230364 x^{4} + 104976 x^{2} + 6561$ $2^{48}\cdot 3^{8}\cdot 5^{12}$ $C_4^2$ (as 16T4) $[2, 8, 40]$ $7114.135357253273$
16.0.450...000.12 $x^{16} - 24 x^{14} + 204 x^{12} - 768 x^{10} + 1739 x^{8} - 4536 x^{6} + 18216 x^{4} - 35952 x^{2} + 39601$ $2^{48}\cdot 3^{8}\cdot 5^{12}$ $C_4^2$ (as 16T4) $[2, 2, 2]$ $410912.9253825158$
16.0.450...000.13 $x^{16} + 24 x^{14} + 204 x^{12} + 768 x^{10} + 1739 x^{8} + 4536 x^{6} + 18216 x^{4} + 35952 x^{2} + 39601$ $2^{48}\cdot 3^{8}\cdot 5^{12}$ $C_4^2$ (as 16T4) $[2, 8, 16]$ $12198.951274811623$
16.16.933...625.1 $x^{16} - 43 x^{14} - 16 x^{13} + 648 x^{12} + 346 x^{11} - 4475 x^{10} - 2665 x^{9} + 15456 x^{8} + 9019 x^{7} - 26965 x^{6} - 13913 x^{5} + 21775 x^{4} + 8755 x^{3} - 5992 x^{2} - 1571 x - 89$ $3^{8}\cdot 5^{12}\cdot 17^{12}$ $C_4^2$ (as 16T4) trivial $179468398.8534908$
16.0.933...625.1 $x^{16} - x^{15} + 10 x^{14} + 2 x^{13} + 5 x^{12} + 206 x^{11} + 21 x^{10} + 179 x^{9} + 1811 x^{8} + 919 x^{7} + 18978 x^{6} + 10441 x^{5} + 59108 x^{4} - 125819 x^{3} - 212699 x^{2} - 102242 x + 1079671$ $3^{8}\cdot 5^{12}\cdot 17^{12}$ $C_4^2$ (as 16T4) $[10, 10]$ $76496.79137714463$
16.0.933...625.3 $x^{16} - x^{15} - 10 x^{14} + 22 x^{13} + 35 x^{12} + 106 x^{11} + 51 x^{10} - 2326 x^{9} + 51 x^{8} + 20074 x^{7} - 6222 x^{6} - 93589 x^{5} + 179453 x^{4} - 200044 x^{3} - 1543984 x^{2} + 140608 x + 7311616$ $3^{8}\cdot 5^{12}\cdot 17^{12}$ $C_4^2$ (as 16T4) $[2, 10]$ $886036.8840713138$
16.0.160...625.1 $x^{16} - x^{15} - 4 x^{14} + 2 x^{13} - 24 x^{12} - 193 x^{11} + 495 x^{10} + 540 x^{9} - 488 x^{8} + 3780 x^{7} + 24255 x^{6} - 66199 x^{5} - 57624 x^{4} + 33614 x^{3} - 470596 x^{2} - 823543 x + 5764801$ $5^{12}\cdot 37^{12}$ $C_4^2$ (as 16T4) $[5, 5]$ $1484842.58736$
16.0.550...625.1 $x^{16} - x^{15} + 16 x^{14} - 49 x^{13} + 311 x^{12} + 1323 x^{11} + 4288 x^{10} + 9763 x^{9} + 31987 x^{8} + 42566 x^{7} + 49432 x^{6} + 52344 x^{5} + 50896 x^{4} + 14752 x^{3} + 4224 x^{2} + 1152 x + 256$ $5^{12}\cdot 41^{12}$ $C_4^2$ (as 16T4) $[4, 20]$ $1050930.24893$
16.0.655...536.1 $x^{16} + 40 x^{14} + 572 x^{12} + 3680 x^{10} + 11579 x^{8} + 18232 x^{6} + 13832 x^{4} + 4688 x^{2} + 529$ $2^{48}\cdot 13^{12}$ $C_4^2$ (as 16T4) $[5, 5, 10]$ $109807.01911694401$
16.16.655...536.1 $x^{16} - 40 x^{14} + 572 x^{12} - 3680 x^{10} + 11579 x^{8} - 18232 x^{6} + 13832 x^{4} - 4688 x^{2} + 529$ $2^{48}\cdot 13^{12}$ $C_4^2$ (as 16T4) trivial $411384624.9155599$
16.16.932...000.1 $x^{16} - 4 x^{15} - 38 x^{14} + 142 x^{13} + 512 x^{12} - 1790 x^{11} - 3022 x^{10} + 10314 x^{9} + 8440 x^{8} - 29394 x^{7} - 11572 x^{6} + 41790 x^{5} + 8077 x^{4} - 27422 x^{3} - 3558 x^{2} + 6564 x + 956$ $2^{16}\cdot 5^{12}\cdot 17^{12}$ $C_4^2$ (as 16T4) trivial $1218421193.9371946$
16.0.932...000.2 $x^{16} - 17 x^{14} + 221 x^{12} - 2601 x^{10} + 29189 x^{8} - 176868 x^{6} + 1021904 x^{4} - 5345344 x^{2} + 21381376$ $2^{16}\cdot 5^{12}\cdot 17^{12}$ $C_4^2$ (as 16T4) $[4, 8]$ $2001852.022248575$
16.0.932...000.3 $x^{16} + 24 x^{14} + 264 x^{12} + 1218 x^{10} - 1666 x^{8} - 20064 x^{6} + 52041 x^{4} - 1878 x^{2} + 3481$ $2^{16}\cdot 5^{12}\cdot 17^{12}$ $C_4^2$ (as 16T4) $[4, 40]$ $229864.8182635129$
16.16.102...576.1 $x^{16} - 4 x^{15} - 34 x^{14} + 128 x^{13} + 405 x^{12} - 1432 x^{11} - 2170 x^{10} + 7268 x^{9} + 5686 x^{8} - 17924 x^{7} - 7538 x^{6} + 21352 x^{5} + 4801 x^{4} - 10640 x^{3} - 1282 x^{2} + 1124 x + 191$ $2^{44}\cdot 17^{12}$ $C_4^2$ (as 16T4) trivial $1179476773.631501$
16.0.102...576.2 $x^{16} - 4 x^{15} - 2 x^{14} + 16 x^{13} + 77 x^{12} - 152 x^{11} - 34 x^{10} - 444 x^{9} - 914 x^{8} + 2364 x^{7} + 9326 x^{6} + 8376 x^{5} + 56089 x^{4} - 6224 x^{3} + 48294 x^{2} - 540 x + 29207$ $2^{44}\cdot 17^{12}$ $C_4^2$ (as 16T4) $[4, 52]$ $103646.40189541418$
16.0.135...041.2 $x^{16} - 19 x^{14} - 28 x^{13} + 176 x^{12} + 178 x^{11} - 389 x^{10} - 1671 x^{9} + 3890 x^{8} + 9181 x^{7} + 8065 x^{6} - 17091 x^{5} - 27083 x^{4} + 27781 x^{3} + 45006 x^{2} - 36777 x + 23699$ $13^{12}\cdot 17^{12}$ $C_4^2$ (as 16T4) $[2, 2, 10]$ $534329.701793$
16.16.247...000.1 $x^{16} - 48 x^{14} + 696 x^{12} - 4184 x^{10} + 11384 x^{8} - 13472 x^{6} + 5864 x^{4} - 736 x^{2} + 16$ $2^{44}\cdot 5^{12}\cdot 7^{8}$ $C_4^2$ (as 16T4) trivial $897957134.815141$
16.0.247...000.2 $x^{16} - 4 x^{15} - 14 x^{14} + 84 x^{13} + 135 x^{12} - 1140 x^{11} - 100 x^{10} + 7832 x^{9} - 3713 x^{8} - 26568 x^{7} - 772 x^{6} + 29700 x^{5} + 347147 x^{4} - 604188 x^{3} - 261314 x^{2} + 228044 x + 1113751$ $2^{44}\cdot 5^{12}\cdot 7^{8}$ $C_4^2$ (as 16T4) $[2, 170]$ $69472.20870795674$
16.16.247...000.2 $x^{16} - 4 x^{15} - 46 x^{14} + 196 x^{13} + 703 x^{12} - 3348 x^{11} - 4076 x^{10} + 25128 x^{9} + 4831 x^{8} - 86152 x^{7} + 29964 x^{6} + 123300 x^{5} - 83845 x^{4} - 47356 x^{3} + 50918 x^{2} - 10884 x + 191$ $2^{44}\cdot 5^{12}\cdot 7^{8}$ $C_4^2$ (as 16T4) trivial $673805748.205718$
16.0.247...000.3 $x^{16} + 48 x^{14} + 696 x^{12} + 4184 x^{10} + 11384 x^{8} + 13472 x^{6} + 5864 x^{4} + 736 x^{2} + 16$ $2^{44}\cdot 5^{12}\cdot 7^{8}$ $C_4^2$ (as 16T4) $[8, 40]$ $69472.20870795674$
16.0.247...000.4 $x^{16} - 28 x^{14} + 686 x^{12} - 16464 x^{10} + 393764 x^{8} - 1613472 x^{6} + 6588344 x^{4} - 26353376 x^{2} + 92236816$ $2^{44}\cdot 5^{12}\cdot 7^{8}$ $C_4^2$ (as 16T4) $[8, 8]$ $1983602.7194309747$
16.0.247...000.5 $x^{16} + 28 x^{14} + 686 x^{12} + 16464 x^{10} + 393764 x^{8} + 1613472 x^{6} + 6588344 x^{4} + 26353376 x^{2} + 92236816$ $2^{44}\cdot 5^{12}\cdot 7^{8}$ $C_4^2$ (as 16T4) $[2, 170]$ $756104.7648687996$
16.0.327...625.1 $x^{16} - 31 x^{14} - 2 x^{13} + 458 x^{12} - 376 x^{11} - 2816 x^{10} + 4356 x^{9} + 13769 x^{8} - 39196 x^{7} - 37967 x^{6} + 192150 x^{5} - 77783 x^{4} - 416788 x^{3} + 772584 x^{2} + 40056 x + 250721$ $5^{12}\cdot 7^{8}\cdot 13^{12}$ $C_4^2$ (as 16T4) $[4, 40]$ $162215.76213779865$
16.16.327...625.1 $x^{16} - x^{15} - 75 x^{14} + 29 x^{13} + 2024 x^{12} + 527 x^{11} - 24414 x^{10} - 18647 x^{9} + 132021 x^{8} + 143796 x^{7} - 298501 x^{6} - 431294 x^{5} + 137649 x^{4} + 453033 x^{3} + 232820 x^{2} + 33022 x - 1889$ $5^{12}\cdot 7^{8}\cdot 13^{12}$ $C_4^2$ (as 16T4) trivial $956063383.6451516$
16.0.327...625.3 $x^{16} - x^{15} + 25 x^{14} - 71 x^{13} + 664 x^{12} + 2717 x^{11} + 14056 x^{10} + 38603 x^{9} + 219711 x^{8} + 318736 x^{7} + 672889 x^{6} + 1023646 x^{5} + 1741879 x^{4} - 1221277 x^{3} + 992380 x^{2} - 536558 x + 707281$ $5^{12}\cdot 7^{8}\cdot 13^{12}$ $C_4^2$ (as 16T4) $[4, 40]$ $925356.94221623$
16.0.954...000.1 $x^{16} - 4 x^{15} + 54 x^{14} - 152 x^{13} + 1083 x^{12} - 2508 x^{11} + 11142 x^{10} - 23128 x^{9} + 63226 x^{8} - 128412 x^{7} + 222174 x^{6} - 365252 x^{5} + 530650 x^{4} - 568676 x^{3} + 537460 x^{2} - 655308 x + 394481$ $2^{24}\cdot 5^{12}\cdot 13^{12}$ $C_4^2$ (as 16T4) $[2, 20]$ $1609101.0076496245$
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