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Label Polynomial Discriminant Galois group Class group Regulator
20.0.169...857.1 $x^{20} - x^{19} + 2 x^{18} + 3 x^{17} - 6 x^{16} + 23 x^{15} - 13 x^{14} + 7 x^{13} + 34 x^{12} - 50 x^{11} + 81 x^{10} - 50 x^{9} + 34 x^{8} + 7 x^{7} - 13 x^{6} + 23 x^{5} - 6 x^{4} + 3 x^{3} + 2 x^{2} - x + 1$ $3^{10}\cdot 17^{15}$ $F_5$ (as 20T5) $[2]$ $1314.30559263$
20.0.439...000.1 $x^{20} - 2 x^{18} - 7 x^{16} - 2 x^{14} + 28 x^{12} + 52 x^{10} + 55 x^{8} + 38 x^{6} + 19 x^{4} + 2 x^{2} + 1$ $2^{20}\cdot 5^{6}\cdot 173^{6}$ $S_6:C_2$ (as 20T201) $[2]$ $4794.3370869$
20.0.155...521.1 $x^{20} - 4 x^{19} + 15 x^{18} - 45 x^{17} + 88 x^{16} - 109 x^{15} + 84 x^{14} - 29 x^{13} - 23 x^{12} + 55 x^{11} - 65 x^{10} + 55 x^{9} - 23 x^{8} - 29 x^{7} + 84 x^{6} - 109 x^{5} + 88 x^{4} - 45 x^{3} + 15 x^{2} - 4 x + 1$ $11^{18}\cdot 23^{4}$ $C_2\wr C_5$ (as 20T44) $[2]$ $38489.7797463$
20.0.155...521.2 $x^{20} - 9 x^{19} + 39 x^{18} - 105 x^{17} + 198 x^{16} - 298 x^{15} + 427 x^{14} - 644 x^{13} + 952 x^{12} - 1254 x^{11} + 1420 x^{10} - 1386 x^{9} + 1201 x^{8} - 964 x^{7} + 727 x^{6} - 496 x^{5} + 297 x^{4} - 156 x^{3} + 62 x^{2} - 12 x + 1$ $11^{18}\cdot 23^{4}$ $C_2\wr C_5$ (as 20T44) $[2]$ $33530.4522688$
20.0.186...656.2 $x^{20} - x^{18} + x^{14} - x^{12} + x^{10} - x^{8} + x^{6} - x^{2} + 1$ $2^{20}\cdot 36497^{4}$ $C_3^5.D_6$ (as 20T669) $[2]$ $3294.78417114$
20.0.211...000.1 $x^{20} + 5 x^{16} - 8 x^{15} + 20 x^{14} + 10 x^{13} - 40 x^{11} + 14 x^{10} + 50 x^{9} + 50 x^{8} + 20 x^{7} - 42 x^{5} - 25 x^{4} + 20 x^{3} + 30 x^{2} + 10 x + 1$ $2^{20}\cdot 5^{23}\cdot 13^{2}$ $C_2\wr F_5$ (as 20T135) $[2]$ $5072.34939119$
20.0.232...696.1 $x^{20} - x^{12} + x^{10} - x^{8} + 1$ $2^{20}\cdot 38569^{4}$ $C_3^5.D_6$ (as 20T669) $[2]$ $4040.93869492$
20.0.249...264.1 $x^{20} + 2 x^{18} + x^{16} - 18 x^{12} + 12 x^{10} - 2 x^{8} + 81 x^{4} - 14 x^{2} + 1$ $2^{42}\cdot 7^{6}\cdot 13^{6}$ $C_2\times S_6$ (as 20T199) $[2]$ $25382.7701635$
20.0.422...744.1 $x^{20} - 10 x^{19} + 50 x^{18} - 162 x^{17} + 381 x^{16} - 696 x^{15} + 1032 x^{14} - 1242 x^{13} + 1134 x^{12} - 648 x^{11} + 484 x^{9} - 611 x^{8} + 428 x^{7} - 136 x^{6} - 84 x^{5} + 164 x^{4} - 136 x^{3} + 72 x^{2} - 24 x + 4$ $2^{30}\cdot 89^{8}$ $C_2^4:S_5$ (as 20T226) $[2]$ $33768.3641595$
20.0.422...744.4 $x^{20} + 4 x^{18} + 2 x^{16} + 18 x^{14} - 3 x^{12} + 20 x^{10} - 3 x^{8} + 18 x^{6} + 2 x^{4} + 4 x^{2} + 1$ $2^{30}\cdot 89^{8}$ $C_2^8.S_5$ (as 20T555) $[2]$ $7597.34950737$
20.0.563...112.1 $x^{20} - 9 x^{19} + 30 x^{18} - 36 x^{17} - 34 x^{16} + 151 x^{15} - 136 x^{14} - 126 x^{13} + 475 x^{12} - 528 x^{11} - 8 x^{10} + 784 x^{9} - 922 x^{8} + 254 x^{7} + 384 x^{6} - 486 x^{5} + 321 x^{4} - 153 x^{3} + 38 x^{2} + 1$ $2^{16}\cdot 13^{15}\cdot 41^{2}$ $C_2\wr F_5$ (as 20T135) $[2]$ $5850.32452581$
20.0.680...129.1 $x^{20} - 8 x^{19} + 33 x^{18} - 96 x^{17} + 225 x^{16} - 428 x^{15} + 639 x^{14} - 722 x^{13} + 605 x^{12} - 426 x^{11} + 458 x^{10} - 746 x^{9} + 1001 x^{8} - 1010 x^{7} + 873 x^{6} - 694 x^{5} + 455 x^{4} - 214 x^{3} + 66 x^{2} - 12 x + 1$ $11^{16}\cdot 23^{6}$ $C_2^4:C_5$ (as 20T17) $[2]$ $7947.13273942$
20.0.680...129.2 $x^{20} - 3 x^{19} + 14 x^{18} - 33 x^{17} + 85 x^{16} - 156 x^{15} + 281 x^{14} - 417 x^{13} + 590 x^{12} - 734 x^{11} + 869 x^{10} - 875 x^{9} + 908 x^{8} - 679 x^{7} + 668 x^{6} - 321 x^{5} + 303 x^{4} - 77 x^{3} + 42 x^{2} - 4 x + 1$ $11^{16}\cdot 23^{6}$ $C_2\wr C_5$ (as 20T46) $[2]$ $6484.27631918$
20.0.783...681.1 $x^{20} - 9 x^{18} + 12 x^{16} + 96 x^{14} - 94 x^{12} + 144 x^{10} + 416 x^{8} - 153 x^{6} + 130 x^{4} + 135 x^{2} + 49$ $7^{2}\cdot 53^{6}\cdot 139^{6}$ $C_3^5.D_6$ (as 20T664) $[2]$ $7415.35297835$
20.0.991...808.1 $x^{20} - 4 x^{19} + 8 x^{18} - 10 x^{17} + 12 x^{16} - 15 x^{15} + 13 x^{14} - 15 x^{13} + 37 x^{12} - 40 x^{11} - 76 x^{10} + 231 x^{9} - 142 x^{8} - 227 x^{7} + 493 x^{6} - 327 x^{5} - x^{4} + 103 x^{3} + 65 x^{2} + 14 x + 1$ $2^{10}\cdot 7^{10}\cdot 17^{11}$ $C_2^8.(C_4\times D_5)$ (as 20T426) $[2]$ $7434.52259447$
20.0.992...776.1 $x^{20} - 2 x^{18} - 17 x^{16} - 3 x^{14} + 85 x^{12} + 208 x^{10} + 439 x^{8} - 195 x^{6} + 229 x^{4} - 17 x^{2} + 1$ $2^{20}\cdot 79^{10}$ $D_{10}$ (as 20T4) $[3]$ $19807.0930625$
20.0.128...000.1 $x^{20} + 5 x^{16} - 4 x^{15} + 30 x^{14} + 20 x^{13} + 25 x^{12} + 60 x^{11} + 46 x^{10} + 60 x^{9} + 25 x^{8} + 20 x^{7} + 30 x^{6} - 4 x^{5} + 5 x^{4} + 1$ $2^{30}\cdot 5^{23}$ $F_5$ (as 20T5) $[2]$ $26927.8287731$
20.0.152...384.1 $x^{20} - 2 x^{19} + 6 x^{18} - 8 x^{17} + 16 x^{16} - 14 x^{15} + 32 x^{14} - 12 x^{13} + 32 x^{12} + 8 x^{11} + 48 x^{10} - 16 x^{9} + 48 x^{8} + 8 x^{7} + 24 x^{6} + 8 x^{5} + 32 x^{4} + 16 x^{3} + 32 x^{2} + 16 x + 16$ $2^{16}\cdot 3^{10}\cdot 89^{8}$ $S_5$ (as 20T32) $[2]$ $64033.5089322$
20.0.158...424.1 $x^{20} - 4 x^{19} + 10 x^{18} - 16 x^{17} + 15 x^{16} + 20 x^{15} - 62 x^{14} - 36 x^{13} + 456 x^{12} - 1288 x^{11} + 1928 x^{10} - 862 x^{9} - 1680 x^{8} + 1604 x^{7} + 4435 x^{6} - 12624 x^{5} + 15361 x^{4} - 11076 x^{3} + 4962 x^{2} - 1296 x + 153$ $2^{20}\cdot 3^{10}\cdot 761^{5}$ $D_5^2:C_2^2$ (as 20T92) $[2]$ $21318.5277295$
20.0.165...176.1 $x^{20} - 2 x^{17} - x^{16} + 12 x^{15} + 5 x^{14} - 112 x^{13} + 313 x^{12} - 448 x^{11} + 442 x^{10} - 380 x^{9} + 265 x^{8} - 104 x^{7} + 5 x^{6} + 18 x^{5} - x^{4} - 4 x^{3} + 1$ $2^{24}\cdot 3^{16}\cdot 389^{4}$ $C_2^8.D_5^2.C_2^3$ (as 20T872) $[2]$ $81195.772932$
20.0.169...976.1 $x^{20} - 4 x^{18} + 7 x^{16} - 6 x^{14} - 12 x^{12} + 69 x^{10} + 152 x^{8} + 132 x^{6} + 59 x^{4} + 13 x^{2} + 1$ $2^{32}\cdot 89^{8}$ $C_3^5.D_6$ (as 20T664) $[2]$ $20221.2521637$
20.0.169...976.2 $x^{20} + x^{18} - 3 x^{16} + 17 x^{14} - 26 x^{12} + 36 x^{10} - 26 x^{8} + 17 x^{6} - 3 x^{4} + x^{2} + 1$ $2^{32}\cdot 89^{8}$ $C_3^5.D_6$ (as 20T664) $[2]$ $21711.1067522$
20.0.221...121.1 $x^{20} + 3 x^{18} - 2 x^{17} + 7 x^{16} - 4 x^{15} + 7 x^{14} - 7 x^{13} + 5 x^{12} + x^{11} + 3 x^{10} + 3 x^{9} + 6 x^{8} + 7 x^{7} + 16 x^{6} - x^{5} + 9 x^{4} + 6 x^{3} + 9 x^{2} + 3 x + 1$ $3^{10}\cdot 16493^{2}\cdot 1175561^{2}$ $C_2\times S_{10}$ (as 20T1021) $[2]$ $29239.1835824$
20.0.254...344.1 $x^{20} + 5 x^{18} + 4 x^{16} - 3 x^{14} + x^{12} + 7 x^{10} + x^{8} - 3 x^{6} + 4 x^{4} + 5 x^{2} + 1$ $2^{20}\cdot 11^{16}\cdot 23^{2}$ $C_2^8:C_{10}$ (as 20T263) $[2]$ $10133.2985369$
20.0.261...349.1 $x^{20} - x^{19} + x^{18} + x^{17} + 7 x^{16} + 5 x^{15} + 3 x^{14} + 10 x^{13} + 17 x^{12} + 48 x^{11} + 34 x^{10} + 48 x^{9} + 69 x^{8} + 113 x^{7} + 126 x^{6} + 66 x^{5} + 31 x^{4} - 12 x^{3} + 4 x^{2} - 5 x + 1$ $29^{7}\cdot 79^{8}$ $C_2^5.C_2\wr D_5$ (as 20T436) $[2]$ $36855.4375166$
20.0.297...409.1 $x^{20} - x^{19} + 3 x^{18} + 2 x^{17} + 5 x^{16} + 4 x^{14} + 8 x^{13} + x^{12} + 2 x^{10} + 16 x^{9} + 2 x^{8} + 7 x^{7} + 8 x^{6} + 14 x^{5} + 4 x^{4} - 4 x^{3} + 9 x^{2} - 3 x + 1$ $3^{10}\cdot 277^{2}\cdot 81019273^{2}$ $C_2\times S_{10}$ (as 20T1021) $[2]$ $29745.9286031$
20.0.336...249.1 $x^{20} - 6 x^{19} + 13 x^{18} - 6 x^{17} - 18 x^{16} - 18 x^{15} + 296 x^{14} - 939 x^{13} + 1648 x^{12} - 1689 x^{11} + 727 x^{10} + 537 x^{9} - 1049 x^{8} + 546 x^{7} + 156 x^{6} - 315 x^{5} + 354 x^{4} - 399 x^{3} + 14 x^{2} + 147 x + 49$ $3^{10}\cdot 7^{10}\cdot 17^{10}$ $D_{10}$ (as 20T4) $[2]$ $107340.04077$
20.0.336...249.2 $x^{20} - 6 x^{19} + 18 x^{18} - 32 x^{17} + 41 x^{16} + x^{15} - 113 x^{14} + 222 x^{13} - 194 x^{12} - 14 x^{11} + 723 x^{10} - 446 x^{9} + 1142 x^{8} + 574 x^{7} + 89 x^{6} + 2241 x^{5} + 424 x^{4} + 340 x^{3} + 629 x^{2} + 289$ $3^{10}\cdot 7^{10}\cdot 17^{10}$ $D_{10}$ (as 20T4) $[2]$ $16449.1582833$
20.0.394...849.1 $x^{20} - 2 x^{19} + 6 x^{18} + 8 x^{17} - x^{16} + 7 x^{15} + 6 x^{14} - 10 x^{13} + 11 x^{12} + 15 x^{11} - x^{10} + 15 x^{9} + 11 x^{8} - 10 x^{7} + 6 x^{6} + 7 x^{5} - x^{4} + 8 x^{3} + 6 x^{2} - 2 x + 1$ $3^{10}\cdot 401^{8}$ $C_2\wr D_5$ (as 20T73) $[2]$ $74630.3756382$
20.0.394...849.2 $x^{20} - 3 x^{19} + 12 x^{18} - 15 x^{17} + 40 x^{16} - 27 x^{15} + 92 x^{14} - 43 x^{13} + 172 x^{12} - 89 x^{11} + 249 x^{10} - 143 x^{9} + 259 x^{8} - 173 x^{7} + 188 x^{6} - 92 x^{5} + 96 x^{4} - 19 x^{3} + 28 x^{2} - 5 x + 1$ $3^{10}\cdot 401^{8}$ $C_2\wr D_5$ (as 20T73) $[2]$ $51707.527533$
20.0.394...849.3 $x^{20} - x^{19} + x^{18} + 2 x^{16} - 3 x^{15} - 3 x^{14} + 2 x^{13} + 4 x^{12} - 5 x^{10} + 4 x^{8} + 2 x^{7} - 3 x^{6} - 3 x^{5} + 2 x^{4} + x^{2} - x + 1$ $3^{10}\cdot 401^{8}$ $C_2\wr D_5$ (as 20T73) $[2]$ $45722.0230067$
20.0.464...816.1 $x^{20} + 2 x^{18} - 7 x^{16} + 5 x^{14} + 11 x^{12} - 20 x^{10} + 11 x^{8} + 5 x^{6} - 7 x^{4} + 2 x^{2} + 1$ $2^{20}\cdot 83^{4}\cdot 983^{4}$ $C_3^5.D_6$ (as 20T669) $[2]$ $44545.3221751$
20.0.464...816.2 $x^{20} + 3 x^{18} - x^{16} - 2 x^{14} + 5 x^{12} - 8 x^{10} + 5 x^{8} - 2 x^{6} - x^{4} + 3 x^{2} + 1$ $2^{20}\cdot 83^{4}\cdot 983^{4}$ $C_3^5.D_6$ (as 20T669) $[2]$ $18213.9831186$
20.0.488...200.1 $x^{20} + x^{18} - 2 x^{17} - 6 x^{16} + 4 x^{15} + 30 x^{14} - 36 x^{13} - 15 x^{12} + 12 x^{11} + 48 x^{10} + 12 x^{9} - 123 x^{8} + 36 x^{7} + 153 x^{6} - 124 x^{5} - 66 x^{4} + 110 x^{3} - 11 x^{2} - 30 x + 10$ $2^{20}\cdot 3^{14}\cdot 5^{2}\cdot 17\cdot 389^{4}$ $(C_5^2\times D_5^2).C_2^2$ (as 20T925) $[2]$ $198372.566362$
20.0.512...000.2 $x^{20} + 5 x^{16} + 20 x^{14} + 10 x^{12} - 10 x^{8} - 20 x^{6} + 5 x^{4} + 5$ $2^{32}\cdot 5^{23}$ $C_2^4:F_5$ (as 20T88) $[2]$ $25072.8091975$
20.0.542...625.1 $x^{20} - x^{19} + 2 x^{18} - 3 x^{17} + 5 x^{16} - 8 x^{15} + 13 x^{14} - 21 x^{13} + 34 x^{12} - 55 x^{11} + 89 x^{10} + 55 x^{9} + 34 x^{8} + 21 x^{7} + 13 x^{6} + 8 x^{5} + 5 x^{4} + 3 x^{3} + 2 x^{2} + x + 1$ $5^{10}\cdot 11^{18}$ $C_2\times C_{10}$ (as 20T3) $[2]$ $140644.599182$
20.0.564...376.1 $x^{20} - 2 x^{19} - 2 x^{18} + 12 x^{17} - 21 x^{16} + 26 x^{15} + 78 x^{14} - 18 x^{13} + 360 x^{12} + 482 x^{11} + 614 x^{10} + 594 x^{9} + 565 x^{8} + 686 x^{7} + 1552 x^{6} + 1286 x^{5} - 133 x^{4} - 970 x^{3} - 402 x^{2} + 102 x + 115$ $2^{30}\cdot 47^{10}$ $C_2^4:D_5$ (as 20T45) $[2]$ $34812.3985182$
20.0.564...376.3 $x^{20} + 22 x^{18} + 208 x^{16} + 1112 x^{14} + 3856 x^{12} + 9184 x^{10} + 15424 x^{8} + 17792 x^{6} + 13312 x^{4} + 5632 x^{2} + 1024$ $2^{30}\cdot 47^{10}$ $D_{10}$ (as 20T4) $[4]$ $9694.63775929$
20.0.577...089.1 $x^{20} - 5 x^{19} + 15 x^{18} - 24 x^{17} + 15 x^{16} + 22 x^{15} - 57 x^{14} + 64 x^{13} - 10 x^{12} - 57 x^{11} + 95 x^{10} - 57 x^{9} - 10 x^{8} + 64 x^{7} - 57 x^{6} + 22 x^{5} + 15 x^{4} - 24 x^{3} + 15 x^{2} - 5 x + 1$ $11^{16}\cdot 23^{4}\cdot 67^{2}$ $C_2^8:C_{10}$ (as 20T263) $[2]$ $22565.9493096$
20.0.577...089.2 $x^{20} - 3 x^{19} + 10 x^{18} - 31 x^{17} + 95 x^{16} - 194 x^{15} + 426 x^{14} - 662 x^{13} + 1038 x^{12} - 1221 x^{11} + 1283 x^{10} - 1067 x^{9} + 753 x^{8} - 401 x^{7} + 172 x^{6} + 7 x^{5} - 14 x^{4} - 8 x^{3} + 8 x^{2} + 4 x + 1$ $11^{16}\cdot 23^{4}\cdot 67^{2}$ $C_2^8:C_{10}$ (as 20T263) $[2]$ $12910.4232479$
20.0.577...089.3 $x^{20} - 5 x^{19} + 17 x^{18} - 29 x^{17} + 27 x^{16} - 2 x^{15} - 36 x^{14} + 32 x^{13} + 3 x^{12} - 45 x^{11} + 88 x^{10} - 95 x^{9} + 136 x^{8} - 123 x^{7} + 101 x^{6} - 31 x^{5} + 64 x^{4} - 9 x^{3} + 21 x^{2} - 7 x + 1$ $11^{16}\cdot 23^{4}\cdot 67^{2}$ $C_2^8:C_{10}$ (as 20T263) $[2]$ $22295.2556348$
20.0.577...089.4 $x^{20} - x^{19} + 6 x^{18} - x^{17} + 10 x^{16} - 48 x^{15} + 49 x^{14} - 24 x^{13} + 58 x^{12} - 161 x^{11} + 114 x^{10} - 49 x^{9} + 136 x^{8} - 224 x^{7} + 356 x^{6} - 315 x^{5} + 194 x^{4} - 83 x^{3} + 21 x^{2} + 3 x + 1$ $11^{16}\cdot 23^{4}\cdot 67^{2}$ $C_2^8:C_{10}$ (as 20T263) $[2]$ $19549.5881568$
20.0.577...089.5 $x^{20} - 2 x^{19} + 3 x^{18} + 3 x^{16} + 12 x^{15} + 16 x^{14} + 69 x^{13} + 79 x^{12} + 29 x^{11} + 37 x^{10} - 29 x^{9} + 79 x^{8} - 69 x^{7} + 16 x^{6} - 12 x^{5} + 3 x^{4} + 3 x^{2} + 2 x + 1$ $11^{16}\cdot 23^{4}\cdot 67^{2}$ $C_2^{10}:C_5$ (as 20T341) $[2]$ $12415.2283422$
20.0.577...089.6 $x^{20} + 13 x^{18} + 73 x^{16} + 235 x^{14} + 481 x^{12} + 660 x^{10} + 633 x^{8} + 445 x^{6} + 296 x^{4} + 43 x^{2} + 1$ $11^{16}\cdot 23^{4}\cdot 67^{2}$ $C_2^{10}:C_5$ (as 20T341) $[2]$ $12984.8977792$
20.0.577...089.7 $x^{20} - 10 x^{19} + 52 x^{18} - 180 x^{17} + 461 x^{16} - 899 x^{15} + 1328 x^{14} - 1354 x^{13} + 507 x^{12} + 1410 x^{11} - 3813 x^{10} + 5599 x^{9} - 5270 x^{8} + 2768 x^{7} + 1115 x^{6} - 4240 x^{5} + 5356 x^{4} - 4383 x^{3} + 2573 x^{2} - 1021 x + 197$ $11^{16}\cdot 23^{4}\cdot 67^{2}$ $C_2^{10}:C_5$ (as 20T341) $[2]$ $12565.9655142$
20.0.577...089.8 $x^{20} - 2 x^{19} + 8 x^{18} - 8 x^{17} + 19 x^{16} + 22 x^{15} + x^{14} + 90 x^{13} - 10 x^{12} + 102 x^{11} + 95 x^{10} - 124 x^{9} + 320 x^{8} - 431 x^{7} + 694 x^{6} - 363 x^{5} + 591 x^{4} - 322 x^{3} + 195 x^{2} - 20 x + 1$ $11^{16}\cdot 23^{4}\cdot 67^{2}$ $C_2^{10}:C_5$ (as 20T341) $[2]$ $14689.627743$
20.0.577...089.9 $x^{20} - 6 x^{19} + 18 x^{18} - 29 x^{17} + 24 x^{16} - 7 x^{15} + 14 x^{14} - 49 x^{13} + 122 x^{12} - 366 x^{11} + 972 x^{10} - 1801 x^{9} + 2454 x^{8} - 2547 x^{7} + 2093 x^{6} - 1390 x^{5} + 783 x^{4} - 334 x^{3} + 106 x^{2} - 16 x + 1$ $11^{16}\cdot 23^{4}\cdot 67^{2}$ $C_2^8:C_{10}$ (as 20T263) $[2]$ $15676.428107881391$
20.0.618...625.1 $x^{20} - 6 x^{19} + 11 x^{18} - 21 x^{16} + 13 x^{15} + 55 x^{14} - 217 x^{13} + 434 x^{12} - 360 x^{11} - 205 x^{10} + 805 x^{9} - 845 x^{8} - 70 x^{7} + 2180 x^{6} - 4240 x^{5} + 4450 x^{4} - 2890 x^{3} + 1155 x^{2} - 250 x + 25$ $5^{22}\cdot 11^{10}$ $C_5\times D_{10}$ (as 20T24) $[2]$ $50369.577816307596$
20.0.924...625.1 $x^{20} - 6 x^{19} + 17 x^{18} - 34 x^{17} + 72 x^{16} - 142 x^{15} + 230 x^{14} - 374 x^{13} + 667 x^{12} - 926 x^{11} + 1464 x^{10} - 4142 x^{9} + 10155 x^{8} - 17489 x^{7} + 24262 x^{6} - 26479 x^{5} + 20704 x^{4} - 10840 x^{3} + 3907 x^{2} - 1407 x + 441$ $5^{10}\cdot 79^{10}$ $D_{10}$ (as 20T4) $[4]$ $24221.8358828$
20.0.999...125.1 $x^{20} - 3 x^{19} + 14 x^{18} - 42 x^{17} + 118 x^{16} - 271 x^{15} + 620 x^{14} - 1111 x^{13} + 2016 x^{12} - 3054 x^{11} + 4174 x^{10} - 5147 x^{9} + 5378 x^{8} - 4516 x^{7} + 3536 x^{6} - 1447 x^{5} + 525 x^{4} + 131 x^{3} - 270 x^{2} + 28 x + 29$ $5^{7}\cdot 61^{6}\cdot 397^{4}$ $C_2^8.(C_4\times S_5)$ (as 20T790) $[2]$ $26882.1094284$
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