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Label Polynomial Discriminant Galois group Class group Regulator
21.3.321...607.1 $x^{21} - 5 x^{14} - 8 x^{7} - 1$ $-\,7^{29}$ $C_3\times D_7$ (as 21T3) trivial $6020.25035863$
21.3.396...527.1 $x^{21} - 5 x^{20} + 11 x^{19} - 20 x^{18} + 37 x^{17} - 68 x^{16} + 120 x^{15} - 168 x^{14} + 237 x^{13} - 331 x^{12} + 362 x^{11} - 431 x^{10} + 452 x^{9} - 381 x^{8} + 350 x^{7} - 238 x^{6} + 169 x^{5} - 90 x^{4} + 43 x^{3} + 6 x^{2} + 27$ $-\,13^{2}\cdot 1801^{2}\cdot 193327^{3}$ $C_3^7.S_7$ (as 21T139) trivial $6158.71427835$
21.3.682...552.1 $x^{21} - 2 x^{20} - x^{19} - 3 x^{18} + 10 x^{17} + 13 x^{16} + x^{15} - 27 x^{14} - 16 x^{13} - 20 x^{12} + 55 x^{11} - 4 x^{10} + 8 x^{9} - 32 x^{8} - x^{7} + 70 x^{6} - 52 x^{5} - 4 x^{4} + 6 x^{3} + 2 x^{2} - 6 x + 1$ $-\,2^{21}\cdot 71^{10}$ $S_3\times D_7$ (as 21T8) trivial $7666.61577427$
21.3.717...392.1 $x^{21} - 7 x^{20} + 21 x^{19} - 42 x^{18} + 77 x^{17} - 126 x^{16} + 168 x^{15} - 213 x^{14} + 266 x^{13} - 280 x^{12} + 259 x^{11} - 217 x^{10} + 133 x^{9} - 42 x^{8} - 53 x^{7} + 126 x^{6} - 112 x^{5} + 7 x^{4} + 63 x^{3} - 49 x^{2} + 14 x - 1$ $-\,2^{18}\cdot 7^{23}$ $F_7$ (as 21T4) trivial $10096.3106241$
21.3.928...699.1 $x^{21} - 5 x^{20} + 11 x^{19} - 13 x^{18} + 7 x^{17} + 4 x^{16} - 16 x^{15} + 13 x^{14} - 6 x^{13} + 2 x^{12} - 2 x^{11} + 21 x^{10} - 28 x^{8} + 29 x^{7} - 16 x^{6} - 18 x^{5} + 17 x^{4} - 9 x^{3} - 2 x^{2} + 3 x - 1$ $-\,11^{9}\cdot 13^{14}$ $F_7$ (as 21T4) trivial $10371.33223$
21.3.109...167.1 $x^{21} + x^{19} - 2 x^{18} - 2 x^{17} - 3 x^{16} - x^{15} + 4 x^{14} + 15 x^{13} + 3 x^{12} - 4 x^{11} - 29 x^{10} - 4 x^{9} + 12 x^{8} + 23 x^{7} + 16 x^{6} - 4 x^{5} - 7 x^{4} - 8 x^{3} - x^{2} + 1$ $-\,31^{8}\cdot 67^{3}\cdot 349^{3}$ $S_3\times S_7$ (as 21T74) trivial $10492.3673171$
21.3.657...567.1 $x^{21} - 4 x^{20} + 12 x^{19} - 22 x^{18} + 41 x^{17} - 54 x^{16} + 79 x^{15} - 60 x^{14} + 57 x^{13} + 46 x^{12} - 70 x^{11} + 222 x^{10} - 182 x^{9} + 306 x^{8} - 168 x^{7} + 207 x^{6} - 48 x^{5} + 42 x^{4} + 5 x^{3} - 17 x^{2} - 15 x - 1$ $-\,3^{24}\cdot 7^{17}$ $C_3\times F_7$ (as 21T9) trivial $31647.6272279$
21.3.108...223.1 $x^{21} - 9 x^{14} - 12 x^{7} + 1$ $-\,3^{28}\cdot 7^{15}$ $C_3\times F_7$ (as 21T9) trivial $51151.7616302$
21.3.167...056.1 $x^{21} - 7 x^{20} + 23 x^{19} - 46 x^{18} + 59 x^{17} - 38 x^{16} - 51 x^{15} + 276 x^{14} - 725 x^{13} + 1392 x^{12} - 2056 x^{11} + 2397 x^{10} - 2311 x^{9} + 1987 x^{8} - 1615 x^{7} + 1208 x^{6} - 783 x^{5} + 436 x^{4} - 201 x^{3} + 66 x^{2} - 12 x + 1$ $-\,2^{18}\cdot 17^{6}\cdot 31^{9}$ $S_3\times A_7$ (as 21T57) trivial $48967.484032$
21.3.188...059.1 $x^{21} - 3 x^{20} + 2 x^{19} - 4 x^{18} + 10 x^{17} - 9 x^{16} + 70 x^{15} - 167 x^{14} + 91 x^{13} + 110 x^{12} - 252 x^{11} + 50 x^{10} + 456 x^{9} - 519 x^{8} + x^{7} + 487 x^{6} - 548 x^{5} + 272 x^{4} - 48 x^{3} + x^{2} - 3 x + 1$ $-\,59^{8}\cdot 10859^{3}$ $S_3\times S_7$ (as 21T74) trivial $47990.3401891$
21.3.214...807.1 $x^{21} - x^{20} - x^{19} + x^{18} - x^{17} + 6 x^{16} - 7 x^{15} + 2 x^{14} - 4 x^{13} + 5 x^{12} + 9 x^{11} - 17 x^{10} + 11 x^{9} - 4 x^{8} - 3 x^{7} + 9 x^{6} - 6 x^{5} - x^{4} + 3 x^{3} - x^{2} - x + 1$ $-\,184607^{5}$ $S_7$ (as 21T38) trivial $59489.8190642$
21.3.270...407.1 $x^{21} - 4 x^{18} - x^{17} + x^{16} + 7 x^{15} + x^{14} - 6 x^{13} - 11 x^{12} + 2 x^{11} + 10 x^{10} + 14 x^{9} - 2 x^{8} - 5 x^{7} - 6 x^{6} + 2 x^{5} - 2 x^{4} - 3 x^{3} + 2 x^{2} - 1$ $-\,193327^{5}$ $S_7$ (as 21T38) trivial $75073.7253$
21.3.336...784.1 $x^{21} - 5 x^{20} + 11 x^{19} - 5 x^{18} - 29 x^{17} + 64 x^{16} - 22 x^{15} - 117 x^{14} + 218 x^{13} - 124 x^{12} - 76 x^{11} + 132 x^{10} - 38 x^{9} + 31 x^{8} - 168 x^{7} + 204 x^{6} - 47 x^{5} - 120 x^{4} + 134 x^{3} - 63 x^{2} + 13 x - 1$ $-\,2^{14}\cdot 11^{13}\cdot 29^{6}$ $S_3\times A_7$ (as 21T57) trivial $73219.6797146$
21.3.930...607.1 $x^{21} - 5 x^{20} + 36 x^{18} - 35 x^{17} - 108 x^{16} + 155 x^{15} + 176 x^{14} - 338 x^{13} - 129 x^{12} + 413 x^{11} - 50 x^{10} - 234 x^{9} + 162 x^{8} - 66 x^{7} - 51 x^{6} + 196 x^{5} - 92 x^{4} - 98 x^{3} + 71 x^{2} - 10 x - 25$ $-\,151^{2}\cdot 2377^{2}\cdot 193327^{3}$ $C_3^7.S_7$ (as 21T139) trivial $99654.8309357$
21.3.426...007.1 $x^{21} - x^{20} - 7 x^{19} + 6 x^{18} + 16 x^{17} - 27 x^{16} + 3 x^{15} + 119 x^{14} + 23 x^{13} - 181 x^{12} - 153 x^{11} + 154 x^{10} + 417 x^{9} - 133 x^{8} - 395 x^{7} + 153 x^{6} + 61 x^{5} - 33 x^{4} + 2 x^{3} + 7 x^{2} - 2 x - 1$ $-\,7^{14}\cdot 184607^{3}$ $C_3\times S_7$ (as 21T56) trivial $201933.335135$
21.3.429...912.1 $x^{21} - x^{20} + 9 x^{19} - 7 x^{18} + 35 x^{17} - 27 x^{16} + 83 x^{15} - 61 x^{14} + 123 x^{13} - 111 x^{12} + 163 x^{11} - 225 x^{10} + 213 x^{9} - 253 x^{8} + 177 x^{7} - 167 x^{6} + 192 x^{5} - 180 x^{4} + 136 x^{3} - 76 x^{2} - 12 x + 4$ $-\,2^{38}\cdot 3^{18}\cdot 7^{9}$ $\PGL(2,7)$ (as 21T20) trivial $1790438.21987$
21.3.490...767.1 $x^{21} - x^{20} - 2 x^{19} + 9 x^{18} - 8 x^{17} - 16 x^{16} + 40 x^{15} + 25 x^{14} - 4 x^{13} - 178 x^{12} - 112 x^{11} + 286 x^{10} + 394 x^{9} - 392 x^{8} - 175 x^{7} + 201 x^{6} - 68 x^{5} - 36 x^{4} + 30 x^{3} - 4 x^{2} - 4 x + 1$ $-\,7^{14}\cdot 193327^{3}$ $C_3\times S_7$ (as 21T56) trivial $299129.54193$
21.3.714...224.1 $x^{21} - 3 x^{20} - 4 x^{19} + 16 x^{18} - 9 x^{17} - 33 x^{16} + 52 x^{15} + 12 x^{14} - 136 x^{13} + 96 x^{12} + 180 x^{11} - 260 x^{10} - 144 x^{9} + 312 x^{8} + 44 x^{7} - 220 x^{6} + 15 x^{5} + 59 x^{4} - 16 x^{3} + 36 x^{2} - 31 x + 1$ $-\,2^{64}\cdot 3^{18}$ $\PGL(2,7)$ (as 21T20) trivial $3668230.07566$
21.3.897...231.1 $x^{21} - x^{20} + 3 x^{19} + 4 x^{18} + 8 x^{17} - 12 x^{16} + 9 x^{15} + 113 x^{14} - 287 x^{13} + 404 x^{12} - 526 x^{11} + 1106 x^{10} - 2438 x^{9} + 2381 x^{8} - 2385 x^{7} + 3637 x^{6} - 6756 x^{5} + 4734 x^{4} - 3615 x^{3} + 1513 x^{2} - 2017 x - 1319$ $-\,7^{2}\cdot 13^{2}\cdot 71^{9}\cdot 4861^{2}$ $C_3^7:D_7$ (as 21T76) trivial $277898.768894$
21.3.103...503.1 $x^{21} - 6 x^{20} - x^{19} + 72 x^{18} - 100 x^{17} - 299 x^{16} + 733 x^{15} + 386 x^{14} - 2195 x^{13} + 634 x^{12} + 3126 x^{11} - 2357 x^{10} - 2090 x^{9} + 2868 x^{8} + 87 x^{7} - 1535 x^{6} + 673 x^{5} + 170 x^{4} - 243 x^{3} + 89 x^{2} - 15 x + 1$ $-\,11^{4}\cdot 103^{4}\cdot 184607^{3}$ $C_3^6.S_7$ (as 21T130) trivial $361691.21971$
21.3.190...271.1 $x^{21} - 9 x^{20} + 23 x^{19} + 24 x^{18} - 196 x^{17} + 152 x^{16} + 587 x^{15} - 1008 x^{14} - 562 x^{13} + 2180 x^{12} - 404 x^{11} - 2259 x^{10} + 1317 x^{9} + 1079 x^{8} - 1081 x^{7} - 177 x^{6} + 477 x^{5} - 106 x^{4} - 81 x^{3} + 53 x^{2} - 12 x + 1$ $-\,67^{2}\cdot 71^{9}\cdot 9613^{2}$ $C_3^7:D_7$ (as 21T76) trivial $520928.798224$
21.3.207...824.1 $x^{21} - 4 x^{20} + 8 x^{19} - 12 x^{18} + 12 x^{17} - 16 x^{16} + 44 x^{15} - 94 x^{14} + 160 x^{13} - 200 x^{12} + 184 x^{11} - 132 x^{10} + 52 x^{9} - 8 x^{7} + 4 x^{6} + 16 x^{4} - 36 x^{3} + 32 x^{2} - 16 x + 4$ $-\,2^{20}\cdot 11^{7}\cdot 317^{6}$ $S_3\times \GL(3,2)$ (as 21T27) trivial $999740.077738$
21.3.207...824.2 $x^{21} - 2 x^{20} + 2 x^{19} - 4 x^{16} - 6 x^{15} + 8 x^{14} - 16 x^{13} + 30 x^{12} - 24 x^{11} + 22 x^{10} - 48 x^{9} - 4 x^{8} - 30 x^{7} + 8 x^{6} - 4 x^{5} - 12 x^{4} - 10 x^{3} + 12 x^{2} - 4 x + 2$ $-\,2^{20}\cdot 11^{7}\cdot 317^{6}$ $S_3\times \GL(3,2)$ (as 21T27) trivial $999740.077738$
21.3.310...319.1 $x^{21} - x^{20} - 7 x^{19} + 6 x^{18} + 3 x^{17} - 30 x^{16} + 72 x^{15} + 134 x^{14} - 49 x^{13} - 195 x^{12} - 375 x^{11} + 190 x^{10} + 878 x^{9} - 233 x^{8} - 491 x^{7} + 177 x^{6} + 32 x^{5} - 47 x^{4} + 21 x^{3} + 10 x^{2} - 4 x - 1$ $-\,7^{14}\cdot 71^{9}$ $C_3\times D_7$ (as 21T3) trivial $725840.889095$
21.3.142...751.1 $x^{21} + 2 x^{19} - 11 x^{17} - 27 x^{16} - 82 x^{15} - 60 x^{14} - 211 x^{13} - 21 x^{12} - 494 x^{11} + 177 x^{10} - 781 x^{9} + 699 x^{8} - 1096 x^{7} + 966 x^{6} - 737 x^{5} + 417 x^{4} - 128 x^{3} + 18 x^{2} + 18 x - 9$ $-\,3^{20}\cdot 151^{9}$ $C_3^6.D_7$ (as 21T52) trivial $1758982.84323$
21.3.142...751.2 $x^{21} - 4 x^{19} - 2 x^{18} - 5 x^{17} + 58 x^{16} - 25 x^{15} - 201 x^{14} + 345 x^{13} - 93 x^{12} + 228 x^{11} + 426 x^{10} - 758 x^{9} - 54 x^{8} + 149 x^{7} - 473 x^{6} - 1772 x^{5} - 2981 x^{4} - 1405 x^{3} + 378 x^{2} + 18 x - 117$ $-\,3^{20}\cdot 151^{9}$ $C_3^6.D_7$ (as 21T52) trivial $2184999.95298$
21.3.143...823.1 $x^{21} - 12 x^{19} - 4 x^{18} + 72 x^{17} + 21 x^{16} - 261 x^{15} - 72 x^{14} + 678 x^{13} + 58 x^{12} - 1062 x^{11} - 285 x^{10} + 513 x^{9} + 1188 x^{8} - 768 x^{7} - 2702 x^{6} + 792 x^{5} + 1485 x^{4} - 865 x^{3} - 342 x^{2} + 183 x - 47$ $-\,3^{28}\cdot 184607^{3}$ $C_3^6.S_7$ (as 21T130) trivial $1049116.64407$
21.3.273...419.1 $x^{21} - 21 x^{19} - 3 x^{18} + 186 x^{17} + 51 x^{16} - 901 x^{15} - 354 x^{14} + 2589 x^{13} + 1292 x^{12} - 4479 x^{11} - 2667 x^{10} + 4522 x^{9} + 3132 x^{8} - 2424 x^{7} - 2026 x^{6} + 438 x^{5} + 534 x^{4} - 63 x^{2} - 15 x - 1$ $-\,23^{7}\cdot 113\cdot 710546119470924629$ $S_7\wr C_3.C_2$ (as 21T162) trivial $2247653.20087$
21.3.378...943.1 $x^{21} - x^{14} - 2 x^{7} + 1$ $-\,7^{35}$ $C_7:F_7$ (as 21T16) trivial $2535367.84349$
21.3.378...943.2 $x^{21} - 4 x^{14} + 3 x^{7} + 1$ $-\,7^{35}$ $C_7:F_7$ (as 21T16) trivial $3187973.81132$
21.3.378...943.3 $x^{21} - x^{14} - 9 x^{7} + 1$ $-\,7^{35}$ $F_7$ (as 21T4) trivial $5449377.399032222$
21.3.822...375.1 $x^{21} - 9 x^{20} + 39 x^{19} - 110 x^{18} + 212 x^{17} - 254 x^{16} + 72 x^{15} + 444 x^{14} - 1230 x^{13} + 2243 x^{12} - 3572 x^{11} + 5129 x^{10} - 6067 x^{9} + 5990 x^{8} - 5448 x^{7} + 5112 x^{6} - 4212 x^{5} + 3001 x^{4} - 1825 x^{3} + 903 x^{2} - 185 x + 211$ $-\,5^{9}\cdot 11^{7}\cdot 43^{10}$ $S_3\times D_7$ (as 21T8) trivial $7898710.55939$
21.3.953...819.1 $x^{21} - 5 x^{20} + 14 x^{19} - 30 x^{18} + 81 x^{17} - 198 x^{16} + 312 x^{15} - 259 x^{14} - 31 x^{13} + 395 x^{12} - 455 x^{11} + 311 x^{10} + 131 x^{9} - 101 x^{8} + 292 x^{7} + 104 x^{6} + 29 x^{5} + 133 x^{4} + 67 x^{3} + 11 x^{2} + 4 x + 1$ $-\,3^{4}\cdot 11^{9}\cdot 13^{12}\cdot 463^{2}$ $C_3^7.F_7$ (as 21T98) trivial $6859502.52387$
21.3.107...936.2 $x^{21} - 3 x^{19} - 2 x^{18} - 9 x^{17} - 12 x^{16} - 4 x^{15} + 81 x^{13} + 216 x^{12} + 459 x^{11} + 906 x^{10} + 367 x^{9} - 2196 x^{8} - 6807 x^{7} - 14494 x^{6} - 22572 x^{5} - 23256 x^{4} - 15184 x^{3} - 6048 x^{2} - 1344 x - 128$ $-\,2^{14}\cdot 3^{21}\cdot 184607^{3}$ $C_3^7.(C_2^7.S_7)$ (as 21T152) trivial $3523003.59392$
21.3.765...811.1 $x^{21} - 6 x^{20} + 19 x^{19} - 35 x^{18} + 34 x^{17} - 27 x^{16} + 33 x^{15} - 73 x^{14} + 37 x^{13} + 44 x^{12} + 137 x^{11} - 33 x^{10} + 60 x^{9} + 177 x^{8} + 243 x^{7} - 219 x^{6} - 876 x^{5} - 1332 x^{4} - 1192 x^{3} - 736 x^{2} - 288 x - 64$ $-\,7^{14}\cdot 29^{3}\cdot 77351^{3}$ $D_7\wr C_3$ (as 21T45) trivial $14306648.6019$
21.3.772...983.1 $x^{21} - 7 x^{19} - 7 x^{18} + 42 x^{17} - 175 x^{15} + 280 x^{13} - 119 x^{12} - 588 x^{11} - 63 x^{10} + 448 x^{9} - 147 x^{8} - 637 x^{7} - 259 x^{6} + 147 x^{5} - 182 x^{3} - 147 x^{2} - 49 x - 7$ $-\,3^{24}\cdot 7^{23}$ $C_3\times F_7$ (as 21T9) trivial $27889140.491911642$
21.3.785...512.1 $x^{21} + 3 x^{19} + 18 x^{17} - 54 x^{16} + 58 x^{15} - 90 x^{14} - 75 x^{13} + 288 x^{12} - 486 x^{11} + 1380 x^{10} - 1915 x^{9} + 2988 x^{8} - 3399 x^{7} + 1690 x^{6} - 2232 x^{5} - 384 x^{4} - 1344 x^{3} - 384 x + 128$ $-\,2^{14}\cdot 3^{21}\cdot 71^{9}$ $C_3^7:C_2\wr D_7$ (as 21T131) trivial $10907666.3389$
21.3.978...096.1 $x^{21} - x^{20} - 10 x^{19} + 8 x^{18} + 32 x^{17} - 59 x^{16} + 7 x^{15} + 422 x^{14} + 190 x^{13} - 795 x^{12} - 1054 x^{11} + 695 x^{10} + 3497 x^{9} - 381 x^{8} - 4108 x^{7} + 1137 x^{6} + 364 x^{5} - 117 x^{4} + x^{3} + 12 x^{2} - 3 x - 1$ $-\,2^{14}\cdot 37^{7}\cdot 184607^{3}$ $S_3\times S_7$ (as 21T74) trivial $11488244.7921$
21.3.112...376.1 $x^{21} - x^{20} - 3 x^{19} + 15 x^{18} - 14 x^{17} - 42 x^{16} + 112 x^{15} + 113 x^{14} + 10 x^{13} - 937 x^{12} - 860 x^{11} + 1848 x^{10} + 3892 x^{9} - 2944 x^{8} - 2961 x^{7} + 1339 x^{6} - 176 x^{5} - 182 x^{4} + 74 x^{3} - 4 x^{2} - 6 x + 1$ $-\,2^{14}\cdot 37^{7}\cdot 193327^{3}$ $S_3\times S_7$ (as 21T74) trivial $13187708.2201$
21.3.127...727.1 $x^{21} - 3 x^{14} - 6 x^{7} - 1$ $-\,3^{28}\cdot 7^{21}$ $C_7:(C_3\times F_7)$ (as 21T24) trivial $19109363.6324$
21.3.127...727.2 $x^{21} - 3 x^{7} - 1$ $-\,3^{28}\cdot 7^{21}$ $C_7:(C_3\times F_7)$ (as 21T24) trivial $20173681.1919$
21.3.127...727.3 $x^{21} - 9 x^{14} + 15 x^{7} + 1$ $-\,3^{28}\cdot 7^{21}$ $C_3\times F_7$ (as 21T9) trivial $45076954.940072164$
21.3.172...648.1 $x^{21} - x^{20} - x^{19} - 26 x^{18} + 25 x^{17} + 28 x^{16} + 330 x^{15} - 125 x^{14} - 104 x^{13} - 2062 x^{12} - 109 x^{11} - 751 x^{10} + 5539 x^{9} + 340 x^{8} + 2923 x^{7} - 6382 x^{6} + 3416 x^{5} + 1031 x^{4} + 8397 x^{3} - 397 x^{2} - 1378 x - 2197$ $-\,2^{18}\cdot 3^{24}\cdot 7^{17}$ $C_3\times F_7$ (as 21T9) trivial $18296774.24958717$
21.3.172...648.2 $x^{21} - 6 x^{20} + 29 x^{19} - 77 x^{18} + 213 x^{17} - 414 x^{16} + 1128 x^{15} - 2157 x^{14} + 5178 x^{13} - 7411 x^{12} + 12573 x^{11} - 12131 x^{10} + 16268 x^{9} - 11658 x^{8} + 1875 x^{7} - 2158 x^{6} - 1110 x^{5} + 2269 x^{4} - 554 x^{3} - 279 x^{2} + 127 x - 13$ $-\,2^{18}\cdot 3^{24}\cdot 7^{17}$ $C_3\times F_7$ (as 21T9) trivial $19624254.06882178$
21.3.864...632.1 $x^{21} - 2 x^{18} - 18 x^{17} + 12 x^{16} + 93 x^{15} + 252 x^{14} + 756 x^{13} + 424 x^{12} - 846 x^{11} - 3942 x^{10} - 12420 x^{9} - 20592 x^{8} - 30729 x^{7} - 35272 x^{6} - 30168 x^{5} - 18600 x^{4} - 8512 x^{3} - 2880 x^{2} - 768 x - 128$ $-\,2^{14}\cdot 3^{21}\cdot 11\cdot 71^{9}$ $C_3^7:C_2\wr D_7$ (as 21T131) trivial $48578716.598$
21.3.140...943.1 $x^{21} - 6 x^{20} + 12 x^{19} + 3 x^{18} - 60 x^{17} + 108 x^{16} - 18 x^{15} - 225 x^{14} + 357 x^{13} - 89 x^{12} - 387 x^{11} + 522 x^{10} - 121 x^{9} - 312 x^{8} + 315 x^{7} - 47 x^{6} - 108 x^{5} + 75 x^{4} - 8 x^{3} - 12 x^{2} + 6 x - 1$ $-\,3^{18}\cdot 23^{7}\cdot 10322161^{2}$ $A_7\wr S_3$ (as 21T156) trivial $77801090.0541$
21.3.160...219.1 $x^{21} - 3 x^{20} + 3 x^{19} - 2 x^{18} - 3 x^{17} + 11 x^{16} - 25 x^{15} + 45 x^{14} - 52 x^{13} + 43 x^{12} + 51 x^{11} - 121 x^{10} + 143 x^{9} - 83 x^{8} - 62 x^{7} + 95 x^{6} - 203 x^{5} + 45 x^{4} - 50 x^{3} - 26 x^{2} + 3 x - 7$ $-\,11^{9}\cdot 13^{12}\cdot 37^{2}\cdot 1459^{2}$ $C_3^7.F_7$ (as 21T98) trivial $54878271.2447$
21.3.171...583.1 $x^{21} - 6 x^{20} + 12 x^{19} + 5 x^{18} - 66 x^{17} + 108 x^{16} + 6 x^{15} - 261 x^{14} + 345 x^{13} - 11 x^{12} - 453 x^{11} + 474 x^{10} - 33 x^{9} - 336 x^{8} + 279 x^{7} - 19 x^{6} - 108 x^{5} + 69 x^{4} - 6 x^{3} - 12 x^{2} + 6 x - 1$ $-\,3^{18}\cdot 7^{4}\cdot 23^{7}\cdot 232801^{2}$ $A_7\wr S_3$ (as 21T156) trivial $67378616.8716$
21.3.183...527.1 $x^{21} - 10 x^{20} + 55 x^{19} - 232 x^{18} + 778 x^{17} - 2176 x^{16} + 5171 x^{15} - 10560 x^{14} + 18589 x^{13} - 28136 x^{12} + 36163 x^{11} - 38416 x^{10} + 31475 x^{9} - 15502 x^{8} - 4692 x^{7} + 21382 x^{6} - 28506 x^{5} + 25066 x^{4} - 15737 x^{3} + 6646 x^{2} - 1564 x + 8$ $-\,7^{17}\cdot 31^{12}$ $C_3\times F_7$ (as 21T9) trivial $129961348.56213313$
21.3.372...096.1 $x^{21} + 11 x^{19} - 8 x^{18} + 72 x^{17} - 48 x^{16} + 204 x^{15} + 249 x^{13} + 376 x^{12} + 18 x^{11} + 62 x^{10} - 473 x^{9} - 1008 x^{8} - 975 x^{7} + 192 x^{6} - 324 x^{5} + 936 x^{4} + 368 x^{3} - 576 x^{2} - 128 x + 128$ $-\,2^{14}\cdot 3^{36}\cdot 73^{6}$ $C_3^7.(C_2^7.A_7)$ (as 21T151) trivial $73916651.6702$
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