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Label Class Conductor Rank* Torsion $\textrm{End}^0(J_{\overline\Q})$ Igusa-Clebsch invariants Igusa invariants G2-invariants Equation
249.a.6723.1 249.a \( 3 \cdot 83 \) $0$ $\Z/28\Z$ \(\Q\) $[1932,87897,65765571,860544]$ $[483,6058,-161212,-28641190,6723]$ $[324526850403/83,25281736298/249,-4178776252/747]$ $y^2 + (x^3 + 1)y = -x^5 + x^3 + x^2 + 3x + 2$
256.a.512.1 256.a \( 2^{8} \) $0$ $\Z/2\Z\oplus\Z/10\Z$ \(\mathrm{M}_2(\Q)\) $[26,-2,40,2]$ $[52,118,-36,-3949,512]$ $[742586,129623/4,-1521/8]$ $y^2 + y = 2x^5 - 3x^4 + x^3 + x^2 - x$
389.a.389.1 389.a \( 389 \) $0$ $\Z/10\Z$ \(\Q\) $[2440,51100,45041351,1556]$ $[1220,53500,2084961,-79649395,389]$ $[2702708163200000/389,97147868000000/389,3103255952400/389]$ $y^2 + (x^3 + x)y = x^5 - 2x^4 - 8x^3 + 16x + 7$
389.a.389.2 389.a \( 389 \) $0$ $\Z/10\Z$ \(\Q\) $[16,100,1775,1556]$ $[8,-14,-159,-367,389]$ $[32768/389,-7168/389,-10176/389]$ $y^2 + (x + 1)y = x^5 + 2x^4 + 2x^3 + x^2$
394.a.3152.1 394.a \( 2 \cdot 197 \) $0$ $\Z/20\Z$ \(\Q\) $[80,-20,649,-12608]$ $[40,70,39,-835,-3152]$ $[-6400000/197,-280000/197,-3900/197]$ $y^2 + (x + 1)y = -x^5$
427.a.2989.1 427.a \( 7 \cdot 61 \) $0$ $\Z/14\Z$ \(\Q\) $[4564,-22439,-35962915,-382592]$ $[1141,55180,3641688,277583402,-2989]$ $[-39466820645749/61,-1672794336220/61,-96756008472/61]$ $y^2 + (x^3 + 1)y = x^5 - x^4 - 5x^3 + 4x^2 + 4x - 4$
448.a.448.2 448.a \( 2^{6} \cdot 7 \) $0$ $\Z/12\Z$ \(\mathsf{CM} \times \Q\) $[828,16635,5308452,56]$ $[828,17476,-853888,-253107460,448]$ $[6080953884912/7,155007628668/7,-1306723104]$ $y^2 + (x^3 + x)y = -2x^4 + 7$
523.a.523.1 523.a \( 523 \) $0$ $\Z/10\Z$ \(\Q\) $[120,-540,-29169,-2092]$ $[60,240,2241,19215,-523]$ $[-777600000/523,-51840000/523,-8067600/523]$ $y^2 + (x + 1)y = x^5 - x^4 - x^3$
523.a.523.2 523.a \( 523 \) $0$ $\Z/2\Z$ \(\Q\) $[332400,10084860,1107044456391,-2092]$ $[166200,1149254190,10581558955401,109467476288772525,-523]$ $[-126810465636208320000000000/523,-5276053055713522320000000/523,-292288477352026798440000/523]$ $y^2 + xy = x^5 - 31x^4 - 110x^3 + 21x^2 - x$
574.a.293888.1 574.a \( 2 \cdot 7 \cdot 41 \) $0$ $\Z/2\Z\oplus\Z/10\Z$ \(\Q\) $[68,-55823,-955895,-37617664]$ $[17,2338,2304,-1356769,-293888]$ $[-1419857/293888,-820471/20992,-2601/1148]$ $y^2 + (x^2 + x)y = x^5 - x^4 - 3x^2 + x + 1$
578.a.2312.1 578.a \( 2 \cdot 17^{2} \) $0$ $\Z/12\Z$ \(\Q \times \Q\) $[228,705,135777,295936]$ $[57,106,-992,-16945,2312]$ $[601692057/2312,9815229/1156,-402876/289]$ $y^2 + (x^2 + x)y = x^5 - 2x^4 + 2x^3 - 2x^2 + x$
600.a.96000.1 600.a \( 2^{3} \cdot 3 \cdot 5^{2} \) $0$ $\Z/2\Z\oplus\Z/6\Z$ \(\Q \times \Q\) $[92,4981,43947,-12000]$ $[92,-2968,47600,-1107456,-96000]$ $[-25745372/375,9027914/375,-62951/15]$ $y^2 + (x + 1)y = 4x^5 + 5x^4 + 3x^3 + 2x^2$
600.b.30000.1 600.b \( 2^{3} \cdot 3 \cdot 5^{2} \) $0$ $\Z/2\Z\oplus\Z/8\Z$ \(\Q \times \Q\) $[600,18744,4690524,120000]$ $[300,626,-198336,-14973169,30000]$ $[81000000,563400,-595008]$ $y^2 + (x^3 + x)y = x^4 + x^2 - 3$
603.a.603.1 603.a \( 3^{2} \cdot 67 \) $0$ $\Z/10\Z$ \(\Q\) $[1672,75628,49887881,2412]$ $[836,16516,-1263521,-332270453,603]$ $[408348897330176/603,9649919856896/603,-883069772816/603]$ $y^2 + (x^2 + 1)y = x^5 + 8x^4 + 4x^3 + 4x^2 + 2x$
603.a.603.2 603.a \( 3^{2} \cdot 67 \) $0$ $\Z/10\Z$ \(\Q\) $[176,148,7375,-2412]$ $[88,298,1361,7741,-603]$ $[-5277319168/603,-203078656/603,-10539584/603]$ $y^2 + (x^2 + 1)y = x^5 - x^3 + x$
640.a.81920.2 640.a \( 2^{7} \cdot 5 \) $0$ $\Z/12\Z$ \(\mathsf{CM} \times \Q\) $[912,147,44562,10]$ $[3648,552928,111431680,25193348864,81920]$ $[39432490647552/5,1638374321664/5,18102076416]$ $y^2 + x^3y = -3x^4 + 13x^2 - 20$
644.a.659456.1 644.a \( 2^{2} \cdot 7 \cdot 23 \) $0$ $\Z/2\Z$ \(\Q \times \Q\) $[161796,1070662305,46065265919409,84410368]$ $[40449,23560804,14638854160,9253881697856,659456]$ $[108277681088425330677249/659456,389810454818831018649/164864,9297727292338785/256]$ $y^2 + (x^2 + x)y = -3x^6 - 13x^5 + 4x^4 + 51x^3 + 4x^2 - 13x - 3$
644.b.14812.1 644.b \( 2^{2} \cdot 7 \cdot 23 \) $0$ $\Z/10\Z$ \(\Q\) $[1268,-40511,-17688719,-1895936]$ $[317,5875,170781,4905488,-14812]$ $[-3201078401357/14812,-187148201375/14812,-17161611909/14812]$ $y^2 + (x^3 + 1)y = x^5 - x^4 - 4x^3 + 5x^2 - x - 1$
686.a.686.1 686.a \( 2 \cdot 7^{3} \) $0$ $\Z/6\Z$ \(\mathsf{CM} \times \Q\) $[420,4305,640185,87808]$ $[105,280,-980,-45325,686]$ $[37209375/2,472500,-15750]$ $y^2 + (x^2 + x)y = x^5 + x^4 + 2x^3 + x^2 + x$
688.a.2752.1 688.a \( 2^{4} \cdot 43 \) $0$ $\Z/20\Z$ \(\Q\) $[32,112,-680,-344]$ $[32,-32,1344,10496,-2752]$ $[-524288/43,16384/43,-21504/43]$ $y^2 + y = 2x^5 - 5x^4 + 4x^3 - x$
688.a.704512.2 688.a \( 2^{4} \cdot 43 \) $0$ $\Z/10\Z$ \(\Q\) $[464,-248,-39602,-86]$ $[1856,146176,15688704,1937702912,-704512]$ $[-1344218660864/43,-57041383424/43,-3298550016/43]$ $y^2 = 2x^5 - 7x^4 - 8x^3 + 2x^2 + 4x + 1$
691.a.691.1 691.a \( 691 \) $0$ $\Z/8\Z$ \(\Q\) $[104,-824,-20333,-2764]$ $[52,250,601,-7812,-691]$ $[-380204032/691,-35152000/691,-1625104/691]$ $y^2 + (x + 1)y = x^5 - x^3 - x^2$
708.a.19116.1 708.a \( 2^{2} \cdot 3 \cdot 59 \) $0$ $\Z/10\Z$ \(\Q\) $[908,-132815,8426215,2446848]$ $[227,7681,-438901,-39657072,19116]$ $[602738989907/19116,89845294523/19116,-383324231/324]$ $y^2 + (x^3 + 1)y = -x^5 + 4x^2 + 4x - 1$
709.a.709.1 709.a \( 709 \) $0$ $\Z/8\Z$ \(\Q\) $[160,-1280,-42089,2836]$ $[80,480,1121,-35180,709]$ $[3276800000/709,245760000/709,7174400/709]$ $y^2 + xy = x^5 - 2x^2 + x$
720.b.116640.1 720.b \( 2^{4} \cdot 3^{2} \cdot 5 \) $0$ $\Z/2\Z\oplus\Z/12\Z$ \(\Q \times \Q\) $[35416,45688,537039964,466560]$ $[17708,13057938,12831384960,14177105014959,116640]$ $[54412363190235229024/3645,251762275020280012/405,310461362928064/9]$ $y^2 + (x^3 + x)y = -6x^4 + 39x^2 - 90$
731.a.12427.1 731.a \( 17 \cdot 43 \) $0$ $\Z/10\Z$ \(\Q\) $[480,-21564,-3373785,-49708]$ $[240,5994,167265,1053891,-12427]$ $[-796262400000/12427,-82861056000/12427,-9634464000/12427]$ $y^2 + (x^3 + x^2)y = x^5 + 2x^4 - x - 3$
763.a.763.1 763.a \( 7 \cdot 109 \) $0$ $\Z/10\Z$ \(\Q\) $[216,1116,75735,-3052]$ $[108,300,81,-20313,-763]$ $[-14693280768/763,-377913600/763,-944784/763]$ $y^2 + (x^3 + x)y = -2x^4 + 2x^2 - x$
768.a.1536.1 768.a \( 2^{8} \cdot 3 \) $0$ $\Z/2\Z\oplus\Z/6\Z$ \(\Q\) $[134,82,3600,6]$ $[268,2774,35236,437043,1536]$ $[2700250214/3,417158281/12,39543601/24]$ $y^2 + y = 2x^5 - x^4 - 3x^3 + x$
768.a.4608.1 768.a \( 2^{8} \cdot 3 \) $0$ $\Z/2\Z\oplus\Z/6\Z$ \(\Q\) $[38,22,384,18]$ $[76,182,-476,-17325,4608]$ $[4952198/9,624169/36,-42959/72]$ $y^2 + (x^3 + x^2 + x + 1)y = -x^3 - x^2 - x - 1$
784.a.1568.1 784.a \( 2^{4} \cdot 7^{2} \) $0$ $\Z/12\Z$ \(\Q \times \Q\) $[792,120,15228,6272]$ $[396,6514,144256,3673295,1568]$ $[304316815968/49,12641055372/49,14427072]$ $y^2 + (x^3 + x)y = -2x^4 + 3x^2 - 2$
784.b.12544.1 784.b \( 2^{4} \cdot 7^{2} \) $0$ $\Z/2\Z\oplus\Z/6\Z$ \(\Q \times \Q\) $[116,445,16259,1568]$ $[116,264,-1280,-54544,12544]$ $[82044596/49,1609674/49,-67280/49]$ $y^2 + (x^3 + x)y = -1$
800.a.409600.1 800.a \( 2^{5} \cdot 5^{2} \) $0$ $\Z/24\Z$ \(\Q \times \Q\) $[120,309,14889,50]$ $[480,6304,-151552,-28121344,409600]$ $[62208000,1702080,-85248]$ $y^2 = x^6 - 2x^2 + 1$
807.a.2421.1 807.a \( 3 \cdot 269 \) $0$ $\Z/8\Z$ \(\Q\) $[680,640,153059,9684]$ $[340,4710,84049,1598140,2421]$ $[4543542400000/2421,61707280000/807,9716064400/2421]$ $y^2 + (x^3 + x)y = x^5 - 2x^3 - x^2 + 2x - 1$
816.a.13872.1 816.a \( 2^{4} \cdot 3 \cdot 17 \) $0$ $\Z/2\Z\oplus\Z/6\Z$ \(\Q\) $[688,9592,2944404,55488]$ $[344,3332,-80164,-9669660,13872]$ $[301073291264/867,498667904/51,-592892944/867]$ $y^2 + (x^3 + x^2)y = -2x^4 + 6x^2 - 8x + 3$
864.a.442368.1 864.a \( 2^{5} \cdot 3^{3} \) $0$ $\Z/12\Z$ \(\mathsf{CM} \times \Q\) $[552,45,7083,54]$ $[2208,202656,24809472,3427464960,442368]$ $[118634674176,4931431104,273421056]$ $y^2 = x^6 - 4x^4 + 6x^2 - 3$
882.a.63504.1 882.a \( 2 \cdot 3^{2} \cdot 7^{2} \) $0$ $\Z/2\Z\oplus\Z/8\Z$ \(\Q \times \Q\) $[548,6049,662961,8128512]$ $[137,530,6336,146783,63504]$ $[48261724457/63504,681408545/31752,825836/441]$ $y^2 + (x^2 + x)y = x^5 + x^4 + x^3 + 3x^2 + 3x + 1$
909.a.909.1 909.a \( 3^{2} \cdot 101 \) $0$ $\Z/8\Z$ \(\Q\) $[40,-200,-5469,3636]$ $[20,50,441,1580,909]$ $[3200000/909,400000/909,19600/101]$ $y^2 + (x^3 + x)y = -x^4 + x^2 - x$
925.a.925.1 925.a \( 5^{2} \cdot 37 \) $0$ $\Z/8\Z$ \(\Q\) $[40,-944,-14117,3700]$ $[20,174,713,-4004,925]$ $[128000/37,55680/37,11408/37]$ $y^2 + (x + 1)y = -x^5 + 2x^4 - x^3 - x^2$
930.a.930.1 930.a \( 2 \cdot 3 \cdot 5 \cdot 31 \) $0$ $\Z/2\Z\oplus\Z/4\Z$ \(\Q \times \Q\) $[46596,239073,3674852529,119040]$ $[11649,5644172,3640360380,2637470125259,930]$ $[71502622649365111083/310,1487013548016809538/155,531176338621566]$ $y^2 + (x^2 + x)y = -x^5 - 7x^4 + 37x^2 - 45x + 15$
960.a.245760.1 960.a \( 2^{6} \cdot 3 \cdot 5 \) $0$ $\Z/2\Z\oplus\Z/4\Z$ \(\Q \times \Q\) $[120,213,10095,30]$ $[480,7328,-15360,-15268096,245760]$ $[103680000,3297600,-14400]$ $y^2 = 2x^5 + x^4 + 4x^3 + x^2 + 2x$
960.a.368640.1 960.a \( 2^{6} \cdot 3 \cdot 5 \) $0$ $\Z/2\Z\oplus\Z/4\Z$ \(\Q \times \Q\) $[8952,6072,17987052,1440]$ $[17904,13340192,13237770240,14762078945024,368640]$ $[24952719973569408/5,1038436236963696/5,11510985848256]$ $y^2 = x^5 + 13x^4 + 44x^3 + 13x^2 + x$
960.a.983040.1 960.a \( 2^{6} \cdot 3 \cdot 5 \) $0$ $\Z/2\Z\oplus\Z/4\Z$ \(\Q \times \Q\) $[9,33,666,120]$ $[36,-298,-34260,-330541,983040]$ $[19683/320,-36207/2560,-46251/1024]$ $y^2 = x^5 - 2x^4 - x^3 - 2x^2 + x$
966.a.834624.1 966.a \( 2 \cdot 3 \cdot 7 \cdot 23 \) $0$ $\Z/2\Z\oplus\Z/12\Z$ \(\Q\) $[92,24673,-557265,-106831872]$ $[23,-1006,14336,-170577,-834624]$ $[-279841/36288,266087/18144,-736/81]$ $y^2 + (x^2 + x)y = x^5 - x^4 + x^3 + x^2 - x + 1$
970.a.1940.1 970.a \( 2 \cdot 5 \cdot 97 \) $0$ $\Z/10\Z$ \(\Q\) $[24,684,4887,7760]$ $[12,-108,-159,-3393,1940]$ $[62208/485,-46656/485,-5724/485]$ $y^2 + (x + 1)y = x^5 + x^4 + x^3 + x^2$
975.a.63375.1 975.a \( 3 \cdot 5^{2} \cdot 13 \) $0$ $\Z/2\Z\oplus\Z/6\Z$ \(\Q\) $[148,-48575,-4076175,-8112000]$ $[37,2081,35929,-750297,-63375]$ $[-69343957/63375,-105408893/63375,-49186801/63375]$ $y^2 + (x^3 + 1)y = -x^5 + x^3 + 2x^2 + x - 1$
990.a.8910.1 990.a \( 2 \cdot 3^{2} \cdot 5 \cdot 11 \) $0$ $\Z/2\Z\oplus\Z/4\Z$ \(\Q \times \Q\) $[3268,252577,318023313,1140480]$ $[817,17288,-766260,-231227341,8910]$ $[364007458703857/8910,4713906106372/4455,-57404054]$ $y^2 + (x^2 + x)y = 3x^5 + 4x^4 + 7x^3 + 4x^2 + 3x$
990.a.240570.1 990.a \( 2 \cdot 3^{2} \cdot 5 \cdot 11 \) $0$ $\Z/2\Z\oplus\Z/2\Z$ \(\Q \times \Q\) $[153028,6848257,343366646113,30792960]$ $[38257,60697908,127876480380,301983618580299,240570]$ $[81951056110393451083057/240570,188813894774599018858/13365,7001861848004294/9]$ $y^2 + (x^2 + x)y = 3x^5 + 28x^4 + 72x^3 + 28x^2 + 3x$
997.a.997.2 997.a \( 997 \) $0$ $\Z/8\Z$ \(\Q\) $[64,184,391,3988]$ $[32,12,305,2404,997]$ $[33554432/997,393216/997,312320/997]$ $y^2 + (x + 1)y = x^5 + x^4$
1008.a.27216.1 1008.a \( 2^{4} \cdot 3^{2} \cdot 7 \) $0$ $\Z/2\Z\oplus\Z/8\Z$ \(\Q \times \Q\) $[8456,9496,26675348,108864]$ $[4228,743250,173847744,45651924783,27216]$ $[12063042849801664/243,167186257609000/81,3083035208512/27]$ $y^2 + (x^3 + x)y = -4x^4 + 15x^2 - 21$
1047.a.3141.1 1047.a \( 3 \cdot 349 \) $0$ $\Z/10\Z$ \(\Q\) $[8,604,1017,-12564]$ $[4,-100,-1,-2501,-3141]$ $[-1024/3141,6400/3141,16/3141]$ $y^2 + (x^3 + x)y = x$
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