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Curve Isogeny class
LMFDB label Cremona label LMFDB label Cremona label Weierstrass Coefficients Rank Torsion structure
21840.a1 21840bf3 21840.a 21840bf [0, -1, 0, -823576, 287950576] 1 [2]
21840.a2 21840bf4 21840.a 21840bf [0, -1, 0, -819096, 291233520] 1 [2]
21840.a3 21840bf1 21840.a 21840bf [0, -1, 0, -12136, 235120] 1 [2]
21840.a4 21840bf2 21840.a 21840bf [0, -1, 0, 42744, 1727856] 1 [2]
21840.b1 21840x4 21840.b 21840x [0, -1, 0, -410066496, -3196016968704] 0 [2]
21840.b2 21840x2 21840.b 21840x [0, -1, 0, -26066496, -48138568704] 0 [2, 2]
21840.b3 21840x1 21840.b 21840x [0, -1, 0, -5094976, 3518479360] 0 [2]
21840.b4 21840x3 21840.b 21840x [0, -1, 0, 22389184, -206646789120] 0 [2]
21840.c1 21840w4 21840.c 21840w [0, -1, 0, -673856, 14572416] 0 [2]
21840.c2 21840w2 21840.c 21840w [0, -1, 0, -479456, 127635456] 0 [2, 2]
21840.c3 21840w1 21840.c 21840w [0, -1, 0, -479136, 127814400] 0 [2]
21840.c4 21840w3 21840.c 21840w [0, -1, 0, -290176, 229240960] 0 [2]
21840.d1 21840z2 21840.d 21840z [0, -1, 0, -196, -980] 0 [2]
21840.d2 21840z1 21840.d 21840z [0, -1, 0, -1, -44] 0 [2]
21840.e1 21840y4 21840.e 21840y [0, -1, 0, -171816, 27405936] 0 [2]
21840.e2 21840y2 21840.e 21840y [0, -1, 0, -15016, 60016] 0 [2, 2]
21840.e3 21840y1 21840.e 21840y [0, -1, 0, -9896, -374160] 0 [2]
21840.e4 21840y3 21840.e 21840y [0, -1, 0, 59864, 419440] 0 [2]
21840.f1 21840bd7 21840.f 21840bd [0, -1, 0, -36250856, 84007071600] 1 [2]
21840.f2 21840bd8 21840.f 21840bd [0, -1, 0, -15944936, -23731998864] 1 [2]
21840.f3 21840bd5 21840.f 21840bd [0, -1, 0, -15805496, -24180523920] 1 [2]
21840.f4 21840bd6 21840.f 21840bd [0, -1, 0, -2504936, 1019105136] 1 [2, 2]
21840.f5 21840bd4 21840.f 21840bd [0, -1, 0, -1100216, -286237584] 1 [2]
21840.f6 21840bd2 21840.f 21840bd [0, -1, 0, -987896, -377531280] 1 [2, 2]
21840.f7 21840bd1 21840.f 21840bd [0, -1, 0, -54776, -7269264] 1 [2]
21840.f8 21840bd3 21840.f 21840bd [0, -1, 0, 444184, 108416880] 1 [2]
21840.g1 21840bb4 21840.g 21840bb [0, -1, 0, -66396, 4853196] 1 [2]
21840.g2 21840bb2 21840.g 21840bb [0, -1, 0, -23556, -1383300] 1 [2]
21840.g3 21840bb1 21840.g 21840bb [0, -1, 0, -1261, -27764] 1 [2]
21840.g4 21840bb3 21840.g 21840bb [0, -1, 0, 10499, 485560] 1 [2]
21840.h1 21840bc4 21840.h 21840bc [0, -1, 0, -9016, -326480] 1 [2]
21840.h2 21840bc3 21840.h 21840bc [0, -1, 0, -3736, 85936] 1 [2]
21840.h3 21840bc2 21840.h 21840bc [0, -1, 0, -616, -3920] 1 [2, 2]
21840.h4 21840bc1 21840.h 21840bc [0, -1, 0, 104, -464] 1 [2]
21840.i1 21840b4 21840.i 21840b [0, -1, 0, -11889456, 15692828400] 0 [2]
21840.i2 21840b2 21840.i 21840b [0, -1, 0, -1212036, -101211264] 0 [2, 2]
21840.i3 21840b1 21840.i 21840b [0, -1, 0, -916791, -337052970] 0 [2]
21840.i4 21840b3 21840.i 21840b [0, -1, 0, 4741464, -806105664] 0 [4]
21840.j1 21840a4 21840.j 21840a [0, -1, 0, -12496, 541840] 1 [2]
21840.j2 21840a3 21840.j 21840a [0, -1, 0, -2616, -41184] 1 [2]
21840.j3 21840a2 21840.j 21840a [0, -1, 0, -796, 8320] 1 [2, 2]
21840.j4 21840a1 21840.j 21840a [0, -1, 0, 49, 546] 1 [2]
21840.k1 21840ba4 21840.k 21840ba [0, -1, 0, -386576, -92307840] 0 [2]
21840.k2 21840ba2 21840.k 21840ba [0, -1, 0, -29856, -702144] 0 [2, 2]
21840.k3 21840ba1 21840.k 21840ba [0, -1, 0, -16336, 801280] 0 [2]
21840.k4 21840ba3 21840.k 21840ba [0, -1, 0, 110544, -5531904] 0 [2]
21840.l1 21840be5 21840.l 21840be [0, -1, 0, -13636376, 19386011376] 1 [2]
21840.l2 21840be6 21840.l 21840be [0, -1, 0, -13103896, 20968967920] 1 [2]
21840.l3 21840be3 21840.l 21840be [0, -1, 0, -292136, -17308560] 1 [2]
21840.l4 21840be1 21840.l 21840be [0, -1, 0, -229496, -42240144] 1 [2]
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