Cremona's table of elliptic curves

20670 = 2 · 3 · 5 · 13 · 53

Class	r	Atkin-Lehner	Eigenvalues
20670a (2 curves)	1	2+ 3+ 5+ 13+ 53+	2+ 3+ 5+  0  0 13+  0  0
Curve Equation t Generators 20670a1 [1,1,0,6532,-171312] 2 [141:1821:1] 20670a2 [1,1,0,-35068,-1610672] 2 [5727:17167:27]
20670b (2 curves)	1	2+ 3+ 5+ 13+ 53+	2+ 3+ 5+  0  4 13+  4  4
Curve Equation t Generators 20670b1 [1,1,0,-26878,2213428] 2 [164:1418:1] 20670b2 [1,1,0,-466278,122345388] 2 [11019:7528:27]
20670c (2 curves)	0	2+ 3+ 5+ 13+ 53-	2+ 3+ 5+  0 -6 13+  0  6
Curve Equation t 20670c1 [1,1,0,-4879643,-6415385187] 2 20670c2 [1,1,0,-89379643,-325200085187] 2
20670d (1 curve)	0	2+ 3+ 5+ 13+ 53-	2+ 3+ 5+  4 -3 13+ -4  2
Curve Equation t 20670d1 [1,1,0,-4968,-137628] 1
20670e (2 curves)	0	2+ 3+ 5+ 13+ 53-	2+ 3+ 5+  4 -6 13+  0 -6
Curve Equation t 20670e1 [1,1,0,31692,1946448] 2 20670e2 [1,1,0,-173108,17797968] 2
20670f (2 curves)	0	2+ 3+ 5+ 13+ 53-	2+ 3+ 5+ -4  6 13+ -4 -2
Curve Equation t 20670f1 [1,1,0,-130162988,572200977168] 2 20670f2 [1,1,0,-2083287988,36598372852168] 2
20670g (1 curve)	0	2+ 3+ 5+ 13+ 53-	2+ 3+ 5+ -5  0 13+ -6  0
Curve Equation t 20670g1 [1,1,0,562289682,1461687086388] 1
20670h (1 curve)	0	2+ 3+ 5+ 13- 53+	2+ 3+ 5+ -5  5 13-  4 -1
Curve Equation t 20670h1 [1,1,0,-3028,-74672] 1
20670i (2 curves)	1	2+ 3+ 5- 13+ 53-	2+ 3+ 5- -2  0 13+  8  2
Curve Equation t Generators 20670i1 [1,1,0,-19169527,42012593941] 2 [-4593:184484:1] 20670i2 [1,1,0,-331669527,2324575093941] 2 [-18543:1458159:1]
20670j (2 curves)	1	2+ 3+ 5- 13+ 53-	2+ 3+ 5- -2  4 13+ -2 -2
Curve Equation t Generators 20670j1 [1,1,0,-2305927,-1248580619] 2 [-1035:6056:1] 20670j2 [1,1,0,2417993,-5701347611] 2 [6130:486337:1]
20670k (2 curves)	1	2+ 3+ 5- 13- 53+	2+ 3+ 5-  2 -2 13-  2 -4
Curve Equation t Generators 20670k1 [1,1,0,-212,636] 2 [-13:44:1] 20670k2 [1,1,0,-1462,-21614] 2 [-23:34:1]
20670l (1 curve)	0	2+ 3+ 5- 13- 53-	2+ 3+ 5-  5  0 13-  6  4
Curve Equation t 20670l1 [1,1,0,-32,96] 1
20670m (2 curves)	1	2+ 3- 5+ 13+ 53-	2+ 3- 5+  0  0 13+  4  4
Curve Equation t Generators 20670m1 [1,0,1,-14,236] 2 [3:13:1] 20670m2 [1,0,1,-664,6476] 2 [-26:92:1]
20670n (1 curve)	1	2+ 3- 5+ 13- 53+	2+ 3- 5+  0  3 13-  0 -6
Curve Equation t Generators 20670n1 [1,0,1,6,16] 1 [-1:3:1]
20670o (2 curves)	0	2+ 3- 5- 13+ 53-	2+ 3- 5- -2 -6 13+ -6  8
Curve Equation t 20670o1 [1,0,1,-13783,-604294] 2 20670o2 [1,0,1,-218583,-39352454] 2
20670p (1 curve)	0	2+ 3- 5- 13- 53+	2+ 3- 5-  3 -4 13- -6 -8
Curve Equation t 20670p1 [1,0,1,445217,-92871694] 1
20670q (1 curve)	1	2+ 3- 5- 13- 53-	2+ 3- 5-  1 -1 13-  0 -3
Curve Equation t Generators 20670q1 [1,0,1,-2308,42968] 1 [-26:305:1]
20670r (1 curve)	1	2- 3+ 5+ 13+ 53-	2- 3+ 5+ -1  3 13+ -4  7
Curve Equation t Generators 20670r1 [1,1,1,3574,109199] 1 [-1:325:1]
20670s (2 curves)	1	2- 3+ 5+ 13+ 53-	2- 3+ 5+  2  0 13+ -4 -2
Curve Equation t Generators 20670s1 [1,1,1,1429,-34471] 2 [23:94:1] 20670s2 [1,1,1,-11371,-387751] 2 [-79:198:1]
20670t (2 curves)	1	2- 3+ 5+ 13+ 53-	2- 3+ 5+  2  2 13+ -2  4
Curve Equation t Generators 20670t1 [1,1,1,-1216,15713] 2 [-19:189:1] 20670t2 [1,1,1,-2016,-8607] 2 [-23:173:1]
20670u (1 curve)	1	2- 3+ 5+ 13- 53+	2- 3+ 5+  0  5 13-  4  2
Curve Equation t Generators 20670u1 [1,1,1,-77616,-17727087] 1 [949:27173:1]
20670v (2 curves)	1	2- 3+ 5+ 13- 53+	2- 3+ 5+  2 -6 13-  6 -8
Curve Equation t Generators 20670v1 [1,1,1,-7761726,8311723899] 2 [1453:9479:1] 20670v2 [1,1,1,-9761726,3692523899] 2 [5141:296455:1]
20670w (2 curves)	1	2- 3+ 5+ 13- 53+	2- 3+ 5+ -2 -4 13- -2  2
Curve Equation t Generators 20670w1 [1,1,1,-741,4779] 2 [-9:108:1] 20670w2 [1,1,1,2139,35883] 2 [1:194:1]
20670x (1 curve)	0	2- 3+ 5- 13+ 53-	2- 3+ 5- -3  0 13+ -2 -4
Curve Equation t 20670x1 [1,1,1,57680,-6198193] 1
20670y (6 curves)	1	2- 3+ 5- 13- 53-	2- 3+ 5-  0  4 13- -6  4
Curve Equation t Generators 20670y1 [1,1,1,1705,235757] 4 [-13:466:1] 20670y2 [1,1,1,-48295,3895757] 8 [237:2296:1] 20670y3 [1,1,1,-132795,-13578843] 4 [11469:65092:27] 20670y4 [1,1,1,-763795,256610357] 4 [167630:24161259:8] 20670y5 [1,1,1,-1958645,-1055774023] 2 [36228540:-5251981541:1728] 20670y6 [1,1,1,341055,-88068063] 2 [71457870:965610751:287496]
20670z (4 curves)	0	2- 3- 5+ 13- 53+	2- 3- 5+  2  6 13- -6 -4
Curve Equation t 20670z1 [1,0,0,-1789781,921025761] 6 20670z2 [1,0,0,-2109781,568833761] 6 20670z3 [1,0,0,-5571221,-3972135135] 2 20670z4 [1,0,0,-83696221,-294706510135] 2
20670ba (1 curve)	0	2- 3- 5+ 13- 53+	2- 3- 5+  3  1 13-  4  5
Curve Equation t 20670ba1 [1,0,0,-6836,565710] 1
20670bb (2 curves)	1	2- 3- 5- 13+ 53-	2- 3- 5-  0  2 13+ -2 -6
Curve Equation t Generators 20670bb1 [1,0,0,-14535,-2354982903] 2 [1854:62253:1] 20670bb2 [1,0,0,-26638535,-52083290103] 2 [-3026:30133:1]
20670bc (4 curves)	1	2- 3- 5- 13+ 53-	2- 3- 5-  0 -4 13+ -2  0
Curve Equation t Generators 20670bc1 [1,0,0,-945,11097] 4 [2:95:1] 20670bc2 [1,0,0,-1125,6525] 4 [-2:661:8] 20670bc3 [1,0,0,-9075,-328965] 2 [-562342:929111:10648] 20670bc4 [1,0,0,3945,50127] 2 [8756:109307:64]
20670bd (2 curves)	1	2- 3- 5- 13- 53+	2- 3- 5-  0 -2 13- -8  2
Curve Equation t Generators 20670bd1 [1,0,0,3705,38025] 2 [0:195:1] 20670bd2 [1,0,0,-16295,314025] 2 [1570:61225:1]

Data from Elliptic Curve Data by J. E. Cremona.
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