Cremona's table of elliptic curves

20460 = 2² · 3 · 5 · 11 · 31

Class	r	Atkin-Lehner	Eigenvalues
20460a (2 curves)	0	2- 3+ 5+ 11+ 31+	2- 3+ 5+  2 11+  0 -4  2
Curve Equation t 20460a1 [0,-1,0,-1,-890] 2 20460a2 [0,-1,0,-1396,-19304] 2
20460b (2 curves)	0	2- 3+ 5+ 11+ 31+	2- 3+ 5+ -2 11+  4  0  6
Curve Equation t 20460b1 [0,-1,0,-1881,58806] 2 20460b2 [0,-1,0,-36756,2723256] 2
20460c (2 curves)	1	2- 3+ 5- 11+ 31+	2- 3+ 5- -2 11+  0  0  0
Curve Equation t Generators 20460c1 [0,-1,0,-99665,12137430] 2 [-214:4860:1] 20460c2 [0,-1,0,-118420,7268632] 2 [1629:64300:1]
20460d (2 curves)	1	2- 3+ 5- 11+ 31+	2- 3+ 5-  4 11+  6 -8 -6
Curve Equation t Generators 20460d1 [0,-1,0,-65,210] 2 [7:7:1] 20460d2 [0,-1,0,-220,-968] 2 [-6:10:1]
20460e (2 curves)	0	2- 3+ 5- 11- 31+	2- 3+ 5-  2 11-  4  4  4
Curve Equation t 20460e1 [0,-1,0,-11745,-243198] 2 20460e2 [0,-1,0,-160700,-24731400] 2
20460f (2 curves)	1	2- 3+ 5- 11- 31-	2- 3+ 5- -2 11-  4  4  0
Curve Equation t Generators 20460f1 [0,-1,0,-1625,7602] 2 [-31:165:1] 20460f2 [0,-1,0,-20380,1125400] 2 [90:110:1]
20460g (2 curves)	1	2- 3- 5+ 11+ 31+	2- 3- 5+  2 11+ -4 -4 -2
Curve Equation t Generators 20460g1 [0,1,0,17599,-436776] 2 [55:837:1] 20460g2 [0,1,0,-79276,-3769276] 2 [-76:1350:1]
20460h (2 curves)	1	2- 3- 5+ 11+ 31+	2- 3- 5+ -2 11+  0  0  6
Curve Equation t Generators 20460h1 [0,1,0,39,4464] 2 [9:75:1] 20460h2 [0,1,0,-3836,88164] 2 [4:270:1]
20460i (4 curves)	1	2- 3- 5+ 11- 31-	2- 3- 5+  2 11- -4  0  2
Curve Equation t Generators 20460i1 [0,1,0,3559,790320] 6 [-53:675:1] 20460i2 [0,1,0,-109436,13355364] 6 [-380:462:1] 20460i3 [0,1,0,-32081,-21516756] 2 [904:26250:1] 20460i4 [0,1,0,-1372676,-615668460] 2 [-89905:31878:125]
20460j (2 curves)	1	2- 3- 5+ 11- 31-	2- 3- 5+  2 11- -4  8 -2
Curve Equation t Generators 20460j1 [0,1,0,-5241,-390816] 2 [189:2325:1] 20460j2 [0,1,0,-118236,-15667740] 2 [-204:66:1]
20460k (2 curves)	1	2- 3- 5+ 11- 31-	2- 3- 5+ -2 11-  0 -4 -2
Curve Equation t Generators 20460k1 [0,1,0,-2321,42504] 2 [19:75:1] 20460k2 [0,1,0,-37196,2748804] 2 [100:198:1]
20460l (2 curves)	1	2- 3- 5+ 11- 31-	2- 3- 5+ -2 11- -4 -4  6
Curve Equation t Generators 20460l1 [0,1,0,4800799,1507769340] 2 [2392:163350:1] 20460l2 [0,1,0,-20623076,12450205140] 2 [-4709:71874:1]
20460m (1 curve)	0	2- 3- 5- 11+ 31+	2- 3- 5-  3 11+ -2  2 -2
Curve Equation t 20460m1 [0,1,0,-5,-57] 1
20460n (4 curves)	1	2- 3- 5- 11+ 31-	2- 3- 5- -4 11+  2  0  2
Curve Equation t Generators 20460n1 [0,1,0,-12385,526400] 6 [73:129:1] 20460n2 [0,1,0,-12540,512388] 6 [-84:990:1] 20460n3 [0,1,0,-16585,134540] 2 [12292:129129:64] 20460n4 [0,1,0,-165540,-25843212] 2 [-229:330:1]
20460o (2 curves)	0	2- 3- 5- 11- 31-	2- 3- 5-  4 11-  6 -4  6
Curve Equation t 20460o1 [0,1,0,-40105,-3104740] 2 20460o2 [0,1,0,-40260,-3079692] 2

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