Cremona's table of elliptic curves

68900 = 2² · 5² · 13 · 53

Class	r	Atkin-Lehner	Eigenvalues
68900a (1 curve)	0	2- 5+ 13+ 53+	2-  0 5+  0 -3 13+ -2  4
Curve Equation t 68900a1 [0,0,0,-1978175,-1071544250] 1
68900b (1 curve)	2	2- 5+ 13+ 53+	2- -2 5+  3 -5 13+  3 -2
Curve Equation t Generators 68900b1 [0,1,0,-133,423] 1 [-11:26:1]&[2:13:1]
68900c (1 curve)	1	2- 5+ 13+ 53-	2-  0 5+ -3 -3 13+ -5 -8
Curve Equation t Generators 68900c1 [0,0,0,-1730000,861662500] 1 [1116:-17914:1]
68900d (2 curves)	1	2- 5+ 13+ 53-	2-  2 5+  0  4 13+  2 -4
Curve Equation t Generators 68900d1 [0,-1,0,-333,662] 2 [-7:51:1] 68900d2 [0,-1,0,1292,3912] 2 [786:6902:27]
68900e (2 curves)	1	2- 5+ 13- 53+	2-  0 5+  2  6 13- -6 -2
Curve Equation t Generators 68900e1 [0,0,0,-11419300,-14852554875] 2 [611546184743675320080:-52353100266385313739825:69373840983003136] 68900e2 [0,0,0,-11068175,-15808668250] 2 [374984350570:17575964611400:74618461]
68900f (1 curve)	1	2- 5+ 13- 53+	2-  0 5+ -4  3 13-  2  4
Curve Equation t Generators 68900f1 [0,0,0,-575,7750] 1 [15:-50:1]
68900g (1 curve)	0	2- 5- 13- 53+	2-  0 5-  3 -3 13-  5 -8
Curve Equation t 68900g1 [0,0,0,-69200,6893300] 1
68900h (1 curve)	1	2- 5- 13- 53-	2-  2 5- -3 -5 13- -3 -2
Curve Equation t Generators 68900h1 [0,-1,0,-3333,59537] 1 [56:213:1]

Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

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