Cremona's table of elliptic curves

128650 = 2 · 5² · 31 · 83

Class	r	Atkin-Lehner	Eigenvalues
128650a (2 curves)	1	2+ 5+ 31+ 83+	2+  0 5+  2  4  2  4 -6
Curve Equation t Generators 128650a1 [1,-1,0,-3917,-111259] 2 [2000225:17962727:15625] 128650a2 [1,-1,0,-65917,-6497259] 2 [1214:40643:1]
128650b (1 curve)	1	2+ 5+ 31+ 83+	2+ -3 5+  2  1  1  4  5
Curve Equation t Generators 128650b1 [1,-1,0,111758,-124151084] 1 [1169756118020:23691221758462:1967221277]
128650c (1 curve)	0	2+ 5+ 31+ 83-	2+  1 5+  5 -3  2  6  2
Curve Equation t 128650c1 [1,0,1,499,7288] 1
128650d (1 curve)	0	2+ 5+ 31- 83+	2+  0 5+ -4  0 -4 -8  0
Curve Equation t 128650d1 [1,-1,0,-17,-859] 1
128650e (1 curve)	1	2+ 5+ 31- 83-	2+  1 5+  1 -3  4 -2  0
Curve Equation t Generators 128650e1 [1,0,1,-184701,31017048] 1 [216:992:1]
128650f (1 curve)	1	2- 5- 31+ 83+	2- -1 5- -5 -3 -2 -6  2
Curve Equation t Generators 128650f1 [1,1,1,12487,911031] 1 [1:960:1]
128650g (1 curve)	0	2- 5- 31+ 83-	2-  3 5- -2  1 -1 -4  5
Curve Equation t 128650g1 [1,-1,1,4470,-994103] 1
128650h (1 curve)	2	2- 5- 31- 83+	2- -1 5- -1 -3 -4  2  0
Curve Equation t Generators 128650h1 [1,1,1,-7388,245181] 1 [49:-87:1]&[-75:657:1]

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