Cremona's table of elliptic curves

128686 = 2 · 37² · 47

Class	r	Atkin-Lehner	Eigenvalues
128686a (2 curves)	1	2+ 37+ 47+	2+  0  0  0  2  4  2  2
Curve Equation t Generators 128686a1 [1,-1,0,428,-33348] 2 [48270:924582:125] 128686a2 [1,-1,0,-13262,-561782] 2 [-16054353:45066349:250047]
128686b (1 curve)	0	2+ 37+ 47-	2+  0 -2  4 -1 -2  6 -8
Curve Equation t 128686b1 [1,-1,0,-60932393,-183056151731] 1
128686c (1 curve)	2	2+ 37+ 47-	2+ -2  2  2  1  2 -2 -4
Curve Equation t Generators 128686c1 [1,0,1,-6800,214878] 1 [-7:515:1]&[6:414:1]
128686d (1 curve)	0	2- 37+ 47+	2-  0  2 -1  0  0 -6  2
Curve Equation t 128686d1 [1,-1,1,-360304,-90922285] 1
128686e (1 curve)	1	2- 37+ 47-	2-  0  2  4 -1  2 -6  8
Curve Equation t Generators 128686e1 [1,-1,1,-44509,-3603099] 1 [-1899225:942104:15625]
128686f (1 curve)	1	2- 37+ 47-	2- -2 -2  2  1 -2  2  4
Curve Equation t Generators 128686f1 [1,0,0,-9308544,10912153600] 1 [-2624:132736:1]

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

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