Cremona's table of elliptic curves

11985 = 3 · 5 · 17 · 47

Class	r	Atkin-Lehner	Eigenvalues
11985a (1 curve)	1	3+ 5+ 17+ 47+	0 3+ 5+  4  0  5 17+  0
Curve Equation t Generators 11985a1 [0,-1,1,-601,5877] 1 [25:76:1]
11985b (4 curves)	0	3+ 5+ 17- 47+	-1 3+ 5+  0  0 -2 17-  4
Curve Equation t 11985b1 [1,1,1,124,-1276] 4 11985b2 [1,1,1,-1321,-16882] 4 11985b3 [1,1,1,-20446,-1133782] 2 11985b4 [1,1,1,-5316,130134] 2
11985c (4 curves)	1	3+ 5+ 17- 47-	-1 3+ 5+  0  0  6 17-  4
Curve Equation t Generators 11985c1 [1,1,1,-18666,968838] 4 [58:263:1] 11985c2 [1,1,1,-29711,-325636] 4 [-3795:94499:125] 11985c3 [1,1,1,-353306,-80836072] 2 [-21918040:34893677:64000] 11985c4 [1,1,1,117164,-2440636] 2 [739:21730:1]
11985d (2 curves)	1	3- 5+ 17+ 47-	1 3- 5+  0 -2  2 17+  6
Curve Equation t Generators 11985d1 [1,0,1,-382654,103522931] 2 [1003:26498:1] 11985d2 [1,0,1,-6351949,6161163497] 2 [10094:94777:8]
11985e (2 curves)	1	3- 5+ 17- 47+	-1 3- 5+  0 -6  2 17- -2
Curve Equation t Generators 11985e1 [1,0,0,459,0] 2 [3:36:1] 11985e2 [1,0,0,-1836,-459] 2 [-12:147:1]

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

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