Cremona's table of elliptic curves

31512 = 2³ · 3 · 13 · 101

Class	r	Atkin-Lehner	Eigenvalues
31512a (2 curves)	1	2+ 3+ 13- 101-	2+ 3+  0  2  4 13- -6  0
Curve Equation t Generators 31512a1 [0,-1,0,5252,219028] 2 [-18:344:1] 31512a2 [0,-1,0,-38688,2345724] 2 [-174:1944:1]
31512b (1 curve)	1	2+ 3+ 13- 101-	2+ 3+ -3  3 -6 13-  4 -2
Curve Equation t Generators 31512b1 [0,-1,0,-57,669] 1 [-7:26:1]
31512c (2 curves)	0	2+ 3- 13+ 101+	2+ 3-  2  2  2 13+  2  0
Curve Equation t 31512c1 [0,1,0,-307,1970] 2 31512c2 [0,1,0,-372,1008] 2
31512d (1 curve)	1	2+ 3- 13- 101+	2+ 3-  1 -3 -2 13-  0  2
Curve Equation t Generators 31512d1 [0,1,0,-2665,52091] 1 [35:-54:1]
31512e (4 curves)	1	2+ 3- 13- 101+	2+ 3- -2  0  4 13- -6 -4
Curve Equation t Generators 31512e1 [0,1,0,-124,-2368] 2 [1888:82056:1] 31512e2 [0,1,0,-3504,-80784] 4 [407886:17720677:216] 31512e3 [0,1,0,-5064,-3408] 2 [498818321117819:-1649358485121102:6510918987217] 31512e4 [0,1,0,-56024,-5122704] 2 [146432979714:-6322320647315:77308776]
31512f (1 curve)	0	2+ 3- 13- 101-	2+ 3- -1  4  0 13-  7  6
Curve Equation t 31512f1 [0,1,0,344,-1744] 1

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