Cremona's table of elliptic curves

7998 = 2 · 3 · 31 · 43

Class	r	Atkin-Lehner	Eigenvalues
7998a (1 curve)	1	2+ 3+ 31+ 43+	2+ 3+  1 -2 -5  3 -3  5
Curve Equation t Generators 7998a1 [1,1,0,83,-15707] 1 [63:463:1]
7998b (1 curve)	1	2+ 3+ 31+ 43+	2+ 3+ -2  0  2  1  2 -1
Curve Equation t Generators 7998b1 [1,1,0,-21,-51] 1 [5:-2:1]
7998c (1 curve)	2	2- 3+ 31+ 43+	2- 3+ -3 -4 -5  1 -4  0
Curve Equation t Generators 7998c1 [1,1,1,-72,-183] 1 [-7:9:1]&[-5:11:1]
7998d (1 curve)	1	2- 3+ 31- 43+	2- 3+  0  2  2  1 -2 -5
Curve Equation t Generators 7998d1 [1,1,1,492,-555] 1 [3:29:1]
7998e (1 curve)	1	2- 3+ 31- 43+	2- 3+  3 -2 -5  1  1 -3
Curve Equation t Generators 7998e1 [1,1,1,-51379,-14761231] 1 [547:10734:1]
7998f (1 curve)	1	2- 3+ 31- 43+	2- 3+ -4 -2  2  1 -6 -3
Curve Equation t Generators 7998f1 [1,1,1,-1470,21081] 1 [174:-89:8]
7998g (1 curve)	1	2- 3- 31+ 43+	2- 3-  1 -5 -1  5 -2 -1
Curve Equation t Generators 7998g1 [1,0,0,-9850,375524] 1 [50:68:1]
7998h (1 curve)	0	2- 3- 31+ 43-	2- 3-  3  2 -3 -5  7  1
Curve Equation t 7998h1 [1,0,0,-49,131] 1
7998i (2 curves)	1	2- 3- 31- 43-	2- 3-  0  2 -6 -1 -6 -1
Curve Equation t Generators 7998i1 [1,0,0,122,476] 3 [-2:16:1] 7998i2 [1,0,0,-1228,-23986] 1 [838:7579:8]
7998j (1 curve)	1	2- 3- 31- 43-	2- 3- -1 -2 -1  5 -2 -4
Curve Equation t Generators 7998j1 [1,0,0,-8381,294609] 1 [-2:559:1]
7998k (2 curves)	1	2- 3- 31- 43-	2- 3- -4 -2  2 -1 -2  5
Curve Equation t Generators 7998k1 [1,0,0,5355560,7740216896] 5 [-248:80104:1] 7998k2 [1,0,0,-487383160,-4168487310304] 1 [241713692:-102326925916:1331]

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