Cremona's table of elliptic curves

48503 = 7 · 13² · 41

Class	r	Atkin-Lehner	Eigenvalues
48503a (2 curves)	2	7+ 13+ 41-	0  1 -3 7+  0 13+ -3  4
Curve Equation t Generators 48503a1 [0,1,1,3493,28240] 1 [966:12070:27]&[98:1149:1] 48503a2 [0,1,1,-40447,-3651735] 1 [303:3464:1]&[24810:1378867:8]
48503b (1 curve)	0	7+ 13+ 41-	2 -2  3 7+  2 13+  0  5
Curve Equation t 48503b1 [0,1,1,-18984,2255829] 1
48503c (1 curve)	0	7+ 13- 41+	-2  2 -3 7+ -6 13-  8 -5
Curve Equation t 48503c1 [0,-1,1,109118,22347782] 1
48503d (1 curve)	2	7+ 13- 41+	-2 -3 -1 7+  4 13- -7  2
Curve Equation t Generators 48503d1 [0,0,1,-13,42] 1 [-4:5:1]&[0:6:1]
48503e (1 curve)	1	7+ 13- 41-	-1 -1  0 7+  0 13-  4 -2
Curve Equation t Generators 48503e1 [1,1,1,12587,1461624] 1 [1422:53115:1]
48503f (1 curve)	2	7- 13+ 41+	0  0 -1 7-  0 13+  2 -3
Curve Equation t Generators 48503f1 [0,0,1,14872,6951857] 1 [143:-3465:1]&[130:21459:8]
48503g (1 curve)	2	7- 13+ 41+	0 -3 -1 7-  0 13+ -7  0
Curve Equation t Generators 48503g1 [0,0,1,-1215448,515766072] 1 [78520:-45608:125]&[-10:22976:1]
48503h (1 curve)	1	7- 13- 41+	1 -1  0 7-  0 13-  4  2
Curve Equation t Generators 48503h1 [1,1,0,75,694] 1 [18:82:1]
48503i (1 curve)	0	7- 13- 41-	2  2  3 7-  6 13-  8  5
Curve Equation t 48503i1 [0,-1,1,646,9973] 1
48503j (1 curve)	2	7- 13- 41-	2 -3  1 7- -4 13- -7 -2
Curve Equation t Generators 48503j1 [0,0,1,-2197,92823] 1 [226:1843:8]&[338:2193:8]

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