Cremona's table of elliptic curves

506 = 2 · 11 · 23

Class	r	Atkin-Lehner	Eigenvalues
506a (1 curve)	1	2+ 11+ 23+	2+ -2  1 -1 11+  3  3 -6
Curve Equation t Generators 506a1 [1,0,1,-48,-130] 1 [-4:2:1]
506b (1 curve)	0	2+ 11+ 23-	2+  0 -3  3 11+  5  5 -2
Curve Equation t 506b1 [1,-1,0,-290561,60356981] 1
506c (2 curves)	0	2+ 11- 23+	2+ -2  3  5 11- -1 -3  2
Curve Equation t 506c1 [1,0,1,-12,8] 3 506c2 [1,0,1,-397,-3072] 1
506d (1 curve)	1	2+ 11- 23-	2+  0 -1  1 11- -7  3 -2
Curve Equation t Generators 506d1 [1,-1,0,-935,11229] 1 [17:-3:1]
506e (1 curve)	1	2- 11+ 23-	2-  0 -3 -3 11+ -1 -1 -2
Curve Equation t Generators 506e1 [1,-1,1,-4,-1] 1 [-1:1:1]
506f (1 curve)	1	2- 11- 23+	2- -2 -1 -1 11- -3 -5 -6
Curve Equation t Generators 506f1 [1,0,0,-86,292] 1 [4:2:1]

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

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