Cremona's table of elliptic curves

90506 = 2 · 13 · 59²

Class	r	Atkin-Lehner	Eigenvalues
90506a (1 curve)	1	2+ 13- 59-	2+  0  2  1 -6 13- -3 -2
Curve Equation t Generators 90506a1 [1,-1,0,-218741471,497699176269] 1 [1775:338263:1]
90506b (2 curves)	1	2+ 13- 59-	2+ -3 -1  1  2 13- -3  6
Curve Equation t Generators 90506b1 [1,-1,0,-9355,-530363] 1 [16889:2186326:1] 90506b2 [1,-1,0,-740365,269212327] 1 [-457:22855:1]
90506c (1 curve)	1	2- 13+ 59-	2-  0  2  1  6 13+ -3 -2
Curve Equation t Generators 90506c1 [1,-1,1,-62839,-2407345] 1 [-205:1454:1]
90506d (3 curves)	1	2- 13+ 59-	2-  1 -3 -1 -6 13+ -3  2
Curve Equation t Generators 90506d1 [1,0,0,1668,-42886] 1 [1500466:17678181:10648] 90506d2 [1,0,0,-15737,1513121] 1 [550:6687:8] 90506d3 [1,0,0,-1599592,778552384] 1 [408:13720:1]
90506e (1 curve)	1	2- 13+ 59-	2- -3 -1 -5  0 13+ -6 -5
Curve Equation t Generators 90506e1 [1,-1,1,16752,-7853517] 1 [251:3355:1]
90506f (1 curve)	0	2- 13- 59-	2- -1 -3  5  2 13-  1  6
Curve Equation t 90506f1 [1,1,1,715273,-203091123] 1

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

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