Cremona's table of elliptic curves

25721 = 17² · 89

Class	r	Atkin-Lehner	Eigenvalues
25721a (2 curves)	1	17+ 89+	1  0  0  4  2  2 17+  4
Curve Equation t Generators 25721a1 [1,-1,0,-37,-72] 2 [12744:54129:512] 25721a2 [1,-1,0,-122,455] 2 [782:7263:8]
25721b (2 curves)	1	17+ 89+	1  0  0 -4 -2  2 17+  4
Curve Equation t Generators 25721b1 [1,-1,0,-10747,-396648] 2 [4271197736:-265203635887:1124864] 25721b2 [1,-1,0,-35312,2094243] 2 [121486:14908523:8]
25721c (1 curve)	1	17+ 89+	-1  1  1  4  2  2 17+ -5
Curve Equation t Generators 25721c1 [1,0,0,-295,2938] 1 [33:155:1]
25721d (2 curves)	1	17+ 89+	-1 -2 -2 -2 -4  2 17+  4
Curve Equation t Generators 25721d1 [1,0,0,-38154,-2463677] 2 [687:16852:1] 25721d2 [1,0,0,-166759,23797464] 2 [500:7842:1]
25721e (2 curves)	0	17+ 89-	1 -2  2 -2  4  2 17+ -2
Curve Equation t 25721e1 [1,0,1,-440,2721] 2 25721e2 [1,0,1,1005,17171] 2

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

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