Cremona's table of elliptic curves

2720 = 2⁵ · 5 · 17

Class	r	Atkin-Lehner	Eigenvalues
2720a (1 curve)	1	2+ 5+ 17+	2+  3 5+ -2 -4 -1 17+ -7
Curve Equation t Generators 2720a1 [0,0,0,-5443,-155242] 1 [21567:606842:27]
2720b (1 curve)	0	2+ 5+ 17-	2+ -1 5+  2  0  5 17-  3
Curve Equation t 2720b1 [0,-1,0,64,136] 1
2720c (2 curves)	0	2+ 5+ 17-	2+  2 5+  2  0  2 17-  0
Curve Equation t 2720c1 [0,-1,0,-1926,-31900] 2 2720c2 [0,-1,0,-1921,-32079] 2
2720d (1 curve)	0	2- 5+ 17+	2- -3 5+  2  4 -1 17+  7
Curve Equation t 2720d1 [0,0,0,-5443,155242] 1
2720e (1 curve)	1	2- 5+ 17-	2-  1 5+ -2  0  5 17- -3
Curve Equation t Generators 2720e1 [0,1,0,64,-136] 1 [2:2:1]
2720f (2 curves)	1	2- 5+ 17-	2- -2 5+ -2  0  2 17-  0
Curve Equation t Generators 2720f1 [0,1,0,-1926,31900] 2 [21:34:1] 2720f2 [0,1,0,-1921,32079] 2 [17:68:1]

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

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