Cremona's table of elliptic curves

1660 = 2² · 5 · 83

Class	r	Atkin-Lehner	Eigenvalues
1660a (2 curves)	0	2- 5+ 83+	2-  1 5+ -1  3  2  3  2
Curve Equation t 1660a1 [0,1,0,-1381,19300] 3 1660a2 [0,1,0,-1221,24104] 1
1660b (1 curve)	1	2- 5+ 83-	2- -1 5+ -3  5  2  3  6
Curve Equation t Generators 1660b1 [0,-1,0,-21,46] 1 [1:5:1]
1660c (1 curve)	1	2- 5- 83+	2- -3 5-  3 -5 -2 -1 -2
Curve Equation t Generators 1660c1 [0,0,0,8,1] 1 [2:5:1]

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

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