Cremona's table of elliptic curves

399 = 3 · 7 · 19

Class	r	Atkin-Lehner	Eigenvalues
399a (2 curves)	1	3+ 7+ 19+	1 3+  0 7+ -2 -4 -4 19+
Curve Equation t Generators 399a1 [1,1,0,-210,-441] 2 [-10:33:1] 399a2 [1,1,0,-1925,31458] 2 [-34:260:1]
399b (2 curves)	1	3+ 7- 19-	-1 3+  0 7- -2  0 -4 19-
Curve Equation t Generators 399b1 [1,1,1,-13,-22] 2 [-2:1:1] 399b2 [1,1,1,-48,90] 2 [-2:14:1]
399c (2 curves)	0	3- 7+ 19+	-1 3-  4 7+ -2  4  0 19+
Curve Equation t 399c1 [1,0,0,-431,3408] 2 399c2 [1,0,0,-466,2813] 2

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

Part of Computational Number Theory
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