Cremona's table of elliptic curves

780 = 2² · 3 · 5 · 13

Class	r	Atkin-Lehner	Eigenvalues
780a (2 curves)	1	2- 3+ 5- 13+	2- 3+ 5- -2 -2 13+ -2 -2
Curve Equation t Generators 780a1 [0,-1,0,-105,450] 2 [15:-45:1] 780a2 [0,-1,0,-60,792] 2 [-6:30:1]
780b (1 curve)	0	2- 3+ 5- 13-	2- 3+ 5-  3  1 13- -3 -2
Curve Equation t 780b1 [0,-1,0,195,-195975] 1
780c (2 curves)	1	2- 3- 5+ 13+	2- 3- 5+ -2 -6 13+ -2 -2
Curve Equation t Generators 780c1 [0,1,0,-81,0] 2 [-3:15:1] 780c2 [0,1,0,324,324] 2 [12:78:1]
780d (2 curves)	0	2- 3- 5+ 13-	2- 3- 5+ -1  3 13-  3  2
Curve Equation t 780d1 [0,1,0,19,15] 3 780d2 [0,1,0,-221,-1521] 1

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

Part of Computational Number Theory
Back to Tables and computations