Cremona's table of elliptic curves

2840 = 2³ · 5 · 71

Class	r	Atkin-Lehner	Eigenvalues
2840a (2 curves)	0	2+ 5+ 71-	2+  0 5+  4 -2  0  2  0
Curve Equation t 2840a1 [0,0,0,-43,342] 2 2840a2 [0,0,0,-1043,12942] 2
2840b (1 curve)	0	2+ 5- 71+	2+  3 5- -1 -2  1  2  1
Curve Equation t 2840b1 [0,0,0,-16867,219326] 1
2840c (2 curves)	0	2- 5+ 71+	2-  0 5+ -2  0  4 -4  4
Curve Equation t 2840c1 [0,0,0,-26018,1615317] 2 2840c2 [0,0,0,-25663,1661538] 2
2840d (1 curve)	0	2- 5+ 71+	2-  3 5+  1  6  1 -4  7
Curve Equation t 2840d1 [0,0,0,-43,-58] 1
2840e (2 curves)	1	2- 5+ 71-	2-  0 5+ -2  4  4  0 -4
Curve Equation t Generators 2840e1 [0,0,0,17,18] 2 [1:6:1] 2840e2 [0,0,0,-83,158] 2 [11:24:1]

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