Cremona's table of elliptic curves

2686 = 2 · 17 · 79

Field	Data	Notes
Atkin-Lehner	2- 17+ 79-	Signs for the Atkin-Lehner involutions
Class	2686c	Isogeny class
Conductor	2686	Conductor
∏ cp	8	Product of Tamagawa factors cp
Δ	736434507858417904 = 24 · 1712 · 79	Discriminant
Eigenvalues	2-  1 -3  5 -6 -1 17+ -4	Hecke eigenvalues for primes up to 20
Equation	[1,0,0,-398812,-87740384]	[a1,a2,a3,a4,a6]
Generators	[-3805746:26040442:9261]	Generators of the group modulo torsion
j	7015012231880398928833/736434507858417904	j-invariant
L	4.8876701459678	L(r)(E,1)/r!
Ω	0.19126937596826	Real period
R	3.1942320361173	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	21488e2 85952f2 24174g2 67150f2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 2686c2

a2	a3	a5	a7	a11	a13	a17	a19	a23	a29	a31	a37	a41	a43	a47	a53	a59	a61	a67	a71	a73	a79	a83	a89	a97
-	1	-3	5	-6	-1	+	-4	-6	-6	2	2	-6	-4	9	12	-9	-4	-4	-3	2	-	6	-15	-7

---

Quadratic twists for elliptic curve 2686c2

-4	8	-3	5	17
21488e2	85952f2	24174g2	67150f2	45662l2

---

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