Cremona's table of elliptic curves

2720 = 2⁵ · 5 · 17

Field	Data	Notes
Atkin-Lehner	2+ 5+ 17+	Signs for the Atkin-Lehner involutions
Class	2720a	Isogeny class
Conductor	2720	Conductor
∏ cp	2	Product of Tamagawa factors cp
deg	6240	Modular degree for the optimal curve
Δ	-90870848000 = -1 · 29 · 53 · 175	Discriminant
Eigenvalues	2+  3 5+ -2 -4 -1 17+ -7	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-5443,-155242]	[a1,a2,a3,a4,a6]
Generators	[21567:606842:27]	Generators of the group modulo torsion
j	-34831225434312/177482125	j-invariant
L	4.578150750733	L(r)(E,1)/r!
Ω	0.27782903154928	Real period
R	8.2391511160723	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	2720d1 5440g1 24480bj1 13600u1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 2720a1

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
+	3	+	-2	-4	-1	+	-7	-6	-7	-1	-8	10	-2	3	-3	5	7	14	3	15	-8	0	-1	5

---

Quadratic twists for elliptic curve 2720a1

-4	8	-3	5	17
2720d1	5440g1	24480bj1	13600u1	46240s1

---

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