Cremona's table of elliptic curves

2820 = 2² · 3 · 5 · 47

Field	Data	Notes
Atkin-Lehner	2- 3+ 5- 47+	Signs for the Atkin-Lehner involutions
Class	2820c	Isogeny class
Conductor	2820	Conductor
∏ cp	42	Product of Tamagawa factors cp
deg	3024	Modular degree for the optimal curve
Δ	-685260000000 = -1 · 28 · 36 · 57 · 47	Discriminant
Eigenvalues	2- 3+ 5- -2  2 -5  2 -2	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,955,37857]	[a1,a2,a3,a4,a6]
Generators	[119:-1350:1]	Generators of the group modulo torsion
j	375871176704/2676796875	j-invariant
L	2.8658005855555	L(r)(E,1)/r!
Ω	0.65939323695427	Real period
R	0.10347899167165	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	11280bc1 45120w1 8460h1 14100k1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 2820c1

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
-	+	-	-2	2	-5	2	-2	5	2	2	-8	-4	-1	+	-10	3	-5	4	15	-7	-15	-16	1	10

---

Quadratic twists for elliptic curve 2820c1

-4	8	-3	5
11280bc1	45120w1	8460h1	14100k1

---

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