Cremona's table of elliptic curves

1568 = 2⁵ · 7²

Field	Data	Notes
Atkin-Lehner	2- 7-	Signs for the Atkin-Lehner involutions
Class	1568i	Isogeny class
Conductor	1568	Conductor
∏ cp	2	Product of Tamagawa factors cp
Δ	175616 = 29 · 73	Discriminant
Eigenvalues	2- -2  2 7- -4  6 -4 -6	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-72,-260]	[a1,a2,a3,a4,a6]
Generators	[11:20:1]	Generators of the group modulo torsion
j	238328	j-invariant
L	2.2821998603976	L(r)(E,1)/r!
Ω	1.637474561183	Real period
R	2.7874629804921	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	1568d2 3136i2 14112ba2 39200o2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 1568i2

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	-	-4	6	-4	-6	4	-6	4	-6	4	-12	12	6	-6	-6	-12	-8	0	0	-6	-16	-12

---

Quadratic twists for elliptic curve 1568i2

-4	8	-3	5	-7
1568d2	3136i2	14112ba2	39200o2	1568h2

---

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