Cremona's table of elliptic curves

1568 = 2⁵ · 7²

Field	Data	Notes
Atkin-Lehner	2+ 7-	Signs for the Atkin-Lehner involutions
Class	1568f	Isogeny class
Conductor	1568	Conductor
∏ cp	4	Product of Tamagawa factors cp
Δ	20661046784 = 29 · 79	Discriminant
Eigenvalues	2+ -2 -2 7-  4 -6  4 -6	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-3544,-82104]	[a1,a2,a3,a4,a6]
j	238328	j-invariant
L	0.61890720958355	L(r)(E,1)/r!
Ω	0.61890720958355	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	1568h2 3136h2 14112cb2 39200cd2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 1568f2

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

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Quadratic twists for elliptic curve 1568f2

-4	8	-3	5	-7
1568h2	3136h2	14112cb2	39200cd2	1568d2

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Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

Part of Computational Number Theory
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