Cremona's table of elliptic curves

6566 = 2 · 7² · 67

Field	Data	Notes
Atkin-Lehner	2+ 7- 67-	Signs for the Atkin-Lehner involutions
Class	6566c	Isogeny class
Conductor	6566	Conductor
∏ cp	4	Product of Tamagawa factors cp
Δ	367696 = 24 · 73 · 67	Discriminant
Eigenvalues	2+  0  2 7-  0 -2  0 -2	Hecke eigenvalues for primes up to 20
Equation	[1,-1,0,-40021,-3071643]	[a1,a2,a3,a4,a6]
Generators	[55842:393739:216]	Generators of the group modulo torsion
j	20668050043604991/1072	j-invariant
L	3.2090676544557	L(r)(E,1)/r!
Ω	0.33754141136872	Real period
R	9.5071820712103	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	52528x2 59094cd2 6566d2	Quadratic twists by: -4 -3 -7

Hecke Eigenvalues for elliptic curve 6566c2

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
+	0	2	-	0	-2	0	-2	0	6	4	-6	-6	8	6	6	-6	14	-	-8	-4	-4	-10	-16	10

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Quadratic twists for elliptic curve 6566c2

-4	-3	-7
52528x2	59094cd2	6566d2

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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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