Cremona's table of elliptic curves

6958 = 2 · 7² · 71

Field	Data	Notes
Atkin-Lehner	2+ 7- 71+	Signs for the Atkin-Lehner involutions
Class	6958d	Isogeny class
Conductor	6958	Conductor
∏ cp	8	Product of Tamagawa factors cp
deg	27648	Modular degree for the optimal curve
Δ	-52076168419072 = -1 · 28 · 79 · 712	Discriminant
Eigenvalues	2+ -2  2 7-  4  0  0 -2	Hecke eigenvalues for primes up to 20
Equation	[1,0,1,-18205,1005624]	[a1,a2,a3,a4,a6]
j	-5671177348537/442640128	j-invariant
L	1.239100276274	L(r)(E,1)/r!
Ω	0.61955013813701	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	55664ba1 62622cp1 994c1	Quadratic twists by: -4 -3 -7

Hecke Eigenvalues for elliptic curve 6958d1

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	0	0	-2	8	6	8	6	-12	-4	-12	6	4	0	4	+	14	4	14	-6	12

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Quadratic twists for elliptic curve 6958d1

-4	-3	-7
55664ba1	62622cp1	994c1

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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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