Cremona's table of elliptic curves

994 = 2 · 7 · 71

Field	Data	Notes
Atkin-Lehner	2- 7- 71+	Signs for the Atkin-Lehner involutions
Class	994f	Isogeny class
Conductor	994	Conductor
∏ cp	8	Product of Tamagawa factors cp
deg	128	Modular degree for the optimal curve
Δ	127232 = 28 · 7 · 71	Discriminant
Eigenvalues	2-  0 -2 7- -4 -6  6  0	Hecke eigenvalues for primes up to 20
Equation	[1,-1,1,-16,-13]	[a1,a2,a3,a4,a6]
Generators	[-1:1:1]	Generators of the group modulo torsion
j	426957777/127232	j-invariant
L	3.0834509733287	L(r)(E,1)/r!
Ω	2.4540446204528	Real period
R	0.62823857146489	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	7952d1 31808g1 8946k1 24850a1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 994f1

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	-	-4	-6	6	0	-8	-2	0	6	-10	-4	8	-2	12	10	-12	+	-6	-8	-16	2	14

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Quadratic twists for elliptic curve 994f1

-4	8	-3	5	-7	-11	-71
7952d1	31808g1	8946k1	24850a1	6958k1	120274a1	70574l1

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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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