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	994b	Isogeny class
Conductor	994	Conductor
∏ cp	4	Product of Tamagawa factors cp
deg	480	Modular degree for the optimal curve
Δ	-1355585392 = -1 · 24 · 75 · 712	Discriminant
Eigenvalues	2+ -2  2 7+  4  0 -4  6	Hecke eigenvalues for primes up to 20
Equation	[1,0,1,255,-796]	[a1,a2,a3,a4,a6]
j	1844124275447/1355585392	j-invariant
L	0.85383006797517	L(r)(E,1)/r!
Ω	0.85383006797517	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	7952h1 31808e1 8946s1 24850y1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 994b1

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

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Quadratic twists for elliptic curve 994b1

-4	8	-3	5	-7	-11	-71
7952h1	31808e1	8946s1	24850y1	6958h1	120274t1	70574j1

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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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