Cremona's table of elliptic curves

663 = 3 · 13 · 17

Field	Data	Notes
Atkin-Lehner	3+ 13+ 17-	Signs for the Atkin-Lehner involutions
Class	663a	Isogeny class
Conductor	663	Conductor
∏ cp	4	Product of Tamagawa factors cp
Δ	1996623837 = 312 · 13 · 172	Discriminant
Eigenvalues	1 3+ -4  2  6 13+ 17-  4	Hecke eigenvalues for primes up to 20
Equation	[1,1,0,-327,-900]	[a1,a2,a3,a4,a6]
j	3885442650361/1996623837	j-invariant
L	1.1861398733197	L(r)(E,1)/r!
Ω	1.1861398733197	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	10608x2 42432bi2 1989d2 16575j2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 663a2

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
1	+	-4	2	6	+	-	4	0	-6	10	-4	0	12	8	2	-8	-10	12	2	4	-4	-12	-6	8

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Quadratic twists for elliptic curve 663a2

-4	8	-3	5	-7	-11	13	17
10608x2	42432bi2	1989d2	16575j2	32487r2	80223h2	8619d2	11271d2

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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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