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	663b	Isogeny class
Conductor	663	Conductor
∏ cp	16	Product of Tamagawa factors cp
Δ	-7345472585373 = -1 · 34 · 13 · 178	Discriminant
Eigenvalues	-1 3+ -2  0  4 13- 17- -4	Hecke eigenvalues for primes up to 20
Equation	[1,1,1,3876,-89910]	[a1,a2,a3,a4,a6]
Generators	[25:140:1]	Generators of the group modulo torsion
j	6439735268725823/7345472585373	j-invariant
L	1.1920969617698	L(r)(E,1)/r!
Ω	0.40059551251327	Real period
R	0.74395301777771	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	10608ba6 42432s5 1989e6 16575f6	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 663b6

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

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Quadratic twists for elliptic curve 663b6

-4	8	-3	5	-7	-11	13	17
10608ba6	42432s5	1989e6	16575f6	32487l5	80223c5	8619b6	11271h6

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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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