Cremona's table of elliptic curves

1666 = 2 · 7² · 17

Field	Data	Notes
Atkin-Lehner	2+ 7- 17-	Signs for the Atkin-Lehner involutions
Class	1666g	Isogeny class
Conductor	1666	Conductor
∏ cp	8	Product of Tamagawa factors cp
deg	3840	Modular degree for the optimal curve
Δ	-243716021248 = -1 · 210 · 77 · 172	Discriminant
Eigenvalues	2+ -2 -4 7- -4  4 17-  6	Hecke eigenvalues for primes up to 20
Equation	[1,0,1,1542,4652]	[a1,a2,a3,a4,a6]
Generators	[29:257:1]	Generators of the group modulo torsion
j	3449795831/2071552	j-invariant
L	1.1160742783854	L(r)(E,1)/r!
Ω	0.60512732825565	Real period
R	0.92218135446186	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	13328v1 53312z1 14994cr1 41650bu1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 1666g1

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

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Quadratic twists for elliptic curve 1666g1

-4	8	-3	5	-7	17
13328v1	53312z1	14994cr1	41650bu1	238e1	28322g1

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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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