Cremona's table of elliptic curves

1806 = 2 · 3 · 7 · 43

Field	Data	Notes
Atkin-Lehner	2- 3+ 7- 43+	Signs for the Atkin-Lehner involutions
Class	1806j	Isogeny class
Conductor	1806	Conductor
∏ cp	24	Product of Tamagawa factors cp
Δ	1639085868 = 22 · 34 · 76 · 43	Discriminant
Eigenvalues	2- 3+  0 7- -4 -2 -2 -8	Hecke eigenvalues for primes up to 20
Equation	[1,1,1,-853,-9745]	[a1,a2,a3,a4,a6]
Generators	[-17:22:1]	Generators of the group modulo torsion
j	68644006908625/1639085868	j-invariant
L	3.6129999234499	L(r)(E,1)/r!
Ω	0.88469072856529	Real period
R	0.68065215839309	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	14448x2 57792bq2 5418g2 45150z2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 1806j2

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

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Quadratic twists for elliptic curve 1806j2

-4	8	-3	5	-7	-43
14448x2	57792bq2	5418g2	45150z2	12642bg2	77658p2

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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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