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	1806a	Isogeny class
Conductor	1806	Conductor
∏ cp	1	Product of Tamagawa factors cp
deg	1008	Modular degree for the optimal curve
Δ	258048504 = 23 · 37 · 73 · 43	Discriminant
Eigenvalues	2+ 3+  1 7+ -2 -3  3  5	Hecke eigenvalues for primes up to 20
Equation	[1,1,0,-842,-9732]	[a1,a2,a3,a4,a6]
Generators	[-17:14:1]	Generators of the group modulo torsion
j	66140223486121/258048504	j-invariant
L	1.9401200523257	L(r)(E,1)/r!
Ω	0.88635216426596	Real period
R	2.1888817227997	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	14448bf1 57792bk1 5418n1 45150cy1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 1806a1

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	-3	3	5	5	-6	-5	-1	-7	+	-2	9	3	-14	-3	10	6	-4	12	-8	-16

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Quadratic twists for elliptic curve 1806a1

-4	8	-3	5	-7	-43
14448bf1	57792bk1	5418n1	45150cy1	12642p1	77658bm1

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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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