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	1806f	Isogeny class
Conductor	1806	Conductor
∏ cp	2	Product of Tamagawa factors cp
deg	192	Modular degree for the optimal curve
Δ	-231168 = -1 · 28 · 3 · 7 · 43	Discriminant
Eigenvalues	2+ 3- -2 7-  0 -2  2 -4	Hecke eigenvalues for primes up to 20
Equation	[1,0,1,13,14]	[a1,a2,a3,a4,a6]
Generators	[8:21:1]	Generators of the group modulo torsion
j	270840023/231168	j-invariant
L	2.3876459551359	L(r)(E,1)/r!
Ω	2.0358713584136	Real period
R	2.3455764484024	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	14448p1 57792z1 5418u1 45150by1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 1806f1

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

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Quadratic twists for elliptic curve 1806f1

-4	8	-3	5	-7	-43
14448p1	57792z1	5418u1	45150by1	12642f1	77658x1

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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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