Cremona's table of elliptic curves

18207 = 3² · 7 · 17²

Field	Data	Notes
Atkin-Lehner	3- 7+ 17+	Signs for the Atkin-Lehner involutions
Class	18207a	Isogeny class
Conductor	18207	Conductor
∏ cp	32	Product of Tamagawa factors cp
deg	73728	Modular degree for the optimal curve
Δ	-2154683037520251 = -1 · 37 · 74 · 177	Discriminant
Eigenvalues	0 3-  1 7+ -5 -5 17+ -5	Hecke eigenvalues for primes up to 20
Equation	[0,0,1,-13872,2320164]	[a1,a2,a3,a4,a6]
Generators	[-166:220:1] [68:1300:1]	Generators of the group modulo torsion
j	-16777216/122451	j-invariant
L	6.161147789418	L(r)(E,1)/r!
Ω	0.39795068608628	Real period
R	0.48381841054942	Regulator
r	2	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	6069d1 127449z1 1071c1	Quadratic twists by: -3 -7 17

Hecke Eigenvalues for elliptic curve 18207a1

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	-	1	+	-5	-5	+	-5	-1	-6	6	-4	7	-7	-6	-6	-14	0	-12	4	-6	6	6	-12	-8

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Quadratic twists for elliptic curve 18207a1

-3	-7	17
6069d1	127449z1	1071c1

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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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