Cremona's table of elliptic curves

2205 = 3² · 5 · 7²

Field	Data	Notes
Atkin-Lehner	3+ 5+ 7-	Signs for the Atkin-Lehner involutions
Class	2205a	Isogeny class
Conductor	2205	Conductor
∏ cp	4	Product of Tamagawa factors cp
deg	1152	Modular degree for the optimal curve
Δ	843908625 = 39 · 53 · 73	Discriminant
Eigenvalues	1 3+ 5+ 7- -2 -6  6  6	Hecke eigenvalues for primes up to 20
Equation	[1,-1,0,-555,4976]	[a1,a2,a3,a4,a6]
j	2803221/125	j-invariant
L	1.5671194733535	L(r)(E,1)/r!
Ω	1.5671194733535	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	35280cy1 2205d1 11025h1 2205c1	Quadratic twists by: -4 -3 5 -7

Hecke Eigenvalues for elliptic curve 2205a1

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

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Quadratic twists for elliptic curve 2205a1

-4	-3	5	-7
35280cy1	2205d1	11025h1	2205c1

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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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