Cremona's table of elliptic curves

2225 = 5² · 89

Field	Data	Notes
Atkin-Lehner	5+ 89-	Signs for the Atkin-Lehner involutions
Class	2225b	Isogeny class
Conductor	2225	Conductor
∏ cp	4	Product of Tamagawa factors cp
deg	320	Modular degree for the optimal curve
Δ	1390625 = 56 · 89	Discriminant
Eigenvalues	-1 -2 5+ -2 -4 -2 -6 -2	Hecke eigenvalues for primes up to 20
Equation	[1,0,0,-38,67]	[a1,a2,a3,a4,a6]
Generators	[-7:5:1] [-3:14:1]	Generators of the group modulo torsion
j	389017/89	j-invariant
L	1.8716023736092	L(r)(E,1)/r!
Ω	2.5442962263024	Real period
R	0.7356071019803	Regulator
r	2	Rank of the group of rational points
S	0.99999999999969	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	35600bc1 20025i1 89b2 109025h1	Quadratic twists by: -4 -3 5 -7

Hecke Eigenvalues for elliptic curve 2225b1

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	+	-2	-4	-2	-6	-2	-2	-6	6	-10	-6	-2	-12	6	-10	-6	-12	4	-10	-12	6	-	18

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Quadratic twists for elliptic curve 2225b1

-4	-3	5	-7
35600bc1	20025i1	89b2	109025h1

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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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