Cremona's table of elliptic curves

1025 = 5² · 41

Field	Data	Notes
Atkin-Lehner	5+ 41-	Signs for the Atkin-Lehner involutions
Class	1025c	Isogeny class
Conductor	1025	Conductor
∏ cp	4	Product of Tamagawa factors cp
deg	384	Modular degree for the optimal curve
Δ	16015625 = 58 · 41	Discriminant
Eigenvalues	1 -2 5+ -2  6 -2 -2 -6	Hecke eigenvalues for primes up to 20
Equation	[1,0,1,-526,-4677]	[a1,a2,a3,a4,a6]
j	1027243729/1025	j-invariant
L	0.99719039680424	L(r)(E,1)/r!
Ω	0.99719039680424	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	16400u1 65600v1 9225q1 205b1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 1025c1

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

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Quadratic twists for elliptic curve 1025c1

-4	8	-3	5	-7	-11	41
16400u1	65600v1	9225q1	205b1	50225e1	124025f1	42025b1

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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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