Cremona's table of elliptic curves

1025 = 5² · 41

Field	Data	Notes
Atkin-Lehner	5+ 41-	Signs for the Atkin-Lehner involutions
Class	1025b	Isogeny class
Conductor	1025	Conductor
∏ cp	16	Product of Tamagawa factors cp
Δ	-1103812890625 = -1 · 58 · 414	Discriminant
Eigenvalues	1  0 5+  4  0  2  6  0	Hecke eigenvalues for primes up to 20
Equation	[1,-1,0,2458,18241]	[a1,a2,a3,a4,a6]
j	105087226959/70644025	j-invariant
L	2.1905570950363	L(r)(E,1)/r!
Ω	0.54763927375908	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	16400s4 65600r3 9225r4 205a4	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 1025b4

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

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Quadratic twists for elliptic curve 1025b4

-4	8	-3	5	-7	-11	41
16400s4	65600r3	9225r4	205a4	50225d3	124025e3	42025a3

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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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