Cremona's table of elliptic curves

25840 = 2⁴ · 5 · 17 · 19

Field	Data	Notes
Atkin-Lehner	2- 5- 17- 19-	Signs for the Atkin-Lehner involutions
Class	25840bd	Isogeny class
Conductor	25840	Conductor
∏ cp	128	Product of Tamagawa factors cp
Δ	1542667018240000 = 216 · 54 · 172 · 194	Discriminant
Eigenvalues	2-  0 5- -4  0 -2 17- 19-	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-52507,-4227894]	[a1,a2,a3,a4,a6]
Generators	[-118:570:1]	Generators of the group modulo torsion
j	3908547377131761/376627690000	j-invariant
L	4.1476640046613	L(r)(E,1)/r!
Ω	0.31734021079316	Real period
R	1.6337608123686	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	4	Number of elements in the torsion subgroup
Twists	3230g2 103360bw2 129200bp2	Quadratic twists by: -4 8 5

Hecke Eigenvalues for elliptic curve 25840bd2

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	-	-4	0	-2	-	-	-4	6	-4	-2	2	-12	8	6	12	14	4	-12	10	4	12	-6	-6

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Quadratic twists for elliptic curve 25840bd2

-4	8	5
3230g2	103360bw2	129200bp2

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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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