Cremona's table of elliptic curves

8240 = 2⁴ · 5 · 103

Field	Data	Notes
Atkin-Lehner	2- 5- 103+	Signs for the Atkin-Lehner involutions
Class	8240k	Isogeny class
Conductor	8240	Conductor
∏ cp	3	Product of Tamagawa factors cp
deg	624	Modular degree for the optimal curve
Δ	-206000 = -1 · 24 · 53 · 103	Discriminant
Eigenvalues	2- -1 5-  4  0  2  0 -5	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,15,-8]	[a1,a2,a3,a4,a6]
Generators	[4:10:1]	Generators of the group modulo torsion
j	21807104/12875	j-invariant
L	4.2470579458953	L(r)(E,1)/r!
Ω	1.8569276473726	Real period
R	0.76238079817928	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	2060b1 32960l1 74160bg1 41200bg1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 8240k1

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	-	4	0	2	0	-5	-6	3	-2	2	3	-11	-3	-3	-15	-1	-5	0	-7	1	0	0	-10

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Quadratic twists for elliptic curve 8240k1

-4	8	-3	5
2060b1	32960l1	74160bg1	41200bg1

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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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