Cremona's table of elliptic curves

8540 = 2² · 5 · 7 · 61

Field	Data	Notes
Atkin-Lehner	2- 5+ 7+ 61+	Signs for the Atkin-Lehner involutions
Class	8540a	Isogeny class
Conductor	8540	Conductor
∏ cp	6	Product of Tamagawa factors cp
deg	1056	Modular degree for the optimal curve
Δ	2732800 = 28 · 52 · 7 · 61	Discriminant
Eigenvalues	2- -1 5+ 7+ -3 -4 -1 -3	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-36,40]	[a1,a2,a3,a4,a6]
Generators	[-6:2:1] [-2:10:1]	Generators of the group modulo torsion
j	20720464/10675	j-invariant
L	4.5456238772787	L(r)(E,1)/r!
Ω	2.250497531449	Real period
R	0.33663844059348	Regulator
r	2	Rank of the group of rational points
S	0.99999999999995	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	34160s1 76860f1 42700i1 59780p1	Quadratic twists by: -4 -3 5 -7

Hecke Eigenvalues for elliptic curve 8540a1

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	+	+	-3	-4	-1	-3	-3	-4	-2	-8	-4	-3	-7	-4	-4	+	1	-9	8	-5	-17	-15	0

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Quadratic twists for elliptic curve 8540a1

-4	-3	5	-7
34160s1	76860f1	42700i1	59780p1

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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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