Cremona's table of elliptic curves

39840 = 2⁵ · 3 · 5 · 83

Field	Data	Notes
Atkin-Lehner	2- 3- 5+ 83-	Signs for the Atkin-Lehner involutions
Class	39840k	Isogeny class
Conductor	39840	Conductor
∏ cp	8	Product of Tamagawa factors cp
Δ	-793612800 = -1 · 29 · 32 · 52 · 832	Discriminant
Eigenvalues	2- 3- 5+  0  4 -4 -6  8	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,184,1020]	[a1,a2,a3,a4,a6]
j	1338273208/1550025	j-invariant
L	2.1234880698522	L(r)(E,1)/r!
Ω	1.0617440349755	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	39840a2 79680g2 119520k2	Quadratic twists by: -4 8 -3

Hecke Eigenvalues for elliptic curve 39840k2

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

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Quadratic twists for elliptic curve 39840k2

-4	8	-3
39840a2	79680g2	119520k2

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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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