Cremona's table of elliptic curves

39520 = 2⁵ · 5 · 13 · 19

Field	Data	Notes
Atkin-Lehner	2+ 5+ 13- 19+	Signs for the Atkin-Lehner involutions
Class	39520a	Isogeny class
Conductor	39520	Conductor
∏ cp	2	Product of Tamagawa factors cp
Δ	49400000000 = 29 · 58 · 13 · 19	Discriminant
Eigenvalues	2+  0 5+  0  4 13-  2 19+	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-2843,-57358]	[a1,a2,a3,a4,a6]
j	4963457759112/96484375	j-invariant
L	1.3091765562355	L(r)(E,1)/r!
Ω	0.65458827810489	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	4	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	39520g3 79040y3	Quadratic twists by: -4 8

Hecke Eigenvalues for elliptic curve 39520a3

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	+	0	4	-	2	+	-4	-2	-8	-2	6	4	0	-10	-4	-10	-4	-8	-6	8	4	-10	6

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Quadratic twists for elliptic curve 39520a3

-4	8
39520g3	79040y3

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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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