Cremona's table of elliptic curves

20160 = 2⁶ · 3² · 5 · 7

Field	Data	Notes
Atkin-Lehner	2- 3- 5+ 7-	Signs for the Atkin-Lehner involutions
Class	20160ef	Isogeny class
Conductor	20160	Conductor
∏ cp	64	Product of Tamagawa factors cp
Δ	-7715736000000000000 = -1 · 215 · 39 · 512 · 72	Discriminant
Eigenvalues	2- 3- 5+ 7-  4 -2  2  0	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,320532,-113937392]	[a1,a2,a3,a4,a6]
j	152461584507448/322998046875	j-invariant
L	1.9487607427348	L(r)(E,1)/r!
Ω	0.12179754642093	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	20160dx4 10080ce4 6720cm4 100800lt3	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 20160ef4

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

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Quadratic twists for elliptic curve 20160ef4

-4	8	-3	5
20160dx4	10080ce4	6720cm4	100800lt3

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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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