Cremona's table of elliptic curves

16380 = 2² · 3² · 5 · 7 · 13

Field	Data	Notes
Atkin-Lehner	2- 3+ 5+ 7- 13-	Signs for the Atkin-Lehner involutions
Class	16380a	Isogeny class
Conductor	16380	Conductor
∏ cp	8	Product of Tamagawa factors cp
Δ	2006091360000 = 28 · 39 · 54 · 72 · 13	Discriminant
Eigenvalues	2- 3+ 5+ 7- -2 13-  0  4	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-91503,-10653498]	[a1,a2,a3,a4,a6]
j	16815061239408/398125	j-invariant
L	2.1959948910004	L(r)(E,1)/r!
Ω	0.27449936137505	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	65520bu2 16380b2 81900b2 114660j2	Quadratic twists by: -4 -3 5 -7

Hecke Eigenvalues for elliptic curve 16380a2

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
-	+	+	-	-2	-	0	4	8	4	0	2	6	-4	6	4	6	-6	4	6	-14	-8	-18	-6	-6

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Quadratic twists for elliptic curve 16380a2

-4	-3	5	-7
65520bu2	16380b2	81900b2	114660j2

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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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