Cremona's table of elliptic curves

16720 = 2⁴ · 5 · 11 · 19

Field	Data	Notes
Atkin-Lehner	2- 5+ 11- 19-	Signs for the Atkin-Lehner involutions
Class	16720y	Isogeny class
Conductor	16720	Conductor
∏ cp	8	Product of Tamagawa factors cp
Δ	416389529600 = 222 · 52 · 11 · 192	Discriminant
Eigenvalues	2-  0 5+ -4 11-  6  0 19-	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-961163,362696762]	[a1,a2,a3,a4,a6]
j	23974794703037459169/101657600	j-invariant
L	1.2709440974061	L(r)(E,1)/r!
Ω	0.63547204870303	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	2090j2 66880cu2 83600ca2	Quadratic twists by: -4 8 5

Hecke Eigenvalues for elliptic curve 16720y2

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

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Quadratic twists for elliptic curve 16720y2

-4	8	5
2090j2	66880cu2	83600ca2

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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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