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	16720c	Isogeny class
Conductor	16720	Conductor
∏ cp	4	Product of Tamagawa factors cp
deg	2816	Modular degree for the optimal curve
Δ	3494480 = 24 · 5 · 112 · 192	Discriminant
Eigenvalues	2+  2 5+  2 11+ -2  0 19+	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-71,-190]	[a1,a2,a3,a4,a6]
Generators	[-1074:847:216]	Generators of the group modulo torsion
j	2508888064/218405	j-invariant
L	6.838386050075	L(r)(E,1)/r!
Ω	1.6518906830396	Real period
R	4.1397328045291	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	8360e1 66880du1 83600e1	Quadratic twists by: -4 8 5

Hecke Eigenvalues for elliptic curve 16720c1

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

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Quadratic twists for elliptic curve 16720c1

-4	8	5
8360e1	66880du1	83600e1

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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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