Cremona's table of elliptic curves

16240 = 2⁴ · 5 · 7 · 29

Field	Data	Notes
Atkin-Lehner	2+ 5+ 7+ 29+	Signs for the Atkin-Lehner involutions
Class	16240a	Isogeny class
Conductor	16240	Conductor
∏ cp	8	Product of Tamagawa factors cp
Δ	445625600 = 28 · 52 · 74 · 29	Discriminant
Eigenvalues	2+  2 5+ 7+ -4 -2  4  0	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-236,1040]	[a1,a2,a3,a4,a6]
Generators	[4:12:1]	Generators of the group modulo torsion
j	5702413264/1740725	j-invariant
L	5.9875222464188	L(r)(E,1)/r!
Ω	1.5480607748667	Real period
R	1.9338782894148	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	8120h2 64960bt2 81200m2 113680m2	Quadratic twists by: -4 8 5 -7

Hecke Eigenvalues for elliptic curve 16240a2

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

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Quadratic twists for elliptic curve 16240a2

-4	8	5	-7
8120h2	64960bt2	81200m2	113680m2

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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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