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	16240b	Isogeny class
Conductor	16240	Conductor
∏ cp	2	Product of Tamagawa factors cp
deg	1280	Modular degree for the optimal curve
Δ	-470960 = -1 · 24 · 5 · 7 · 292	Discriminant
Eigenvalues	2+  0 5+ 7+  0 -2 -6 -6	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,2,-33]	[a1,a2,a3,a4,a6]
Generators	[7:18:1] [467:10092:1]	Generators of the group modulo torsion
j	55296/29435	j-invariant
L	6.3497446507591	L(r)(E,1)/r!
Ω	1.3829667454973	Real period
R	9.1827871804332	Regulator
r	2	Rank of the group of rational points
S	0.99999999999997	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	8120c1 64960bn1 81200n1 113680n1	Quadratic twists by: -4 8 5 -7

Hecke Eigenvalues for elliptic curve 16240b1

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

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Quadratic twists for elliptic curve 16240b1

-4	8	5	-7
8120c1	64960bn1	81200n1	113680n1

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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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