Cremona's table of elliptic curves

15680 = 2⁶ · 5 · 7²

Field	Data	Notes
Atkin-Lehner	2+ 5- 7-	Signs for the Atkin-Lehner involutions
Class	15680bv	Isogeny class
Conductor	15680	Conductor
∏ cp	16	Product of Tamagawa factors cp
deg	43008	Modular degree for the optimal curve
Δ	-66115349708800 = -1 · 216 · 52 · 79	Discriminant
Eigenvalues	2+  2 5- 7- -4  2  0  2	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,7775,-291423]	[a1,a2,a3,a4,a6]
Generators	[2091:23680:27]	Generators of the group modulo torsion
j	19652/25	j-invariant
L	7.1605624587141	L(r)(E,1)/r!
Ω	0.3311212911439	Real period
R	5.4062987266516	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	15680ds1 1960k1 78400cy1 15680x1	Quadratic twists by: -4 8 5 -7

Hecke Eigenvalues for elliptic curve 15680bv1

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

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Quadratic twists for elliptic curve 15680bv1

-4	8	5	-7
15680ds1	1960k1	78400cy1	15680x1

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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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