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	32	Product of Tamagawa factors cp
Δ	3305767485440000 = 217 · 54 · 79	Discriminant
Eigenvalues	2+  2 5- 7- -4  2  0  2	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-47105,-2782975]	[a1,a2,a3,a4,a6]
Generators	[385:6000:1]	Generators of the group modulo torsion
j	2185454/625	j-invariant
L	7.1605624587141	L(r)(E,1)/r!
Ω	0.3311212911439	Real period
R	2.7031493633258	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	15680ds2 1960k2 78400cy2 15680x2	Quadratic twists by: -4 8 5 -7

Hecke Eigenvalues for elliptic curve 15680bv2

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 15680bv2

-4	8	5	-7
15680ds2	1960k2	78400cy2	15680x2

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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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