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	15680dj	Isogeny class
Conductor	15680	Conductor
∏ cp	64	Product of Tamagawa factors cp
Δ	723136637440000 = 212 · 54 · 710	Discriminant
Eigenvalues	2-  0 5- 7-  0 -2 -2 -8	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-160132,-24630144]	[a1,a2,a3,a4,a6]
j	942344950464/1500625	j-invariant
L	0.95473215817704	L(r)(E,1)/r!
Ω	0.23868303954426	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	4	Number of elements in the torsion subgroup
Twists	15680di2 7840p1 78400gq2 2240o2	Quadratic twists by: -4 8 5 -7

Hecke Eigenvalues for elliptic curve 15680dj2

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	-2	-8	-8	-6	0	2	6	8	-8	2	-8	-2	8	0	-10	16	-16	-10	14

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Quadratic twists for elliptic curve 15680dj2

-4	8	5	-7
15680di2	7840p1	78400gq2	2240o2

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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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