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	15680cy	Isogeny class
Conductor	15680	Conductor
∏ cp	12	Product of Tamagawa factors cp
deg	4608	Modular degree for the optimal curve
Δ	-786759680 = -1 · 216 · 5 · 74	Discriminant
Eigenvalues	2-  1 5- 7+  2  0  4 -2	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-65,1343]	[a1,a2,a3,a4,a6]
Generators	[23:112:1]	Generators of the group modulo torsion
j	-196/5	j-invariant
L	6.2280144744218	L(r)(E,1)/r!
Ω	1.334297186574	Real period
R	0.3889697223558	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	15680bf1 3920b1 78400gc1 15680ci1	Quadratic twists by: -4 8 5 -7

Hecke Eigenvalues for elliptic curve 15680cy1

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
-	1	-	+	2	0	4	-2	-1	-9	-4	-4	1	9	0	10	-10	-9	5	-14	12	-14	11	-15	-18

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Quadratic twists for elliptic curve 15680cy1

-4	8	5	-7
15680bf1	3920b1	78400gc1	15680ci1

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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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