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	15680b	Isogeny class
Conductor	15680	Conductor
∏ cp	12	Product of Tamagawa factors cp
deg	112896	Modular degree for the optimal curve
Δ	-24179327893504000 = -1 · 225 · 53 · 78	Discriminant
Eigenvalues	2+  2 5+ 7+ -3  1 -6  1	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,51679,5942945]	[a1,a2,a3,a4,a6]
Generators	[-285:62720:27]	Generators of the group modulo torsion
j	10100279/16000	j-invariant
L	6.2293884457402	L(r)(E,1)/r!
Ω	0.2580840263499	Real period
R	2.0114212845854	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	15680ca1 490c1 78400m1 15680bx1	Quadratic twists by: -4 8 5 -7

Hecke Eigenvalues for elliptic curve 15680b1

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	+	+	-3	1	-6	1	9	-6	8	7	3	-2	9	-9	0	-8	-8	0	-4	-10	0	6	-10

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Quadratic twists for elliptic curve 15680b1

-4	8	5	-7
15680ca1	490c1	78400m1	15680bx1

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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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