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	15680bh	Isogeny class
Conductor	15680	Conductor
∏ cp	108	Product of Tamagawa factors cp
Δ	-76832000000000 = -1 · 214 · 59 · 74	Discriminant
Eigenvalues	2+ -1 5- 7+ -6 -2 -6 -8	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,3855,410257]	[a1,a2,a3,a4,a6]
Generators	[-51:280:1] [-33:496:1]	Generators of the group modulo torsion
j	161017136/1953125	j-invariant
L	5.941758596687	L(r)(E,1)/r!
Ω	0.45165883150003	Real period
R	0.12180938236045	Regulator
r	2	Rank of the group of rational points
S	0.99999999999993	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	15680da2 980a2 78400e2 15680n2	Quadratic twists by: -4 8 5 -7

Hecke Eigenvalues for elliptic curve 15680bh2

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	-	+	-6	-2	-6	-8	3	-3	2	-8	-3	-5	0	-12	0	1	7	0	-10	-4	-3	-3	-10

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Quadratic twists for elliptic curve 15680bh2

-4	8	5	-7
15680da2	980a2	78400e2	15680n2

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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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