Cremona's table of elliptic curves

15840 = 2⁵ · 3² · 5 · 11

Field	Data	Notes
Atkin-Lehner	2- 3- 5+ 11+	Signs for the Atkin-Lehner involutions
Class	15840u	Isogeny class
Conductor	15840	Conductor
∏ cp	16	Product of Tamagawa factors cp
deg	4096	Modular degree for the optimal curve
Δ	-115473600 = -1 · 26 · 38 · 52 · 11	Discriminant
Eigenvalues	2- 3- 5+  4 11+  0  2 -2	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,87,412]	[a1,a2,a3,a4,a6]
Generators	[-1:18:1]	Generators of the group modulo torsion
j	1560896/2475	j-invariant
L	5.3568063693402	L(r)(E,1)/r!
Ω	1.2740905731789	Real period
R	1.0511039171993	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	15840o1 31680bw2 5280h1 79200bf1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 15840u1

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
-	-	+	4	+	0	2	-2	4	0	-4	2	-12	4	-8	-10	-12	-2	4	-8	0	-10	-6	14	-10

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Quadratic twists for elliptic curve 15840u1

-4	8	-3	5
15840o1	31680bw2	5280h1	79200bf1

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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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