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	15840d	Isogeny class
Conductor	15840	Conductor
∏ cp	16	Product of Tamagawa factors cp
deg	245760	Modular degree for the optimal curve
Δ	-1432379641275000000 = -1 · 26 · 316 · 58 · 113	Discriminant
Eigenvalues	2+ 3- 5+ -2 11+ -2  0  6	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-439653,-126117848]	[a1,a2,a3,a4,a6]
j	-201440287521417664/30700866796875	j-invariant
L	1.4708767631636	L(r)(E,1)/r!
Ω	0.091929797697727	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	4	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	15840l1 31680ea2 5280r1 79200di1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 15840d1

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	+	-2	0	6	8	8	-4	-6	12	-6	0	-2	-4	2	12	-16	-2	-10	0	-18	-18

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Quadratic twists for elliptic curve 15840d1

-4	8	-3	5
15840l1	31680ea2	5280r1	79200di1

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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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