Cremona's table of elliptic curves

17856 = 2⁶ · 3² · 31

Field	Data	Notes
Atkin-Lehner	2- 3- 31+	Signs for the Atkin-Lehner involutions
Class	17856bu	Isogeny class
Conductor	17856	Conductor
∏ cp	8	Product of Tamagawa factors cp
deg	7680	Modular degree for the optimal curve
Δ	-2152147968 = -1 · 210 · 37 · 312	Discriminant
Eigenvalues	2- 3- -2 -4  0 -2  0  4	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-336,3256]	[a1,a2,a3,a4,a6]
Generators	[9:31:1]	Generators of the group modulo torsion
j	-5619712/2883	j-invariant
L	3.2721292346714	L(r)(E,1)/r!
Ω	1.3639495604135	Real period
R	1.1995052198555	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	17856bd1 4464t1 5952bb1	Quadratic twists by: -4 8 -3

Hecke Eigenvalues for elliptic curve 17856bu1

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	-4	0	-2	0	4	4	0	+	2	-2	-12	-10	8	14	2	-4	6	6	0	16	-4	-2

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Quadratic twists for elliptic curve 17856bu1

-4	8	-3
17856bd1	4464t1	5952bb1

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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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