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	17856j	Isogeny class
Conductor	17856	Conductor
∏ cp	8	Product of Tamagawa factors cp
Δ	-5241346159804416 = -1 · 233 · 39 · 31	Discriminant
Eigenvalues	2+ 3+ -3 -4 -3 -5  3  7	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,26676,-3052944]	[a1,a2,a3,a4,a6]
Generators	[168:2484:1] [238:4096:1]	Generators of the group modulo torsion
j	406869021/1015808	j-invariant
L	5.6048905913932	L(r)(E,1)/r!
Ω	0.22204287827411	Real period
R	3.1552974334056	Regulator
r	2	Rank of the group of rational points
S	0.9999999999998	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	17856bn2 558b2 17856i1	Quadratic twists by: -4 8 -3

Hecke Eigenvalues for elliptic curve 17856j2

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
+	+	-3	-4	-3	-5	3	7	6	-6	-	-2	-12	-8	-3	-12	-6	-5	-11	-3	-4	-13	3	-6	-7

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Quadratic twists for elliptic curve 17856j2

-4	8	-3
17856bn2	558b2	17856i1

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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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