Cremona's table of elliptic curves

2256 = 2⁴ · 3 · 47

Field	Data	Notes
Atkin-Lehner	2- 3+ 47-	Signs for the Atkin-Lehner involutions
Class	2256k	Isogeny class
Conductor	2256	Conductor
∏ cp	6	Product of Tamagawa factors cp
Δ	79736064 = 28 · 3 · 473	Discriminant
Eigenvalues	2- 3+ -3  1  3 -4  0 -2	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-517,4681]	[a1,a2,a3,a4,a6]
Generators	[-15:94:1]	Generators of the group modulo torsion
j	59812937728/311469	j-invariant
L	2.3374071978733	L(r)(E,1)/r!
Ω	1.9382151440689	Real period
R	0.20099309795629	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	564b2 9024bv2 6768q2 56400cp2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 2256k2

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	1	3	-4	0	-2	9	-3	4	5	-6	-8	-	6	-6	2	-8	6	-4	1	-6	-6	-19

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Quadratic twists for elliptic curve 2256k2

-4	8	-3	5	-7	-47
564b2	9024bv2	6768q2	56400cp2	110544dv2	106032x2

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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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