Cremona's table of elliptic curves

8256 = 2⁶ · 3 · 43

Field	Data	Notes
Atkin-Lehner	2+ 3- 43+	Signs for the Atkin-Lehner involutions
Class	8256p	Isogeny class
Conductor	8256	Conductor
∏ cp	2	Product of Tamagawa factors cp
deg	4224	Modular degree for the optimal curve
Δ	-45796032 = -1 · 26 · 32 · 433	Discriminant
Eigenvalues	2+ 3-  4 -2  1  5  3 -4	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-391,2867]	[a1,a2,a3,a4,a6]
j	-103558145536/715563	j-invariant
L	4.060048917776	L(r)(E,1)/r!
Ω	2.030024458888	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	8256l1 4128l1 24768w1	Quadratic twists by: -4 8 -3

Hecke Eigenvalues for elliptic curve 8256p1

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	-2	1	5	3	-4	3	-8	5	2	11	+	-8	11	-4	-6	13	-2	-6	-16	9	-2	7

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Quadratic twists for elliptic curve 8256p1

-4	8	-3
8256l1	4128l1	24768w1

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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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