Cremona's table of elliptic curves

1856 = 2⁶ · 29

Field	Data	Notes
Atkin-Lehner	2- 29-	Signs for the Atkin-Lehner involutions
Class	1856i	Isogeny class
Conductor	1856	Conductor
∏ cp	4	Product of Tamagawa factors cp
deg	256	Modular degree for the optimal curve
Δ	-1900544 = -1 · 216 · 29	Discriminant
Eigenvalues	2-  1 -1 -2  3  1  0  0	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-321,2111]	[a1,a2,a3,a4,a6]
Generators	[7:16:1]	Generators of the group modulo torsion
j	-55990084/29	j-invariant
L	3.1268746103726	L(r)(E,1)/r!
Ω	2.597461106148	Real period
R	0.30095490197827	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	1856c1 464b1 16704cg1 46400by1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 1856i1

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
-	1	-1	-2	3	1	0	0	-4	-	-3	8	-6	-5	-3	-5	-8	0	-12	-6	-4	-1	-12	6	14

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Quadratic twists for elliptic curve 1856i1

-4	8	-3	5	-7	29
1856c1	464b1	16704cg1	46400by1	90944dz1	53824x1

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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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