Cremona's table of elliptic curves

1984 = 2⁶ · 31

Field	Data	Notes
Atkin-Lehner	2- 31-	Signs for the Atkin-Lehner involutions
Class	1984i	Isogeny class
Conductor	1984	Conductor
∏ cp	1	Product of Tamagawa factors cp
deg	192	Modular degree for the optimal curve
Δ	-31744 = -1 · 210 · 31	Discriminant
Eigenvalues	2-  0 -1 -3  6  4  0 -5	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-68,216]	[a1,a2,a3,a4,a6]
Generators	[5:1:1]	Generators of the group modulo torsion
j	-33958656/31	j-invariant
L	2.7300705239704	L(r)(E,1)/r!
Ω	3.6797044809114	Real period
R	0.74192656995493	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	1984a1 496e1 17856ca1 49600ca1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 1984i1

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
-	0	-1	-3	6	4	0	-5	4	-2	-	2	-9	2	-4	-12	9	-12	-12	-5	-14	-10	2	6	-7

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Quadratic twists for elliptic curve 1984i1

-4	8	-3	5	-7	-31
1984a1	496e1	17856ca1	49600ca1	97216bk1	61504bl1

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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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