Cremona's table of elliptic curves

1984 = 2⁶ · 31

Field	Data	Notes
Atkin-Lehner	2- 31+	Signs for the Atkin-Lehner involutions
Class	1984h	Isogeny class
Conductor	1984	Conductor
∏ cp	1	Product of Tamagawa factors cp
Δ	-30505984 = -1 · 210 · 313	Discriminant
Eigenvalues	2- -2  3  1 -6 -2  6 -1	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,71,159]	[a1,a2,a3,a4,a6]
j	38112512/29791	j-invariant
L	1.3418954689172	L(r)(E,1)/r!
Ω	1.3418954689172	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	1984f2 496d2 17856bw2 49600bs2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 1984h2

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
-	-2	3	1	-6	-2	6	-1	6	0	+	10	-9	8	0	0	-3	10	-4	15	14	-8	6	12	-7

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Quadratic twists for elliptic curve 1984h2

-4	8	-3	5	-7	-31
1984f2	496d2	17856bw2	49600bs2	97216cf2	61504ca2

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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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