Cremona's table of elliptic curves

39984 = 2⁴ · 3 · 7² · 17

Field	Data	Notes
Atkin-Lehner	2- 3+ 7- 17-	Signs for the Atkin-Lehner involutions
Class	39984cj	Isogeny class
Conductor	39984	Conductor
∏ cp	4	Product of Tamagawa factors cp
deg	69120	Modular degree for the optimal curve
Δ	559785236304 = 24 · 3 · 79 · 172	Discriminant
Eigenvalues	2- 3+ -2 7-  0 -6 17- -2	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-16529,-811656]	[a1,a2,a3,a4,a6]
j	265327034368/297381	j-invariant
L	0.42108032224921	L(r)(E,1)/r!
Ω	0.42108032226825	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	9996o1 119952fa1 5712v1	Quadratic twists by: -4 -3 -7

Hecke Eigenvalues for elliptic curve 39984cj1

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	-	0	-6	-	-2	0	8	0	2	-2	-8	-8	-2	12	4	-12	0	-8	8	0	-10	-12

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Quadratic twists for elliptic curve 39984cj1

-4	-3	-7
9996o1	119952fa1	5712v1

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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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