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	39984z	Isogeny class
Conductor	39984	Conductor
∏ cp	768	Product of Tamagawa factors cp
deg	1622016	Modular degree for the optimal curve
Δ	-1.7834998468818E+20	Discriminant
Eigenvalues	2+ 3- -2 7- -6 -4 17-  2	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-295584,645403716]	[a1,a2,a3,a4,a6]
Generators	[-4422:-202419:8] [-880:14994:1]	Generators of the group modulo torsion
j	-23707171994692/1480419781911	j-invariant
L	9.2091643164303	L(r)(E,1)/r!
Ω	0.14900612376599	Real period
R	0.32189547831425	Regulator
r	2	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	19992j1 119952z1 5712d1	Quadratic twists by: -4 -3 -7

Hecke Eigenvalues for elliptic curve 39984z1

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	-	-6	-4	-	2	-8	0	-8	-4	-2	12	-8	-6	-2	-14	0	-4	-14	4	-2	6	-10

---

Quadratic twists for elliptic curve 39984z1

-4	-3	-7
19992j1	119952z1	5712d1

---

Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

Part of Computational Number Theory
Back to Tables and computations