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	39984bt	Isogeny class
Conductor	39984	Conductor
∏ cp	32	Product of Tamagawa factors cp
Δ	491331498835968 = 215 · 32 · 78 · 172	Discriminant
Eigenvalues	2- 3+  2 7-  2 -4 17+ -2	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-299112,63055728]	[a1,a2,a3,a4,a6]
Generators	[306:294:1]	Generators of the group modulo torsion
j	6141556990297/1019592	j-invariant
L	5.5367557881614	L(r)(E,1)/r!
Ω	0.50722179033763	Real period
R	1.3644809562685	Regulator
r	1	Rank of the group of rational points
S	1.0000000000001	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	4998q2 119952gq2 5712s2	Quadratic twists by: -4 -3 -7

Hecke Eigenvalues for elliptic curve 39984bt2

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

---

Quadratic twists for elliptic curve 39984bt2

-4	-3	-7
4998q2	119952gq2	5712s2

---

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