Cremona's table of elliptic curves

38720 = 2⁶ · 5 · 11²

Field	Data	Notes
Atkin-Lehner	2- 5+ 11-	Signs for the Atkin-Lehner involutions
Class	38720bt	Isogeny class
Conductor	38720	Conductor
∏ cp	32	Product of Tamagawa factors cp
Δ	6639980697856000000 = 214 · 56 · 1110	Discriminant
Eigenvalues	2-  0 5+  4 11-  6  6 -4	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-2442748,1464249072]	[a1,a2,a3,a4,a6]
Generators	[35949801657:630732127773:27270901]	Generators of the group modulo torsion
j	55537159171536/228765625	j-invariant
L	6.4555415415611	L(r)(E,1)/r!
Ω	0.23832354835345	Real period
R	13.543650189332	Regulator
r	1	Rank of the group of rational points
S	1.0000000000003	(Analytic) order of Ш
t	4	Number of elements in the torsion subgroup
Twists	38720g2 9680g2 3520p2	Quadratic twists by: -4 8 -11

Hecke Eigenvalues for elliptic curve 38720bt2

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	+	4	-	6	6	-4	-4	-2	-8	10	-10	0	-4	10	-4	-2	-8	0	14	-16	8	-6	2

---

Quadratic twists for elliptic curve 38720bt2

-4	8	-11
38720g2	9680g2	3520p2

---

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