Cremona's table of elliptic curves

70720 = 2⁶ · 5 · 13 · 17

Field	Data	Notes
Atkin-Lehner	2- 5+ 13+ 17+	Signs for the Atkin-Lehner involutions
Class	70720t	Isogeny class
Conductor	70720	Conductor
∏ cp	16	Product of Tamagawa factors cp
deg	32768	Modular degree for the optimal curve
Δ	4707123200 = 216 · 52 · 132 · 17	Discriminant
Eigenvalues	2-  0 5+ -4 -2 13+ 17+ -4	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-428,848]	[a1,a2,a3,a4,a6]
Generators	[-16:60:1] [-14:64:1]	Generators of the group modulo torsion
j	132304644/71825	j-invariant
L	8.1007803052644	L(r)(E,1)/r!
Ω	1.1967823865471	Real period
R	1.6921999346707	Regulator
r	2	Rank of the group of rational points
S	0.99999999999308	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	70720a1 17680c1	Quadratic twists by: -4 8

Hecke Eigenvalues for elliptic curve 70720t1

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

---

Quadratic twists for elliptic curve 70720t1

-4	8
70720a1	17680c1

---

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