Cremona's table of elliptic curves

6720 = 2⁶ · 3 · 5 · 7

Field	Data	Notes
Atkin-Lehner	2- 3+ 5+ 7+	Signs for the Atkin-Lehner involutions
Class	6720bf	Isogeny class
Conductor	6720	Conductor
∏ cp	4	Product of Tamagawa factors cp
deg	3840	Modular degree for the optimal curve
Δ	43545600 = 210 · 35 · 52 · 7	Discriminant
Eigenvalues	2- 3+ 5+ 7+ -2 -4  2  2	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-2261,-40635]	[a1,a2,a3,a4,a6]
j	1248870793216/42525	j-invariant
L	0.69232385459692	L(r)(E,1)/r!
Ω	0.69232385459692	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	6720t1 1680s1 20160eq1 33600gn1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 6720bf1

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

---

Quadratic twists for elliptic curve 6720bf1

-4	8	-3	5	-7
6720t1	1680s1	20160eq1	33600gn1	47040gz1

---

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