Cremona's table of elliptic curves

6240 = 2⁵ · 3 · 5 · 13

Field	Data	Notes
Atkin-Lehner	2+ 3+ 5+ 13+	Signs for the Atkin-Lehner involutions
Class	6240b	Isogeny class
Conductor	6240	Conductor
∏ cp	16	Product of Tamagawa factors cp
deg	1536	Modular degree for the optimal curve
Δ	21902400 = 26 · 34 · 52 · 132	Discriminant
Eigenvalues	2+ 3+ 5+ -4 -4 13+  2  4	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-86,240]	[a1,a2,a3,a4,a6]
Generators	[-2:20:1]	Generators of the group modulo torsion
j	1111934656/342225	j-invariant
L	2.5008457985792	L(r)(E,1)/r!
Ω	1.988846767737	Real period
R	1.2574351323329	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	4	Number of elements in the torsion subgroup
Twists	6240k1 12480dh2 18720bn1 31200cg1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 6240b1

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

---

Quadratic twists for elliptic curve 6240b1

-4	8	-3	5	13
6240k1	12480dh2	18720bn1	31200cg1	81120bl1

---

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