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
Conductor	6240	Conductor
Count	4	Number of curves in isogeny class
Curves	6240l1 6240l2 6240l3 6240l4	Curves in isogeny class
deg	107520	Modular degree for the optimal curve
Eigenvalues	2+ 3- 5+  0  4 13- -2 -4	Hecke eigenvalues for primes less than 20
L	4.6704765587839	L(r)(E,1)/r!
r	1	Rank of the group of rational points
Twists	6240d 12480cc 18720bq 31200bc	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for isogeny class 6240l

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	-8	-6	0	-10	6	4	0	6	-12	-10	12	12	-10	-8	-16	14	-2

---

Quadratic twists for isogeny class 6240l

-4	8	-3	5	13
6240d	12480cc	18720bq	31200bc	81120bw

---

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