Cremona's table of elliptic curves

12642 = 2 · 3 · 7² · 43

Field	Data	Notes
Atkin-Lehner	2+ 3+ 7- 43-	Signs for the Atkin-Lehner involutions
Conductor	12642	Conductor
Count	3	Number of curves in isogeny class
Curves	12642k1 12642k2 12642k3	Curves in isogeny class
deg	34560	Modular degree for the optimal curve
Eigenvalues	2+ 3+ -3 7-  0 -5 -3  7	Hecke eigenvalues for primes less than 20
L	1.9041764872537	L(r)(E,1)/r!
r	1	Rank of the group of rational points
Twists	101136cr 37926bz 1806g	Quadratic twists by: -4 -3 -7

Hecke Eigenvalues for isogeny class 12642k

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
+	+	-3	-	0	-5	-3	7	3	0	-5	-7	3	-	-6	9	15	-8	-13	6	-2	-10	12	-6	10

---

Quadratic twists for isogeny class 12642k

-4	-3	-7
101136cr	37926bz	1806g

---

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