Cremona's table of elliptic curves

147 = 3 · 7²

Field	Data	Notes
Atkin-Lehner	3+ 7-	Signs for the Atkin-Lehner involutions
Conductor	147	Conductor
Count	2	Number of curves in isogeny class
Curves	147c1 147c2	Curves in isogeny class
deg	6	Modular degree for the optimal curve
Eigenvalues	2 3+  2 7- -2 -1  0 -1	Hecke eigenvalues for primes less than 20
L	1.920053745349	L(r)(E,1)/r!
r	0	Rank of the group of rational points
Twists	2352u 9408bi 441f 3675n	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for isogeny class 147c

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	+	2	-	-2	-1	0	-1	0	4	-9	3	10	5	6	12	12	-10	-5	-6	3	-1	-6	-16	6

---

Quadratic twists for isogeny class 147c

-4	8	-3	5	-7	-11	13	17	-19	-23	29
2352u	9408bi	441f	3675n	147b	17787k	24843g	42483x	53067w	77763q	123627t

---

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