Cremona's table of elliptic curves

12240 = 2⁴ · 3² · 5 · 17

Field	Data	Notes
Atkin-Lehner	2+ 3- 5- 17+	Signs for the Atkin-Lehner involutions
Class	12240r	Isogeny class
Conductor	12240	Conductor
∏ cp	8	Product of Tamagawa factors cp
deg	4096	Modular degree for the optimal curve
Δ	79315200 = 28 · 36 · 52 · 17	Discriminant
Eigenvalues	2+ 3- 5-  0  0 -2 17+  4	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-1287,17766]	[a1,a2,a3,a4,a6]
Generators	[22:10:1]	Generators of the group modulo torsion
j	1263257424/425	j-invariant
L	4.9545976853455	L(r)(E,1)/r!
Ω	1.8908397543683	Real period
R	1.3101580062243	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	6120k1 48960ea1 1360a1 61200br1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 12240r1

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	0	-2	+	4	-8	-2	8	2	-2	4	0	-6	-4	-6	-4	-8	2	0	4	6	18

---

Quadratic twists for elliptic curve 12240r1

-4	8	-3	5
6120k1	48960ea1	1360a1	61200br1

---

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