Cremona's table of elliptic curves

18240 = 2⁶ · 3 · 5 · 19

Field	Data	Notes
Atkin-Lehner	2- 3- 5+ 19+	Signs for the Atkin-Lehner involutions
Class	18240ch	Isogeny class
Conductor	18240	Conductor
∏ cp	64	Product of Tamagawa factors cp
Δ	17294952038400 = 216 · 34 · 52 · 194	Discriminant
Eigenvalues	2- 3- 5+  0  4  2  2 19+	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-173281,27705119]	[a1,a2,a3,a4,a6]
Generators	[-1:5280:1]	Generators of the group modulo torsion
j	8780093172522724/263900025	j-invariant
L	6.2588335223953	L(r)(E,1)/r!
Ω	0.64503670424315	Real period
R	2.4257664258575	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	18240f3 4560d4 54720eh4 91200fa4	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 18240ch4

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

---

Quadratic twists for elliptic curve 18240ch4

-4	8	-3	5
18240f3	4560d4	54720eh4	91200fa4

---

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