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	18240f	Isogeny class
Conductor	18240	Conductor
∏ cp	32	Product of Tamagawa factors cp
Δ	24253655040000 = 214 · 38 · 54 · 192	Discriminant
Eigenvalues	2+ 3+ 5+  0 -4  2  2 19-	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-11281,-391919]	[a1,a2,a3,a4,a6]
j	9691367618896/1480325625	j-invariant
L	0.93599253269557	L(r)(E,1)/r!
Ω	0.46799626634779	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	4	Number of elements in the torsion subgroup
Twists	18240ch2 2280i2 54720cb2 91200do2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 18240f2

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 18240f2

-4	8	-3	5
18240ch2	2280i2	54720cb2	91200do2

---

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