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	18240cj	Isogeny class
Conductor	18240	Conductor
∏ cp	48	Product of Tamagawa factors cp
Δ	22693478400 = 216 · 36 · 52 · 19	Discriminant
Eigenvalues	2- 3- 5+  2 -2  4 -2 19+	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-1441,19295]	[a1,a2,a3,a4,a6]
Generators	[-1:144:1]	Generators of the group modulo torsion
j	5052857764/346275	j-invariant
L	6.2195222896522	L(r)(E,1)/r!
Ω	1.1808961261617	Real period
R	0.43889848789861	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	18240g2 4560e2 54720ek2 91200fh2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 18240cj2

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

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Quadratic twists for elliptic curve 18240cj2

-4	8	-3	5
18240g2	4560e2	54720ek2	91200fh2

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Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

Part of Computational Number Theory
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