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	128	Product of Tamagawa factors cp
Δ	1340027206041600 = 216 · 316 · 52 · 19	Discriminant
Eigenvalues	2- 3- 5+  0  4  2  2 19+	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-49281,-3841281]	[a1,a2,a3,a4,a6]
Generators	[-105:432:1]	Generators of the group modulo torsion
j	201971983086724/20447192475	j-invariant
L	6.2588335223953	L(r)(E,1)/r!
Ω	0.32251835212158	Real period
R	0.60644160646438	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	18240f4 4560d3 54720eh3 91200fa3	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 18240ch3

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

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Quadratic twists for elliptic curve 18240ch3

-4	8	-3	5
18240f4	4560d3	54720eh3	91200fa3

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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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