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	18240ct	Isogeny class
Conductor	18240	Conductor
∏ cp	8	Product of Tamagawa factors cp
deg	2048	Modular degree for the optimal curve
Δ	2462400 = 26 · 34 · 52 · 19	Discriminant
Eigenvalues	2- 3- 5-  2  0  0 -2 19-	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-40,50]	[a1,a2,a3,a4,a6]
Generators	[-7:6:1]	Generators of the group modulo torsion
j	113379904/38475	j-invariant
L	7.106837688942	L(r)(E,1)/r!
Ω	2.3704923120655	Real period
R	1.4990214591225	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	18240cd1 9120b2 54720du1 91200ga1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 18240ct1

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	0	0	-2	-	-2	-2	0	-8	-6	-10	-10	8	-4	2	-4	0	-2	-8	6	2	0

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Quadratic twists for elliptic curve 18240ct1

-4	8	-3	5
18240cd1	9120b2	54720du1	91200ga1

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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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