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	18240a	Isogeny class
Conductor	18240	Conductor
∏ cp	4	Product of Tamagawa factors cp
deg	92160	Modular degree for the optimal curve
Δ	-10069833350088000 = -1 · 26 · 320 · 53 · 192	Discriminant
Eigenvalues	2+ 3+ 5+  0  0  6 -2 19+	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,40484,-3685034]	[a1,a2,a3,a4,a6]
Generators	[7238317243:-2345737247526:68921]	Generators of the group modulo torsion
j	114652428754998464/157341146095125	j-invariant
L	4.1167551211453	L(r)(E,1)/r!
Ω	0.21678510585468	Real period
R	18.990027497115	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	18240bf1 9120r4 54720bn1 91200cm1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 18240a1

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	0	6	-2	+	0	2	4	-2	-6	4	0	-6	0	-14	4	8	-14	-12	12	-6	10

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Quadratic twists for elliptic curve 18240a1

-4	8	-3	5
18240bf1	9120r4	54720bn1	91200cm1

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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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