Cremona's table of elliptic curves

18800 = 2⁴ · 5² · 47

Field	Data	Notes
Atkin-Lehner	2+ 5+ 47-	Signs for the Atkin-Lehner involutions
Class	18800c	Isogeny class
Conductor	18800	Conductor
∏ cp	8	Product of Tamagawa factors cp
deg	21888	Modular degree for the optimal curve
Δ	-113100800 = -1 · 211 · 52 · 472	Discriminant
Eigenvalues	2+ -1 5+  0 -5  4  3  7	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-27648,-1760288]	[a1,a2,a3,a4,a6]
j	-45652085444690/2209	j-invariant
L	1.4809565113826	L(r)(E,1)/r!
Ω	0.18511956392283	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	9400h1 75200cp1 18800g1	Quadratic twists by: -4 8 5

Hecke Eigenvalues for elliptic curve 18800c1

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
+	-1	+	0	-5	4	3	7	4	2	-8	2	3	4	-	0	-12	10	-9	0	7	14	5	15	14

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Quadratic twists for elliptic curve 18800c1

-4	8	5
9400h1	75200cp1	18800g1

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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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