Cremona's table of elliptic curves

18490 = 2 · 5 · 43²

Field	Data	Notes
Atkin-Lehner	2+ 5- 43+	Signs for the Atkin-Lehner involutions
Class	18490d	Isogeny class
Conductor	18490	Conductor
∏ cp	6	Product of Tamagawa factors cp
deg	144480	Modular degree for the optimal curve
Δ	-233764005552020 = -1 · 22 · 5 · 438	Discriminant
Eigenvalues	2+  3 5-  0 -6  0 -4 -4	Hecke eigenvalues for primes up to 20
Equation	[1,-1,0,-4969,749105]	[a1,a2,a3,a4,a6]
j	-1161/20	j-invariant
L	2.8208657558128	L(r)(E,1)/r!
Ω	0.47014429263547	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	92450x1 18490k1	Quadratic twists by: 5 -43

Hecke Eigenvalues for elliptic curve 18490d1

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
+	3	-	0	-6	0	-4	-4	0	9	4	-8	5	+	-3	6	2	-2	11	8	8	0	11	13	-8

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Quadratic twists for elliptic curve 18490d1

5	-43
92450x1	18490k1

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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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