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	18240ca	Isogeny class
Conductor	18240	Conductor
∏ cp	8	Product of Tamagawa factors cp
Δ	-1170652066099200 = -1 · 212 · 35 · 52 · 196	Discriminant
Eigenvalues	2- 3+ 5-  0  2 -2 -2 19+	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,23255,912457]	[a1,a2,a3,a4,a6]
Generators	[1476:77345:64]	Generators of the group modulo torsion
j	339542483015744/285803727075	j-invariant
L	4.5434498203374	L(r)(E,1)/r!
Ω	0.3157872282155	Real period
R	7.1938467018003	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	18240cr2 9120f1 54720di2 91200hh2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 18240ca2

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	2	-2	-2	+	-2	0	0	10	0	-4	6	-12	0	-2	12	12	-10	-8	10	-16	10

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Quadratic twists for elliptic curve 18240ca2

-4	8	-3	5
18240cr2	9120f1	54720di2	91200hh2

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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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