Cremona's table of elliptic curves

18396 = 2² · 3² · 7 · 73

Field	Data	Notes
Atkin-Lehner	2- 3+ 7+ 73-	Signs for the Atkin-Lehner involutions
Class	18396b	Isogeny class
Conductor	18396	Conductor
∏ cp	4	Product of Tamagawa factors cp
Δ	883174005504 = 28 · 39 · 74 · 73	Discriminant
Eigenvalues	2- 3+ -2 7+ -6 -2  2  0	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-10071,-386370]	[a1,a2,a3,a4,a6]
Generators	[29668:622349:64]	Generators of the group modulo torsion
j	22418690544/175273	j-invariant
L	3.3772939040089	L(r)(E,1)/r!
Ω	0.47679988785888	Real period
R	7.0832523035502	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	73584s2 18396a2 128772a2	Quadratic twists by: -4 -3 -7

Hecke Eigenvalues for elliptic curve 18396b2

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

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Quadratic twists for elliptic curve 18396b2

-4	-3	-7
73584s2	18396a2	128772a2

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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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