Cremona's table of elliptic curves

42048 = 2⁶ · 3² · 73

Field	Data	Notes
Atkin-Lehner	2+ 3- 73+	Signs for the Atkin-Lehner involutions
Class	42048l	Isogeny class
Conductor	42048	Conductor
∏ cp	16	Product of Tamagawa factors cp
deg	1720320	Modular degree for the optimal curve
Δ	2.2223559185593E+19	Discriminant
Eigenvalues	2+ 3-  4  0 -2  2 -8  4	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-4563228,3745082320]	[a1,a2,a3,a4,a6]
j	879817812976081744/1860656251473	j-invariant
L	3.4370438254482	L(r)(E,1)/r!
Ω	0.21481523908966	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	4	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	42048bu1 5256e1 14016w1	Quadratic twists by: -4 8 -3

Hecke Eigenvalues for elliptic curve 42048l1

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

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Quadratic twists for elliptic curve 42048l1

-4	8	-3
42048bu1	5256e1	14016w1

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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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