Cremona's table of elliptic curves

66240 = 2⁶ · 3² · 5 · 23

Field	Data	Notes
Atkin-Lehner	2+ 3- 5+ 23-	Signs for the Atkin-Lehner involutions
Class	66240bu	Isogeny class
Conductor	66240	Conductor
∏ cp	4	Product of Tamagawa factors cp
deg	65536	Modular degree for the optimal curve
Δ	35202651840 = 26 · 314 · 5 · 23	Discriminant
Eigenvalues	2+ 3- 5+  0 -4  6 -6 -4	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-1623,23492]	[a1,a2,a3,a4,a6]
Generators	[92:808:1]	Generators of the group modulo torsion
j	10133786944/754515	j-invariant
L	5.1844586916709	L(r)(E,1)/r!
Ω	1.1362570344296	Real period
R	4.5627516792086	Regulator
r	1	Rank of the group of rational points
S	0.99999999996423	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	66240bc1 33120s3 22080n1	Quadratic twists by: -4 8 -3

Hecke Eigenvalues for elliptic curve 66240bu1

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

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Quadratic twists for elliptic curve 66240bu1

-4	8	-3
66240bc1	33120s3	22080n1

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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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