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	66240dz	Isogeny class
Conductor	66240	Conductor
∏ cp	8	Product of Tamagawa factors cp
deg	331776	Modular degree for the optimal curve
Δ	27557332254720 = 224 · 33 · 5 · 233	Discriminant
Eigenvalues	2- 3+ 5-  4  0  4  0 -4	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-243852,-46348016]	[a1,a2,a3,a4,a6]
Generators	[-18216793985070:-174294820189:64096048008]	Generators of the group modulo torsion
j	226568219476347/3893440	j-invariant
L	8.7038879006402	L(r)(E,1)/r!
Ω	0.21484162173568	Real period
R	20.256521595991	Regulator
r	1	Rank of the group of rational points
S	0.99999999998014	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	66240y1 16560z1 66240ds3	Quadratic twists by: -4 8 -3

Hecke Eigenvalues for elliptic curve 66240dz1

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

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Quadratic twists for elliptic curve 66240dz1

-4	8	-3
66240y1	16560z1	66240ds3

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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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