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	66240cx	Isogeny class
Conductor	66240	Conductor
∏ cp	256	Product of Tamagawa factors cp
Δ	1799246649600000000 = 214 · 312 · 58 · 232	Discriminant
Eigenvalues	2+ 3- 5-  0 -4  2 -2 -4	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-4657692,-3868511024]	[a1,a2,a3,a4,a6]
j	935596404100595536/150641015625	j-invariant
L	1.6442999444429	L(r)(E,1)/r!
Ω	0.10276874642977	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	4	Number of elements in the torsion subgroup
Twists	66240fl2 8280i2 22080w2	Quadratic twists by: -4 8 -3

Hecke Eigenvalues for elliptic curve 66240cx2

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

---

Quadratic twists for elliptic curve 66240cx2

-4	8	-3
66240fl2	8280i2	22080w2

---

Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

Part of Computational Number Theory
Back to Tables and computations