Cremona's table of elliptic curves

40768 = 2⁶ · 7² · 13

Field	Data	Notes
Atkin-Lehner	2- 7- 13+	Signs for the Atkin-Lehner involutions
Class	40768cw	Isogeny class
Conductor	40768	Conductor
∏ cp	8	Product of Tamagawa factors cp
Δ	2417050243882287104 = 221 · 79 · 134	Discriminant
Eigenvalues	2-  2 -2 7-  4 13+ -4  2	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-859329,-297060511]	[a1,a2,a3,a4,a6]
Generators	[12283008476730579:551431959165960704:5071603740741]	Generators of the group modulo torsion
j	6634074439/228488	j-invariant
L	7.6166619338841	L(r)(E,1)/r!
Ω	0.15713659790004	Real period
R	24.235798775309	Regulator
r	1	Rank of the group of rational points
S	0.99999999999999	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	40768y2 10192bk2 40768eb2	Quadratic twists by: -4 8 -7

Hecke Eigenvalues for elliptic curve 40768cw2

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

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Quadratic twists for elliptic curve 40768cw2

-4	8	-7
40768y2	10192bk2	40768eb2

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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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