Cremona's table of elliptic curves

127680 = 2⁶ · 3 · 5 · 7 · 19

Field	Data	Notes
Atkin-Lehner	2+ 3+ 5- 7- 19-	Signs for the Atkin-Lehner involutions
Class	127680bu	Isogeny class
Conductor	127680	Conductor
∏ cp	8	Product of Tamagawa factors cp
Δ	1852877124403200 = 220 · 312 · 52 · 7 · 19	Discriminant
Eigenvalues	2+ 3+ 5- 7- -4  6 -2 19-	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-4540705,3725713825]	[a1,a2,a3,a4,a6]
j	39496057701398850889/7068165300	j-invariant
L	2.9554702973345	L(r)(E,1)/r!
Ω	0.36943370968696	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	127680fw4 3990m3	Quadratic twists by: -4 8

Hecke Eigenvalues for elliptic curve 127680bu4

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	6	-2	-	0	6	0	2	6	4	-4	6	4	2	16	0	2	4	8	6	-2

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Quadratic twists for elliptic curve 127680bu4

-4	8
127680fw4	3990m3

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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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