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	127680ew	Isogeny class
Conductor	127680	Conductor
∏ cp	320	Product of Tamagawa factors cp
Δ	1.2000019006633E+26	Discriminant
Eigenvalues	2- 3- 5+ 7+  0 -6  2 19+	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-163926561,-612278041761]	[a1,a2,a3,a4,a6]
Generators	[-6441:420000:1]	Generators of the group modulo torsion
j	1858368248693819973741961/457764396920504296875	j-invariant
L	6.8933424851437	L(r)(E,1)/r!
Ω	0.042952289724083	Real period
R	2.006104517131	Regulator
r	1	Rank of the group of rational points
S	0.99999998407383	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	127680o4 31920bd4	Quadratic twists by: -4 8

Hecke Eigenvalues for elliptic curve 127680ew4

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	-6	2	+	4	-10	8	2	6	4	4	-10	4	2	4	0	10	-8	-16	6	-6

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Quadratic twists for elliptic curve 127680ew4

-4	8
127680o4	31920bd4

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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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