Cremona's table of elliptic curves

27840 = 2⁶ · 3 · 5 · 29

Field	Data	Notes
Atkin-Lehner	2+ 3+ 5+ 29+	Signs for the Atkin-Lehner involutions
Class	27840j	Isogeny class
Conductor	27840	Conductor
∏ cp	32	Product of Tamagawa factors cp
Δ	1569507840000 = 212 · 36 · 54 · 292	Discriminant
Eigenvalues	2+ 3+ 5+ -4 -4  2 -2 -4	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-2921,8745]	[a1,a2,a3,a4,a6]
Generators	[-47:200:1]	Generators of the group modulo torsion
j	673142647744/383180625	j-invariant
L	2.440612765685	L(r)(E,1)/r!
Ω	0.72622697418801	Real period
R	1.6803374512588	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	4	Number of elements in the torsion subgroup
Twists	27840bm2 13920bh1 83520dh2	Quadratic twists by: -4 8 -3

Hecke Eigenvalues for elliptic curve 27840j2

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

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Quadratic twists for elliptic curve 27840j2

-4	8	-3
27840bm2	13920bh1	83520dh2

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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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