Cremona's table of elliptic curves

20280 = 2³ · 3 · 5 · 13²

Field	Data	Notes
Atkin-Lehner	2+ 3+ 5+ 13+	Signs for the Atkin-Lehner involutions
Class	20280d	Isogeny class
Conductor	20280	Conductor
∏ cp	4	Product of Tamagawa factors cp
Δ	1927634442240 = 211 · 3 · 5 · 137	Discriminant
Eigenvalues	2+ 3+ 5+ -4 -4 13+  6  0	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-1406136,642253260]	[a1,a2,a3,a4,a6]
Generators	[5498:831:8]	Generators of the group modulo torsion
j	31103978031362/195	j-invariant
L	2.7392879468297	L(r)(E,1)/r!
Ω	0.56918621875722	Real period
R	4.8126392673574	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	40560t4 60840ca4 101400di4 1560k4	Quadratic twists by: -4 -3 5 13

Hecke Eigenvalues for elliptic curve 20280d4

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

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Quadratic twists for elliptic curve 20280d4

-4	-3	5	13
40560t4	60840ca4	101400di4	1560k4

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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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