Cremona's table of elliptic curves

16400 = 2⁴ · 5² · 41

Field	Data	Notes
Atkin-Lehner	2+ 5+ 41+	Signs for the Atkin-Lehner involutions
Class	16400a	Isogeny class
Conductor	16400	Conductor
∏ cp	16	Product of Tamagawa factors cp
Δ	-3800083392800000000 = -1 · 211 · 58 · 416	Discriminant
Eigenvalues	2+  0 5+  2 -4 -4 -2  8	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-547675,-182025750]	[a1,a2,a3,a4,a6]
Generators	[123428465:12397510050:12167]	Generators of the group modulo torsion
j	-567730837600722/118752606025	j-invariant
L	4.5940235509391	L(r)(E,1)/r!
Ω	0.086774749285012	Real period
R	13.235484944618	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	8200g2 65600bd2 3280a2	Quadratic twists by: -4 8 5

Hecke Eigenvalues for elliptic curve 16400a2

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	+	2	-4	-4	-2	8	4	4	-4	6	+	4	-2	-12	4	10	-4	6	-6	-6	-4	18	-10

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Quadratic twists for elliptic curve 16400a2

-4	8	5
8200g2	65600bd2	3280a2

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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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