Cremona's table of elliptic curves

20400 = 2⁴ · 3 · 5² · 17

Field	Data	Notes
Atkin-Lehner	2- 3+ 5+ 17+	Signs for the Atkin-Lehner involutions
Class	20400bt	Isogeny class
Conductor	20400	Conductor
∏ cp	64	Product of Tamagawa factors cp
Δ	1.896129E+20	Discriminant
Eigenvalues	2- 3+ 5+  0 -4  2 17+ -4	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-2888008,1770038512]	[a1,a2,a3,a4,a6]
j	41623544884956481/2962701562500	j-invariant
L	0.70316900163061	L(r)(E,1)/r!
Ω	0.17579225040765	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	4	Number of elements in the torsion subgroup
Twists	2550h5 81600hu6 61200ff6 4080be5	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 20400bt5

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

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Quadratic twists for elliptic curve 20400bt5

-4	8	-3	5
2550h5	81600hu6	61200ff6	4080be5

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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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