Properties

Label 16-480e8-1.1-c0e8-0-0
Degree $16$
Conductor $2.818\times 10^{21}$
Sign $1$
Analytic cond. $1.08439\times 10^{-5}$
Root an. cond. $0.489439$
Motivic weight $0$
Arithmetic yes
Rational yes
Primitive no
Self-dual yes
Analytic rank $0$

Origins

Origins of factors

Downloads

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Normalization:  

Dirichlet series

L(s)  = 1  − 8·61-s + 127-s + 131-s + 137-s + 139-s + 149-s + 151-s + 157-s + 163-s + 167-s + 173-s + 179-s + 181-s + 191-s + 193-s + 197-s + 199-s + 211-s + 223-s + 227-s + 229-s + 233-s + 239-s + 241-s + 251-s − 256-s + 257-s + ⋯
L(s)  = 1  − 8·61-s + 127-s + 131-s + 137-s + 139-s + 149-s + 151-s + 157-s + 163-s + 167-s + 173-s + 179-s + 181-s + 191-s + 193-s + 197-s + 199-s + 211-s + 223-s + 227-s + 229-s + 233-s + 239-s + 241-s + 251-s − 256-s + 257-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{40} \cdot 3^{8} \cdot 5^{8}\right)^{s/2} \, \Gamma_{\C}(s)^{8} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{40} \cdot 3^{8} \cdot 5^{8}\right)^{s/2} \, \Gamma_{\C}(s)^{8} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]

Invariants

Degree: \(16\)
Conductor: \(2^{40} \cdot 3^{8} \cdot 5^{8}\)
Sign: $1$
Analytic conductor: \(1.08439\times 10^{-5}\)
Root analytic conductor: \(0.489439\)
Motivic weight: \(0\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((16,\ 2^{40} \cdot 3^{8} \cdot 5^{8} ,\ ( \ : [0]^{8} ),\ 1 )\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(0.2758139037\)
\(L(\frac12)\) \(\approx\) \(0.2758139037\)
\(L(1)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + T^{8} \)
3 \( 1 + T^{8} \)
5 \( 1 + T^{8} \)
good7 \( ( 1 + T^{4} )^{4} \)
11 \( ( 1 + T^{8} )^{2} \)
13 \( ( 1 + T^{8} )^{2} \)
17 \( ( 1 + T^{8} )^{2} \)
19 \( ( 1 + T^{2} )^{4}( 1 + T^{4} )^{2} \)
23 \( ( 1 + T^{8} )^{2} \)
29 \( ( 1 + T^{8} )^{2} \)
31 \( ( 1 + T^{4} )^{4} \)
37 \( ( 1 + T^{8} )^{2} \)
41 \( ( 1 + T^{4} )^{4} \)
43 \( ( 1 + T^{8} )^{2} \)
47 \( ( 1 + T^{8} )^{2} \)
53 \( ( 1 + T^{8} )^{2} \)
59 \( ( 1 + T^{8} )^{2} \)
61 \( ( 1 + T )^{8}( 1 + T^{4} )^{2} \)
67 \( ( 1 + T^{8} )^{2} \)
71 \( ( 1 + T^{4} )^{4} \)
73 \( ( 1 + T^{4} )^{4} \)
79 \( ( 1 - T )^{8}( 1 + T )^{8} \)
83 \( ( 1 + T^{8} )^{2} \)
89 \( ( 1 + T^{4} )^{4} \)
97 \( ( 1 - T )^{8}( 1 + T )^{8} \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{16} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−5.09470032567936546611171530725, −4.89092744545772404709306536763, −4.80245617053630373022698853134, −4.78325592094507981535842961147, −4.58487114272788382918758205339, −4.48100098493923577209838229287, −4.19915623439102622810059681238, −4.17024161667222865536322127642, −3.91637922139768922784361732789, −3.82138572584049933431629833425, −3.70002874252219234852205007549, −3.59973405390079576639375319791, −3.26770646524728254107296722957, −3.05845681824798920101211019981, −3.02051181319381739582656508481, −2.94753161345771772689683757979, −2.71289120383087434687676791588, −2.56683934784174094325973886809, −2.38601920806306834565530983533, −2.10434442424018758657396409286, −1.77080149460528092086803878449, −1.68204995784305245105306313746, −1.47872364347631136695807171386, −1.37374506817259377253998358129, −0.947679843246984856948564571077, 0.947679843246984856948564571077, 1.37374506817259377253998358129, 1.47872364347631136695807171386, 1.68204995784305245105306313746, 1.77080149460528092086803878449, 2.10434442424018758657396409286, 2.38601920806306834565530983533, 2.56683934784174094325973886809, 2.71289120383087434687676791588, 2.94753161345771772689683757979, 3.02051181319381739582656508481, 3.05845681824798920101211019981, 3.26770646524728254107296722957, 3.59973405390079576639375319791, 3.70002874252219234852205007549, 3.82138572584049933431629833425, 3.91637922139768922784361732789, 4.17024161667222865536322127642, 4.19915623439102622810059681238, 4.48100098493923577209838229287, 4.58487114272788382918758205339, 4.78325592094507981535842961147, 4.80245617053630373022698853134, 4.89092744545772404709306536763, 5.09470032567936546611171530725

Graph of the $Z$-function along the critical line

Plot not available for L-functions of degree greater than 10.