Properties

Label 16-408e8-1.1-c0e8-0-1
Degree $16$
Conductor $7.679\times 10^{20}$
Sign $1$
Analytic cond. $2.95486\times 10^{-6}$
Root an. cond. $0.451241$
Motivic weight $0$
Arithmetic yes
Rational yes
Primitive no
Self-dual yes
Analytic rank $0$

Origins

Origins of factors

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Normalization:  

Dirichlet series

L(s)  = 1  − 8·43-s + 8·83-s − 8·107-s − 4·121-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 + ⋯
L(s)  = 1  − 8·43-s + 8·83-s − 8·107-s − 4·121-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 + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{24} \cdot 3^{8} \cdot 17^{8}\right)^{s/2} \, \Gamma_{\C}(s)^{8} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{24} \cdot 3^{8} \cdot 17^{8}\right)^{s/2} \, \Gamma_{\C}(s)^{8} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]

Invariants

Degree: \(16\)
Conductor: \(2^{24} \cdot 3^{8} \cdot 17^{8}\)
Sign: $1$
Analytic conductor: \(2.95486\times 10^{-6}\)
Root analytic conductor: \(0.451241\)
Motivic weight: \(0\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((16,\ 2^{24} \cdot 3^{8} \cdot 17^{8} ,\ ( \ : [0]^{8} ),\ 1 )\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(0.2154853339\)
\(L(\frac12)\) \(\approx\) \(0.2154853339\)
\(L(1)\) 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 \( 1 + T^{8} \)
17 \( 1 + T^{8} \)
good5 \( 1 + T^{16} \)
7 \( 1 + T^{16} \)
11 \( ( 1 + T^{2} )^{4}( 1 + T^{8} ) \)
13 \( ( 1 + T^{4} )^{4} \)
19 \( ( 1 + T^{8} )^{2} \)
23 \( 1 + T^{16} \)
29 \( 1 + T^{16} \)
31 \( 1 + T^{16} \)
37 \( 1 + T^{16} \)
41 \( ( 1 + T^{4} )^{2}( 1 + T^{8} ) \)
43 \( ( 1 + T )^{8}( 1 + T^{4} )^{2} \)
47 \( ( 1 + T^{4} )^{4} \)
53 \( ( 1 + T^{8} )^{2} \)
59 \( ( 1 + T^{2} )^{4}( 1 + T^{4} )^{2} \)
61 \( 1 + T^{16} \)
67 \( ( 1 + T^{8} )^{2} \)
71 \( 1 + T^{16} \)
73 \( ( 1 + T^{4} )^{2}( 1 + T^{8} ) \)
79 \( 1 + T^{16} \)
83 \( ( 1 - T )^{8}( 1 + T^{4} )^{2} \)
89 \( ( 1 + T^{8} )^{2} \)
97 \( ( 1 + T^{2} )^{4}( 1 + T^{8} ) \)
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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

−5.21623021130690987079458257192, −5.06198050948968082724024420023, −5.03369671349619399853037110187, −4.96414542674920618453371624196, −4.70964419226433234520834084455, −4.59727183674537313206261360576, −4.57045741579681992659861905089, −4.24820270240385109453908043735, −3.86906567783537032387911895940, −3.77579477130393020563288229490, −3.76122532379670187670661762304, −3.67394816262411704870746226673, −3.65344935182624333732738392621, −3.36176885451074902688848344946, −3.07685623229264143913271079430, −2.88740142808775247994868473731, −2.87835589878174848708148280937, −2.69767315888045546575505374469, −2.38491269646857317698040132903, −2.07214209543100881357120571184, −2.05391184680140060346904513205, −1.77022214936509768958723047748, −1.56455475444913670940882748655, −1.32595840352225688512182775267, −1.11338188910639087635443663018, 1.11338188910639087635443663018, 1.32595840352225688512182775267, 1.56455475444913670940882748655, 1.77022214936509768958723047748, 2.05391184680140060346904513205, 2.07214209543100881357120571184, 2.38491269646857317698040132903, 2.69767315888045546575505374469, 2.87835589878174848708148280937, 2.88740142808775247994868473731, 3.07685623229264143913271079430, 3.36176885451074902688848344946, 3.65344935182624333732738392621, 3.67394816262411704870746226673, 3.76122532379670187670661762304, 3.77579477130393020563288229490, 3.86906567783537032387911895940, 4.24820270240385109453908043735, 4.57045741579681992659861905089, 4.59727183674537313206261360576, 4.70964419226433234520834084455, 4.96414542674920618453371624196, 5.03369671349619399853037110187, 5.06198050948968082724024420023, 5.21623021130690987079458257192

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

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