Properties

Label 16-448e8-1.1-c1e8-0-3
Degree $16$
Conductor $1.623\times 10^{21}$
Sign $1$
Analytic cond. $26818.9$
Root an. cond. $1.89137$
Motivic weight $1$
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  − 2·9-s + 36·17-s + 10·25-s − 4·49-s − 36·73-s + 19·81-s − 36·89-s − 96·113-s + 14·121-s + 127-s + 131-s + 137-s + 139-s + 149-s + 151-s − 72·153-s + 157-s + 163-s + 167-s − 104·169-s + 173-s + 179-s + 181-s + 191-s + 193-s + 197-s + 199-s + ⋯
L(s)  = 1  − 2/3·9-s + 8.73·17-s + 2·25-s − 4/7·49-s − 4.21·73-s + 19/9·81-s − 3.81·89-s − 9.03·113-s + 1.27·121-s + 0.0887·127-s + 0.0873·131-s + 0.0854·137-s + 0.0848·139-s + 0.0819·149-s + 0.0813·151-s − 5.82·153-s + 0.0798·157-s + 0.0783·163-s + 0.0773·167-s − 8·169-s + 0.0760·173-s + 0.0747·179-s + 0.0743·181-s + 0.0723·191-s + 0.0719·193-s + 0.0712·197-s + 0.0708·199-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{48} \cdot 7^{8}\right)^{s/2} \, \Gamma_{\C}(s)^{8} \, L(s)\cr=\mathstrut & \,\Lambda(2-s)\end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{48} \cdot 7^{8}\right)^{s/2} \, \Gamma_{\C}(s+1/2)^{8} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]

Invariants

Degree: \(16\)
Conductor: \(2^{48} \cdot 7^{8}\)
Sign: $1$
Analytic conductor: \(26818.9\)
Root analytic conductor: \(1.89137\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((16,\ 2^{48} \cdot 7^{8} ,\ ( \ : [1/2]^{8} ),\ 1 )\)

Particular Values

\(L(1)\) \(\approx\) \(4.098517110\)
\(L(\frac12)\) \(\approx\) \(4.098517110\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
7 \( ( 1 + 2 T^{2} + p^{2} T^{4} )^{2} \)
good3 \( ( 1 + T^{2} - 8 T^{4} + p^{2} T^{6} + p^{4} T^{8} )^{2} \)
5 \( ( 1 - p T^{2} )^{4}( 1 + p T^{2} + p^{2} T^{4} )^{2} \)
11 \( ( 1 - 7 T^{2} - 72 T^{4} - 7 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
13 \( ( 1 + p T^{2} )^{8} \)
17 \( ( 1 - 9 T + 44 T^{2} - 9 p T^{3} + p^{2} T^{4} )^{4} \)
19 \( ( 1 - 7 T^{2} - 312 T^{4} - 7 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
23 \( ( 1 + 37 T^{2} + 840 T^{4} + 37 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
29 \( ( 1 + 2 T^{2} + p^{2} T^{4} )^{4} \)
31 \( ( 1 - 46 T^{2} + p^{2} T^{4} )^{2}( 1 - 13 T^{2} + p^{2} T^{4} )^{2} \)
37 \( ( 1 - 61 T^{2} + 2352 T^{4} - 61 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
41 \( ( 1 + 26 T^{2} + p^{2} T^{4} )^{4} \)
43 \( ( 1 + p T^{2} )^{8} \)
47 \( ( 1 - 67 T^{2} + 2280 T^{4} - 67 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
53 \( ( 1 + 91 T^{2} + 5472 T^{4} + 91 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
59 \( ( 1 + 113 T^{2} + 9288 T^{4} + 113 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
61 \( ( 1 - 77 T^{2} + 2208 T^{4} - 77 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
67 \( ( 1 + T^{2} - 4488 T^{4} + p^{2} T^{6} + p^{4} T^{8} )^{2} \)
71 \( ( 1 - 106 T^{2} + p^{2} T^{4} )^{4} \)
73 \( ( 1 + 9 T + 100 T^{2} + 9 p T^{3} + p^{2} T^{4} )^{4} \)
79 \( ( 1 - 142 T^{2} + p^{2} T^{4} )^{2}( 1 + 131 T^{2} + p^{2} T^{4} )^{2} \)
83 \( ( 1 - 146 T^{2} + p^{2} T^{4} )^{4} \)
89 \( ( 1 + 9 T + 116 T^{2} + 9 p T^{3} + p^{2} T^{4} )^{4} \)
97 \( ( 1 - 182 T^{2} + p^{2} T^{4} )^{4} \)
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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

−4.96280166596327501392016016270, −4.94484659759141918658929382263, −4.87246595385158032332613868729, −4.44854555028266885414207441560, −4.05102881319106145810637510002, −4.02865743936933805275183292511, −4.02455818587310813697000865993, −3.92110615410783594690340378474, −3.89810099323124256262399775153, −3.29207210449248555469820676671, −3.24316805434977761924415275522, −3.23081911973860292364268492628, −3.14913100296089988578281864624, −3.13041585379470395460645242294, −2.81131613405990301453412037535, −2.69807335596867841962478822600, −2.56323623286910209665701306601, −2.28154425166454555859248951814, −1.93867443373797405860210388279, −1.36312896730591228081064368954, −1.32778315975093716078252250746, −1.29159057992756876896181853998, −1.16610805740405323067524241190, −1.12716860289092540567033393810, −0.34666289553865611288580353702, 0.34666289553865611288580353702, 1.12716860289092540567033393810, 1.16610805740405323067524241190, 1.29159057992756876896181853998, 1.32778315975093716078252250746, 1.36312896730591228081064368954, 1.93867443373797405860210388279, 2.28154425166454555859248951814, 2.56323623286910209665701306601, 2.69807335596867841962478822600, 2.81131613405990301453412037535, 3.13041585379470395460645242294, 3.14913100296089988578281864624, 3.23081911973860292364268492628, 3.24316805434977761924415275522, 3.29207210449248555469820676671, 3.89810099323124256262399775153, 3.92110615410783594690340378474, 4.02455818587310813697000865993, 4.02865743936933805275183292511, 4.05102881319106145810637510002, 4.44854555028266885414207441560, 4.87246595385158032332613868729, 4.94484659759141918658929382263, 4.96280166596327501392016016270

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

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