Properties

Label 16-1944e8-1.1-c0e8-0-0
Degree $16$
Conductor $2.040\times 10^{26}$
Sign $1$
Analytic cond. $0.784923$
Root an. cond. $0.984978$
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  − 4·7-s + 16-s + 4·31-s + 10·49-s − 4·79-s − 4·97-s − 4·112-s + 4·121-s + 127-s + 131-s + 137-s + 139-s + 149-s + 151-s + 157-s + 163-s + 167-s − 2·169-s + 173-s + 179-s + 181-s + 191-s + 193-s + 197-s + 199-s + 211-s − 16·217-s + ⋯
L(s)  = 1  − 4·7-s + 16-s + 4·31-s + 10·49-s − 4·79-s − 4·97-s − 4·112-s + 4·121-s + 127-s + 131-s + 137-s + 139-s + 149-s + 151-s + 157-s + 163-s + 167-s − 2·169-s + 173-s + 179-s + 181-s + 191-s + 193-s + 197-s + 199-s + 211-s − 16·217-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{24} \cdot 3^{40}\right)^{s/2} \, \Gamma_{\C}(s)^{8} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{24} \cdot 3^{40}\right)^{s/2} \, \Gamma_{\C}(s)^{8} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]

Invariants

Degree: \(16\)
Conductor: \(2^{24} \cdot 3^{40}\)
Sign: $1$
Analytic conductor: \(0.784923\)
Root analytic conductor: \(0.984978\)
Motivic weight: \(0\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((16,\ 2^{24} \cdot 3^{40} ,\ ( \ : [0]^{8} ),\ 1 )\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(0.7943653069\)
\(L(\frac12)\) \(\approx\) \(0.7943653069\)
\(L(1)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - T^{4} + T^{8} \)
3 \( 1 \)
good5 \( ( 1 - T^{4} + T^{8} )^{2} \)
7 \( ( 1 + T )^{8}( 1 - T + T^{2} )^{4} \)
11 \( ( 1 - T^{2} + T^{4} )^{4} \)
13 \( ( 1 + T^{2} )^{4}( 1 - T^{2} + T^{4} )^{2} \)
17 \( ( 1 + T^{4} )^{4} \)
19 \( ( 1 - T^{2} + T^{4} )^{4} \)
23 \( ( 1 - T^{4} + T^{8} )^{2} \)
29 \( ( 1 - T^{2} + T^{4} )^{4} \)
31 \( ( 1 - T )^{8}( 1 + T + T^{2} )^{4} \)
37 \( ( 1 - T^{2} + T^{4} )^{4} \)
41 \( ( 1 - T^{4} + T^{8} )^{2} \)
43 \( ( 1 + T^{2} )^{4}( 1 - T^{2} + T^{4} )^{2} \)
47 \( ( 1 - T + T^{2} )^{4}( 1 + T + T^{2} )^{4} \)
53 \( ( 1 + T^{2} )^{8} \)
59 \( ( 1 - T^{4} + T^{8} )^{2} \)
61 \( ( 1 - T + T^{2} )^{4}( 1 + T + T^{2} )^{4} \)
67 \( ( 1 - T + T^{2} )^{4}( 1 + T + T^{2} )^{4} \)
71 \( ( 1 - T )^{8}( 1 + T )^{8} \)
73 \( ( 1 + T^{2} )^{8} \)
79 \( ( 1 + T )^{8}( 1 - T + T^{2} )^{4} \)
83 \( ( 1 - T^{4} + T^{8} )^{2} \)
89 \( ( 1 + T^{4} )^{4} \)
97 \( ( 1 + T )^{8}( 1 - T + T^{2} )^{4} \)
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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

−4.11117974003182154835377785348, −4.10138376469841561499873327468, −3.94916829315224528102807916422, −3.55859354667974660930774562798, −3.52452093217410266029486365937, −3.39402786809487850388162923236, −3.22985522310687576205902997524, −3.16899701042474434620135318813, −3.14676131367927703229907701629, −3.02660466131275230003323295219, −2.91248591376626704475575134112, −2.76786616850989997190009254096, −2.74075989518355010926395928147, −2.49221584353409145990665859967, −2.42491946892223110330033464546, −2.30091691347588048489518700279, −1.92480651337774270848425548859, −1.86913406304135666342827114457, −1.76723085765776005991735677568, −1.58271735753355434006350704839, −1.26585062887823007693960992745, −1.00783614577151169499100071847, −0.882020100585218365574229804292, −0.68716964152145887877836181788, −0.51777592074936686656825626001, 0.51777592074936686656825626001, 0.68716964152145887877836181788, 0.882020100585218365574229804292, 1.00783614577151169499100071847, 1.26585062887823007693960992745, 1.58271735753355434006350704839, 1.76723085765776005991735677568, 1.86913406304135666342827114457, 1.92480651337774270848425548859, 2.30091691347588048489518700279, 2.42491946892223110330033464546, 2.49221584353409145990665859967, 2.74075989518355010926395928147, 2.76786616850989997190009254096, 2.91248591376626704475575134112, 3.02660466131275230003323295219, 3.14676131367927703229907701629, 3.16899701042474434620135318813, 3.22985522310687576205902997524, 3.39402786809487850388162923236, 3.52452093217410266029486365937, 3.55859354667974660930774562798, 3.94916829315224528102807916422, 4.10138376469841561499873327468, 4.11117974003182154835377785348

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

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