Properties

Label 16-775e8-1.1-c1e8-0-8
Degree $16$
Conductor $1.301\times 10^{23}$
Sign $1$
Analytic cond. $2.15095\times 10^{6}$
Root an. cond. $2.48765$
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  + 8·16-s − 8·31-s + 72·41-s − 72·71-s + 34·81-s − 72·101-s − 32·121-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 + ⋯
L(s)  = 1  + 2·16-s − 1.43·31-s + 11.2·41-s − 8.54·71-s + 34/9·81-s − 7.16·101-s − 2.90·121-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 + 0.0798·157-s + 0.0783·163-s + 0.0773·167-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 + 0.0688·211-s + 0.0669·223-s + 0.0663·227-s + 0.0660·229-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut &\left(5^{16} \cdot 31^{8}\right)^{s/2} \, \Gamma_{\C}(s)^{8} \, L(s)\cr=\mathstrut & \,\Lambda(2-s)\end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut &\left(5^{16} \cdot 31^{8}\right)^{s/2} \, \Gamma_{\C}(s+1/2)^{8} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]

Invariants

Degree: \(16\)
Conductor: \(5^{16} \cdot 31^{8}\)
Sign: $1$
Analytic conductor: \(2.15095\times 10^{6}\)
Root analytic conductor: \(2.48765\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((16,\ 5^{16} \cdot 31^{8} ,\ ( \ : [1/2]^{8} ),\ 1 )\)

Particular Values

\(L(1)\) \(\approx\) \(5.083767216\)
\(L(\frac12)\) \(\approx\) \(5.083767216\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad5 \( 1 \)
31 \( ( 1 + 2 T + p T^{2} )^{4} \)
good2 \( ( 1 - p T + p T^{2} - p^{2} T^{3} + p^{2} T^{4} )^{2}( 1 + p T + p T^{2} + p^{2} T^{3} + p^{2} T^{4} )^{2} \)
3 \( ( 1 - 17 T^{4} + p^{4} T^{8} )^{2} \)
7 \( ( 1 - 34 T^{4} + p^{4} T^{8} )^{2} \)
11 \( ( 1 + 8 T^{2} + p^{2} T^{4} )^{4} \)
13 \( ( 1 + p^{2} T^{4} )^{4} \)
17 \( ( 1 + 263 T^{4} + p^{4} T^{8} )^{2} \)
19 \( ( 1 + 11 T^{2} + p^{2} T^{4} )^{4} \)
23 \( ( 1 - 12 T + 72 T^{2} - 12 p T^{3} + p^{2} T^{4} )^{2}( 1 + 12 T + 72 T^{2} + 12 p T^{3} + p^{2} T^{4} )^{2} \)
29 \( ( 1 + 28 T^{2} + p^{2} T^{4} )^{4} \)
37 \( ( 1 - 1897 T^{4} + p^{4} T^{8} )^{2} \)
41 \( ( 1 - 9 T + p T^{2} )^{8} \)
43 \( ( 1 - 2017 T^{4} + p^{4} T^{8} )^{2} \)
47 \( ( 1 + p^{2} T^{4} )^{4} \)
53 \( ( 1 - 5257 T^{4} + p^{4} T^{8} )^{2} \)
59 \( ( 1 - 109 T^{2} + p^{2} T^{4} )^{4} \)
61 \( ( 1 - 2 T^{2} + p^{2} T^{4} )^{4} \)
67 \( ( 1 - 8722 T^{4} + p^{4} T^{8} )^{2} \)
71 \( ( 1 + 9 T + p T^{2} )^{8} \)
73 \( ( 1 - 457 T^{4} + p^{4} T^{8} )^{2} \)
79 \( ( 1 + 128 T^{2} + p^{2} T^{4} )^{4} \)
83 \( ( 1 - 12097 T^{4} + p^{4} T^{8} )^{2} \)
89 \( ( 1 + 148 T^{2} + p^{2} T^{4} )^{4} \)
97 \( ( 1 - 18334 T^{4} + p^{4} T^{8} )^{2} \)
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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

−4.33671372160898456626081487508, −4.26722962749976135008584376533, −4.18267941779906246362184575577, −4.11771674675733190737888020596, −4.03450727455848983956399887030, −3.89500042815600717433245623148, −3.70746263876546697099738404867, −3.64631049003216661322872059117, −3.19231420601490891700382420957, −3.00338921324611947263027893202, −2.98871528193082281661117938780, −2.97054957013135475697376262720, −2.83330462122790778181866696575, −2.70679070640550724305651403556, −2.43379318552621592066320106472, −2.33754420579424186017576341972, −2.17260563962186581615995065607, −1.84340842523270487923656087311, −1.83870234786733357720675780586, −1.26261431381247641569756370987, −1.21849906516767806716604929369, −1.18848292494883336989450164649, −1.05955377742613912421608884310, −0.57904563875377422959986203556, −0.32213802240742126134234867514, 0.32213802240742126134234867514, 0.57904563875377422959986203556, 1.05955377742613912421608884310, 1.18848292494883336989450164649, 1.21849906516767806716604929369, 1.26261431381247641569756370987, 1.83870234786733357720675780586, 1.84340842523270487923656087311, 2.17260563962186581615995065607, 2.33754420579424186017576341972, 2.43379318552621592066320106472, 2.70679070640550724305651403556, 2.83330462122790778181866696575, 2.97054957013135475697376262720, 2.98871528193082281661117938780, 3.00338921324611947263027893202, 3.19231420601490891700382420957, 3.64631049003216661322872059117, 3.70746263876546697099738404867, 3.89500042815600717433245623148, 4.03450727455848983956399887030, 4.11771674675733190737888020596, 4.18267941779906246362184575577, 4.26722962749976135008584376533, 4.33671372160898456626081487508

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

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