Properties

Label 8-1260e4-1.1-c0e4-0-7
Degree $8$
Conductor $2.520\times 10^{12}$
Sign $1$
Analytic cond. $0.156354$
Root an. cond. $0.792982$
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  + 4-s + 4·5-s − 2·9-s + 4·20-s + 10·25-s − 2·36-s + 4·41-s − 8·45-s + 49-s − 6·61-s − 64-s + 3·81-s − 2·89-s + 10·100-s − 4·101-s − 4·109-s − 4·121-s + 20·125-s + 127-s + 131-s + 137-s + 139-s + 149-s + 151-s + 157-s + 163-s + 4·164-s + ⋯
L(s)  = 1  + 4-s + 4·5-s − 2·9-s + 4·20-s + 10·25-s − 2·36-s + 4·41-s − 8·45-s + 49-s − 6·61-s − 64-s + 3·81-s − 2·89-s + 10·100-s − 4·101-s − 4·109-s − 4·121-s + 20·125-s + 127-s + 131-s + 137-s + 139-s + 149-s + 151-s + 157-s + 163-s + 4·164-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{8} \cdot 3^{8} \cdot 5^{4} \cdot 7^{4}\right)^{s/2} \, \Gamma_{\C}(s)^{4} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{8} \cdot 3^{8} \cdot 5^{4} \cdot 7^{4}\right)^{s/2} \, \Gamma_{\C}(s)^{4} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]

Invariants

Degree: \(8\)
Conductor: \(2^{8} \cdot 3^{8} \cdot 5^{4} \cdot 7^{4}\)
Sign: $1$
Analytic conductor: \(0.156354\)
Root analytic conductor: \(0.792982\)
Motivic weight: \(0\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((8,\ 2^{8} \cdot 3^{8} \cdot 5^{4} \cdot 7^{4} ,\ ( \ : 0, 0, 0, 0 ),\ 1 )\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(2.706879934\)
\(L(\frac12)\) \(\approx\) \(2.706879934\)
\(L(1)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$\Gal(F_p)$$F_p(T)$
bad2$C_2^2$ \( 1 - T^{2} + T^{4} \)
3$C_2$ \( ( 1 + T^{2} )^{2} \)
5$C_1$ \( ( 1 - T )^{4} \)
7$C_2^2$ \( 1 - T^{2} + T^{4} \)
good11$C_2$ \( ( 1 + T^{2} )^{4} \)
13$C_2^2$ \( ( 1 - T^{2} + T^{4} )^{2} \)
17$C_2$ \( ( 1 - T + T^{2} )^{2}( 1 + T + T^{2} )^{2} \)
19$C_2^2$ \( ( 1 - T^{2} + T^{4} )^{2} \)
23$C_2^2$ \( ( 1 - T^{2} + T^{4} )^{2} \)
29$C_2$ \( ( 1 - T + T^{2} )^{2}( 1 + T + T^{2} )^{2} \)
31$C_2^2$ \( ( 1 - T^{2} + T^{4} )^{2} \)
37$C_2$ \( ( 1 - T + T^{2} )^{2}( 1 + T + T^{2} )^{2} \)
41$C_2$ \( ( 1 - T + T^{2} )^{4} \)
43$C_2$$\times$$C_2^2$ \( ( 1 + T^{2} )^{2}( 1 - T^{2} + T^{4} ) \)
47$C_2$$\times$$C_2^2$ \( ( 1 + T^{2} )^{2}( 1 - T^{2} + T^{4} ) \)
53$C_2^2$ \( ( 1 - T^{2} + T^{4} )^{2} \)
59$C_2$ \( ( 1 - T + T^{2} )^{2}( 1 + T + T^{2} )^{2} \)
61$C_1$$\times$$C_2$ \( ( 1 + T )^{4}( 1 + T + T^{2} )^{2} \)
67$C_2$$\times$$C_2^2$ \( ( 1 + T^{2} )^{2}( 1 - T^{2} + T^{4} ) \)
71$C_2$ \( ( 1 + T^{2} )^{4} \)
73$C_2^2$ \( ( 1 - T^{2} + T^{4} )^{2} \)
79$C_2$ \( ( 1 - T + T^{2} )^{2}( 1 + T + T^{2} )^{2} \)
83$C_2^2$ \( ( 1 - T^{2} + T^{4} )^{2} \)
89$C_1$$\times$$C_2$ \( ( 1 + T )^{4}( 1 - T + T^{2} )^{2} \)
97$C_2^2$ \( ( 1 - T^{2} + T^{4} )^{2} \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{8} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−6.81107651978977083227175357615, −6.68223063811269235170266728578, −6.62136047080126541631488667744, −6.48349043539424484280093575736, −6.28634862325814414317861584422, −5.85071292438049271412489111453, −5.75206331008691630025875432234, −5.72377583140326229317873768971, −5.63688792482180903277787507903, −5.24208560702033184641257073411, −5.23860739767220038446927803754, −4.63177102056873403481277271958, −4.58871052608067503367866511407, −4.23524928762237560044066381937, −4.06571804842304884912483226843, −3.38330758534954897823108681622, −3.03076502324193322716916496028, −2.92012683967461966255106766222, −2.72231303935733839428552139249, −2.52909892528752814293594857122, −2.31246311293130482964913751944, −2.17321762946528768849451510680, −1.47622606909111370400746695295, −1.33749376944039342095287133960, −1.27775670246214999211020276102, 1.27775670246214999211020276102, 1.33749376944039342095287133960, 1.47622606909111370400746695295, 2.17321762946528768849451510680, 2.31246311293130482964913751944, 2.52909892528752814293594857122, 2.72231303935733839428552139249, 2.92012683967461966255106766222, 3.03076502324193322716916496028, 3.38330758534954897823108681622, 4.06571804842304884912483226843, 4.23524928762237560044066381937, 4.58871052608067503367866511407, 4.63177102056873403481277271958, 5.23860739767220038446927803754, 5.24208560702033184641257073411, 5.63688792482180903277787507903, 5.72377583140326229317873768971, 5.75206331008691630025875432234, 5.85071292438049271412489111453, 6.28634862325814414317861584422, 6.48349043539424484280093575736, 6.62136047080126541631488667744, 6.68223063811269235170266728578, 6.81107651978977083227175357615

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