Properties

Label 8-1620e4-1.1-c0e4-0-0
Degree $8$
Conductor $6.887\times 10^{12}$
Sign $1$
Analytic cond. $0.427256$
Root an. cond. $0.899158$
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 − 6·13-s + 25-s + 2·49-s − 6·52-s − 2·61-s − 64-s + 100-s − 4·109-s − 2·121-s + 127-s + 131-s + 137-s + 139-s + 149-s + 151-s + 157-s + 163-s + 167-s + 19·169-s + 173-s + 179-s + 181-s + 191-s + 193-s + 2·196-s + 197-s + ⋯
L(s)  = 1  + 4-s − 6·13-s + 25-s + 2·49-s − 6·52-s − 2·61-s − 64-s + 100-s − 4·109-s − 2·121-s + 127-s + 131-s + 137-s + 139-s + 149-s + 151-s + 157-s + 163-s + 167-s + 19·169-s + 173-s + 179-s + 181-s + 191-s + 193-s + 2·196-s + 197-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{8} \cdot 3^{16} \cdot 5^{4}\right)^{s/2} \, \Gamma_{\C}(s)^{4} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{8} \cdot 3^{16} \cdot 5^{4}\right)^{s/2} \, \Gamma_{\C}(s)^{4} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]

Invariants

Degree: \(8\)
Conductor: \(2^{8} \cdot 3^{16} \cdot 5^{4}\)
Sign: $1$
Analytic conductor: \(0.427256\)
Root analytic conductor: \(0.899158\)
Motivic weight: \(0\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((8,\ 2^{8} \cdot 3^{16} \cdot 5^{4} ,\ ( \ : 0, 0, 0, 0 ),\ 1 )\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(0.4495315498\)
\(L(\frac12)\) \(\approx\) \(0.4495315498\)
\(L(1)\) 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 \( 1 \)
5$C_2^2$ \( 1 - T^{2} + T^{4} \)
good7$C_2^2$ \( ( 1 - T^{2} + T^{4} )^{2} \)
11$C_2$ \( ( 1 - T + T^{2} )^{2}( 1 + T + T^{2} )^{2} \)
13$C_1$$\times$$C_2$ \( ( 1 + T )^{4}( 1 + T + T^{2} )^{2} \)
17$C_2^2$ \( ( 1 - T^{2} + T^{4} )^{2} \)
19$C_1$$\times$$C_1$ \( ( 1 - T )^{4}( 1 + T )^{4} \)
23$C_2^2$ \( ( 1 - T^{2} + T^{4} )^{2} \)
29$C_2$$\times$$C_2^2$ \( ( 1 + T^{2} )^{2}( 1 - T^{2} + T^{4} ) \)
31$C_2$ \( ( 1 - T + T^{2} )^{2}( 1 + T + T^{2} )^{2} \)
37$C_2$ \( ( 1 - T + T^{2} )^{2}( 1 + T + T^{2} )^{2} \)
41$C_2^2$ \( ( 1 - T^{2} + T^{4} )^{2} \)
43$C_2^2$ \( ( 1 - T^{2} + T^{4} )^{2} \)
47$C_2^2$ \( ( 1 - T^{2} + T^{4} )^{2} \)
53$C_2$ \( ( 1 + T^{2} )^{4} \)
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$C_2^2$ \( ( 1 - T^{2} + T^{4} )^{2} \)
71$C_1$$\times$$C_1$ \( ( 1 - T )^{4}( 1 + T )^{4} \)
73$C_2$ \( ( 1 - T + T^{2} )^{2}( 1 + T + T^{2} )^{2} \)
79$C_2$ \( ( 1 - T + T^{2} )^{2}( 1 + T + T^{2} )^{2} \)
83$C_2^2$ \( ( 1 - T^{2} + T^{4} )^{2} \)
89$C_2^2$ \( ( 1 - T^{2} + T^{4} )^{2} \)
97$C_2$ \( ( 1 - T + T^{2} )^{2}( 1 + T + T^{2} )^{2} \)
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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

−7.12821107160183185585893551568, −6.71960862007963364035735181838, −6.57532934662455015950951018342, −6.49725292776363356088912522476, −5.97924060921549831247525692325, −5.71290930797732832286846249316, −5.64464347314300908626297058920, −5.37077426520007940626515036357, −5.09482030385721969592910086986, −4.92498080651624038295448019293, −4.65344081520144472969315772992, −4.62597409388878188053652233171, −4.48801351537193899049276887311, −4.05065653436278199447280501935, −3.83415364223933840631437076019, −3.29767632926102987660041848069, −3.18975803668041914658563951657, −2.72277560087324283984708393983, −2.64503752200081219583980833089, −2.43109394178940768097480918369, −2.27115224643207488907508161310, −2.19635934830532508241228443941, −1.47878946688837208851053819259, −1.33298622868522307760368747257, −0.34606435829644916010261749344, 0.34606435829644916010261749344, 1.33298622868522307760368747257, 1.47878946688837208851053819259, 2.19635934830532508241228443941, 2.27115224643207488907508161310, 2.43109394178940768097480918369, 2.64503752200081219583980833089, 2.72277560087324283984708393983, 3.18975803668041914658563951657, 3.29767632926102987660041848069, 3.83415364223933840631437076019, 4.05065653436278199447280501935, 4.48801351537193899049276887311, 4.62597409388878188053652233171, 4.65344081520144472969315772992, 4.92498080651624038295448019293, 5.09482030385721969592910086986, 5.37077426520007940626515036357, 5.64464347314300908626297058920, 5.71290930797732832286846249316, 5.97924060921549831247525692325, 6.49725292776363356088912522476, 6.57532934662455015950951018342, 6.71960862007963364035735181838, 7.12821107160183185585893551568

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