Properties

Label 8-1944e4-1.1-c0e4-0-1
Degree $8$
Conductor $1.428\times 10^{13}$
Sign $1$
Analytic cond. $0.885958$
Root an. cond. $0.984978$
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  + 4·7-s − 16-s − 4·31-s + 6·49-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 + 6·49-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

\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{12} \cdot 3^{20}\right)^{s/2} \, \Gamma_{\C}(s)^{4} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{12} \cdot 3^{20}\right)^{s/2} \, \Gamma_{\C}(s)^{4} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]

Invariants

Degree: \(8\)
Conductor: \(2^{12} \cdot 3^{20}\)
Sign: $1$
Analytic conductor: \(0.885958\)
Root analytic conductor: \(0.984978\)
Motivic weight: \(0\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((8,\ 2^{12} \cdot 3^{20} ,\ ( \ : 0, 0, 0, 0 ),\ 1 )\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(2.092336267\)
\(L(\frac12)\) \(\approx\) \(2.092336267\)
\(L(1)\) 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$C_2^2$ \( 1 + T^{4} \)
3 \( 1 \)
good5$C_2^2$ \( ( 1 + T^{4} )^{2} \)
7$C_2$ \( ( 1 - T + T^{2} )^{4} \)
11$C_2$ \( ( 1 + T^{2} )^{4} \)
13$C_2^2$ \( ( 1 - T^{2} + T^{4} )^{2} \)
17$C_2^2$ \( ( 1 + T^{4} )^{2} \)
19$C_2^2$ \( ( 1 - T^{2} + T^{4} )^{2} \)
23$C_2^2$ \( ( 1 + T^{4} )^{2} \)
29$C_2$ \( ( 1 + T^{2} )^{4} \)
31$C_2$ \( ( 1 + T + T^{2} )^{4} \)
37$C_2^2$ \( ( 1 - T^{2} + T^{4} )^{2} \)
41$C_2^2$ \( ( 1 + T^{4} )^{2} \)
43$C_2^2$ \( ( 1 - T^{2} + T^{4} )^{2} \)
47$C_1$$\times$$C_1$ \( ( 1 - T )^{4}( 1 + T )^{4} \)
53$C_2$ \( ( 1 + T^{2} )^{4} \)
59$C_2^2$ \( ( 1 + T^{4} )^{2} \)
61$C_1$$\times$$C_1$ \( ( 1 - T )^{4}( 1 + T )^{4} \)
67$C_1$$\times$$C_1$ \( ( 1 - T )^{4}( 1 + T )^{4} \)
71$C_1$$\times$$C_1$ \( ( 1 - T )^{4}( 1 + T )^{4} \)
73$C_2$ \( ( 1 + T^{2} )^{4} \)
79$C_2$ \( ( 1 - T + T^{2} )^{4} \)
83$C_2^2$ \( ( 1 + T^{4} )^{2} \)
89$C_2^2$ \( ( 1 + T^{4} )^{2} \)
97$C_2$ \( ( 1 - T + T^{2} )^{4} \)
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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

−6.72715719898056972431047264189, −6.66295405610610940077042814572, −6.31533481245987775461089904822, −6.07737540406506055558584639307, −5.69870925495695370086835407673, −5.55883319347678730542009997196, −5.50878672213563103491044415998, −5.11069575605308624946143039482, −4.94437388266083209238158860047, −4.88193245207303930816239053249, −4.70749714626511209537759667430, −4.54929799002007938829681284848, −4.07929457943493870407039745471, −4.05726779644681044988906897009, −3.73399661856818561901693396929, −3.38879317227613203082748904615, −3.31805948659218553400063318145, −2.92998011807298066742639966130, −2.25826607525284778639689372752, −2.19604389965158858972674501915, −2.02049087937541360844441506960, −1.88093645591966394024054027820, −1.52703396807628706455572392143, −1.30176333535926952156344348775, −0.74133253750177856940002867049, 0.74133253750177856940002867049, 1.30176333535926952156344348775, 1.52703396807628706455572392143, 1.88093645591966394024054027820, 2.02049087937541360844441506960, 2.19604389965158858972674501915, 2.25826607525284778639689372752, 2.92998011807298066742639966130, 3.31805948659218553400063318145, 3.38879317227613203082748904615, 3.73399661856818561901693396929, 4.05726779644681044988906897009, 4.07929457943493870407039745471, 4.54929799002007938829681284848, 4.70749714626511209537759667430, 4.88193245207303930816239053249, 4.94437388266083209238158860047, 5.11069575605308624946143039482, 5.50878672213563103491044415998, 5.55883319347678730542009997196, 5.69870925495695370086835407673, 6.07737540406506055558584639307, 6.31533481245987775461089904822, 6.66295405610610940077042814572, 6.72715719898056972431047264189

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