Normalization:  

Dirichlet series

L(s)  = 1  + 2·5-s − 2·9-s − 2·13-s + 3·25-s − 2·29-s − 2·41-s − 4·45-s − 49-s − 2·61-s − 4·65-s + 3·81-s − 2·97-s + 2·101-s + 2·113-s + 4·117-s − 121-s + 6·125-s + ⋯
L(s)  = 1  + 2·5-s − 2·9-s − 2·13-s + 3·25-s − 2·29-s − 2·41-s − 4·45-s − 49-s − 2·61-s − 4·65-s + 3·81-s − 2·97-s + 2·101-s + 2·113-s + 4·117-s − 121-s + 6·125-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{20} \cdot 3^{8}\right)^{s/2} \, \Gamma_{\C}(s)^{4} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{20} \cdot 3^{8}\right)^{s/2} \, \Gamma_{\C}(s)^{4} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]

Invariants

Degree: \(8\)
Conductor: \(2^{20} \cdot 3^{8}\)
Sign: $1$
Analytic conductor: \(0.000426774\)
Root analytic conductor: \(0.379118\)
Motivic weight: \(0\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((8,\ 2^{20} \cdot 3^{8} ,\ ( \ : 0, 0, 0, 0 ),\ 1 )\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(0.3857062724\)
\(L(\frac12)\) \(\approx\) \(0.3857062724\)
\(L(1)\) 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 \( 1 \)
3$C_2$ \( ( 1 + T^{2} )^{2} \)
good5$C_1$$\times$$C_2$ \( ( 1 - T )^{4}( 1 + T + T^{2} )^{2} \)
7$C_2$$\times$$C_2^2$ \( ( 1 + T^{2} )^{2}( 1 - T^{2} + T^{4} ) \)
11$C_2$$\times$$C_2^2$ \( ( 1 + T^{2} )^{2}( 1 - T^{2} + T^{4} ) \)
13$C_1$$\times$$C_2$ \( ( 1 + T )^{4}( 1 - T + T^{2} )^{2} \)
17$C_2$ \( ( 1 + T^{2} )^{4} \)
19$C_1$$\times$$C_1$ \( ( 1 - T )^{4}( 1 + T )^{4} \)
23$C_2$$\times$$C_2^2$ \( ( 1 + T^{2} )^{2}( 1 - T^{2} + T^{4} ) \)
29$C_1$$\times$$C_2$ \( ( 1 + T )^{4}( 1 - T + T^{2} )^{2} \)
31$C_2$$\times$$C_2^2$ \( ( 1 + T^{2} )^{2}( 1 - T^{2} + T^{4} ) \)
37$C_2$ \( ( 1 + T^{2} )^{4} \)
41$C_1$$\times$$C_2$ \( ( 1 + T )^{4}( 1 - T + T^{2} )^{2} \)
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$C_2$ \( ( 1 + T^{2} )^{4} \)
59$C_2$$\times$$C_2^2$ \( ( 1 + T^{2} )^{2}( 1 - T^{2} + T^{4} ) \)
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$C_2$ \( ( 1 + T^{2} )^{4} \)
79$C_2$$\times$$C_2^2$ \( ( 1 + T^{2} )^{2}( 1 - T^{2} + T^{4} ) \)
83$C_2$$\times$$C_2^2$ \( ( 1 + T^{2} )^{2}( 1 - T^{2} + T^{4} ) \)
89$C_2$ \( ( 1 + T^{2} )^{4} \)
97$C_1$$\times$$C_2$ \( ( 1 + T )^{4}( 1 - T + T^{2} )^{2} \)
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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

−8.928798352936314543034115685053, −8.649405902211235628701397942728, −8.451192857155567513986596139287, −8.101475624121643854016792628220, −7.935011323989461731400087374067, −7.44841345575103734602400242998, −7.24802279991529912015663167216, −7.12433851161083276572159278385, −6.74677388518014076294327595665, −6.33936217767341830227216817971, −6.12897633470547152576738752297, −5.95266405778449499381373053264, −5.77152792467016302946751352864, −5.28586289209185361498722399010, −5.08644532893701287405730579469, −4.92680694316637013227842401028, −4.85547510927867857249367349822, −4.14404139882933801339493024789, −3.75521121491802393346092585118, −3.12918914925627571539520560095, −3.07175822990398496683217257444, −2.77031961470767503872629884662, −2.16205100118105999082960142639, −2.03612772589127396511352414390, −1.57218322916192363344311116267, 1.57218322916192363344311116267, 2.03612772589127396511352414390, 2.16205100118105999082960142639, 2.77031961470767503872629884662, 3.07175822990398496683217257444, 3.12918914925627571539520560095, 3.75521121491802393346092585118, 4.14404139882933801339493024789, 4.85547510927867857249367349822, 4.92680694316637013227842401028, 5.08644532893701287405730579469, 5.28586289209185361498722399010, 5.77152792467016302946751352864, 5.95266405778449499381373053264, 6.12897633470547152576738752297, 6.33936217767341830227216817971, 6.74677388518014076294327595665, 7.12433851161083276572159278385, 7.24802279991529912015663167216, 7.44841345575103734602400242998, 7.935011323989461731400087374067, 8.101475624121643854016792628220, 8.451192857155567513986596139287, 8.649405902211235628701397942728, 8.928798352936314543034115685053

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