Properties

Label 8-1620e4-1.1-c0e4-0-7
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 − 2·25-s + 2·49-s + 6·52-s − 2·61-s − 64-s − 2·100-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 − 2·25-s + 2·49-s + 6·52-s − 2·61-s − 64-s − 2·100-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

\(L(\frac{1}{2})\) \(\approx\) \(2.270874079\)
\(L(\frac12)\) \(\approx\) \(2.270874079\)
\(L(1)\) 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$C_2$ \( ( 1 + T^{2} )^{2} \)
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

−6.87417665803887921583664907984, −6.47476685328454848412994025492, −6.30688976375522029569711531400, −6.22031393266451291824868806856, −6.13121024246363087341627813574, −6.08739896143301286395519270466, −5.65183261391244173302746590622, −5.53330195015241625009453675158, −5.43376046133416910566317264553, −4.84190186407333219080623164658, −4.82583962992809025588495286626, −4.27225547582750772383416098145, −4.02082850120711028131731895036, −3.88156644436308382415282703005, −3.80705727403318429549802322263, −3.65682689132238934106769251496, −3.39502238818422010992063958967, −2.99898421438659897999071535336, −2.63611711717537205240388623621, −2.59586186248190910979691187596, −2.06115072009436680961967416694, −1.64338055233249409097346739135, −1.44137647800351894646726898792, −1.32001599010555348249834510369, −0.984487932477870132049275227010, 0.984487932477870132049275227010, 1.32001599010555348249834510369, 1.44137647800351894646726898792, 1.64338055233249409097346739135, 2.06115072009436680961967416694, 2.59586186248190910979691187596, 2.63611711717537205240388623621, 2.99898421438659897999071535336, 3.39502238818422010992063958967, 3.65682689132238934106769251496, 3.80705727403318429549802322263, 3.88156644436308382415282703005, 4.02082850120711028131731895036, 4.27225547582750772383416098145, 4.82583962992809025588495286626, 4.84190186407333219080623164658, 5.43376046133416910566317264553, 5.53330195015241625009453675158, 5.65183261391244173302746590622, 6.08739896143301286395519270466, 6.13121024246363087341627813574, 6.22031393266451291824868806856, 6.30688976375522029569711531400, 6.47476685328454848412994025492, 6.87417665803887921583664907984

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