Properties

Label 8-40e8-1.1-c0e4-0-2
Degree $8$
Conductor $6.554\times 10^{12}$
Sign $1$
Analytic cond. $0.406544$
Root an. cond. $0.893590$
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  + 4·19-s − 4·41-s + 8·59-s + 81-s + 2·121-s + 127-s + 131-s + 137-s + 139-s + 149-s + 151-s + 157-s + 163-s + 167-s + 173-s + 179-s + 181-s + 191-s + 193-s + 197-s + 199-s + 211-s + 223-s + 227-s + 229-s + 233-s + 239-s + ⋯
L(s)  = 1  + 4·19-s − 4·41-s + 8·59-s + 81-s + 2·121-s + 127-s + 131-s + 137-s + 139-s + 149-s + 151-s + 157-s + 163-s + 167-s + 173-s + 179-s + 181-s + 191-s + 193-s + 197-s + 199-s + 211-s + 223-s + 227-s + 229-s + 233-s + 239-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{24} \cdot 5^{8}\right)^{s/2} \, \Gamma_{\C}(s)^{4} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{24} \cdot 5^{8}\right)^{s/2} \, \Gamma_{\C}(s)^{4} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]

Invariants

Degree: \(8\)
Conductor: \(2^{24} \cdot 5^{8}\)
Sign: $1$
Analytic conductor: \(0.406544\)
Root analytic conductor: \(0.893590\)
Motivic weight: \(0\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((8,\ 2^{24} \cdot 5^{8} ,\ ( \ : 0, 0, 0, 0 ),\ 1 )\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(1.445783740\)
\(L(\frac12)\) \(\approx\) \(1.445783740\)
\(L(1)\) 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 \( 1 \)
5 \( 1 \)
good3$C_2^3$ \( 1 - T^{4} + T^{8} \)
7$C_2^2$ \( ( 1 + T^{4} )^{2} \)
11$C_2^2$ \( ( 1 - T^{2} + T^{4} )^{2} \)
13$C_2^2$ \( ( 1 + T^{4} )^{2} \)
17$C_2^3$ \( 1 - T^{4} + T^{8} \)
19$C_2$ \( ( 1 - T + T^{2} )^{4} \)
23$C_2^2$ \( ( 1 + T^{4} )^{2} \)
29$C_2$ \( ( 1 + T^{2} )^{4} \)
31$C_2$ \( ( 1 + T^{2} )^{4} \)
37$C_2^2$ \( ( 1 + T^{4} )^{2} \)
41$C_2$ \( ( 1 + T + T^{2} )^{4} \)
43$C_2^2$ \( ( 1 + T^{4} )^{2} \)
47$C_2^2$ \( ( 1 + T^{4} )^{2} \)
53$C_2^2$ \( ( 1 + T^{4} )^{2} \)
59$C_1$ \( ( 1 - T )^{8} \)
61$C_1$$\times$$C_1$ \( ( 1 - T )^{4}( 1 + T )^{4} \)
67$C_2^3$ \( 1 - T^{4} + T^{8} \)
71$C_2$ \( ( 1 + T^{2} )^{4} \)
73$C_2^3$ \( 1 - T^{4} + T^{8} \)
79$C_1$$\times$$C_1$ \( ( 1 - T )^{4}( 1 + T )^{4} \)
83$C_2^3$ \( 1 - T^{4} + T^{8} \)
89$C_2^2$ \( ( 1 - T^{2} + T^{4} )^{2} \)
97$C_2^2$ \( ( 1 + T^{4} )^{2} \)
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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

−7.06903753432400722442128225464, −6.83801105213854819093665737452, −6.45554086269102033428833572921, −6.35404777405152463038642474250, −6.11209615441944494090003650544, −5.56915779428869497575206393200, −5.53665741941759679655218287337, −5.40027115487692109183849460081, −5.27901150502888483240493463928, −4.93844714229888410008396902722, −4.92850778866561085010260028843, −4.69228268137439700874254290352, −4.05209147082459860534063871823, −3.86688181758069073815050991044, −3.76692036608279088586439958730, −3.61498629578203627218172465436, −3.20947049209898691190974869480, −3.04929714164307614392700433941, −2.92308736652548572316341251537, −2.30682283046669900738831971345, −2.09494165064015195096684179690, −2.07842646331374109940518643082, −1.24259511963366857286333118685, −1.17002212834116417923128429689, −0.854792395949630825824052265300, 0.854792395949630825824052265300, 1.17002212834116417923128429689, 1.24259511963366857286333118685, 2.07842646331374109940518643082, 2.09494165064015195096684179690, 2.30682283046669900738831971345, 2.92308736652548572316341251537, 3.04929714164307614392700433941, 3.20947049209898691190974869480, 3.61498629578203627218172465436, 3.76692036608279088586439958730, 3.86688181758069073815050991044, 4.05209147082459860534063871823, 4.69228268137439700874254290352, 4.92850778866561085010260028843, 4.93844714229888410008396902722, 5.27901150502888483240493463928, 5.40027115487692109183849460081, 5.53665741941759679655218287337, 5.56915779428869497575206393200, 6.11209615441944494090003650544, 6.35404777405152463038642474250, 6.45554086269102033428833572921, 6.83801105213854819093665737452, 7.06903753432400722442128225464

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