Properties

Label 8-3380e4-1.1-c0e4-0-4
Degree $8$
Conductor $1.305\times 10^{14}$
Sign $1$
Analytic cond. $8.09646$
Root an. cond. $1.29878$
Motivic weight $0$
Arithmetic yes
Rational yes
Primitive no
Self-dual yes
Analytic rank $0$

Origins

Origins of factors

Downloads

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Normalization:  

Dirichlet series

L(s)  = 1  + 2·2-s + 4-s − 2·8-s − 4·16-s − 2·17-s − 2·25-s − 2·32-s − 4·34-s + 2·41-s + 2·49-s − 4·50-s − 4·53-s + 3·64-s − 2·68-s + 8·73-s + 81-s + 4·82-s − 2·89-s + 4·98-s − 2·100-s − 8·106-s − 4·109-s − 2·113-s + 127-s + 6·128-s + 131-s + 4·136-s + ⋯
L(s)  = 1  + 2·2-s + 4-s − 2·8-s − 4·16-s − 2·17-s − 2·25-s − 2·32-s − 4·34-s + 2·41-s + 2·49-s − 4·50-s − 4·53-s + 3·64-s − 2·68-s + 8·73-s + 81-s + 4·82-s − 2·89-s + 4·98-s − 2·100-s − 8·106-s − 4·109-s − 2·113-s + 127-s + 6·128-s + 131-s + 4·136-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{8} \cdot 5^{4} \cdot 13^{8}\right)^{s/2} \, \Gamma_{\C}(s)^{4} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{8} \cdot 5^{4} \cdot 13^{8}\right)^{s/2} \, \Gamma_{\C}(s)^{4} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]

Invariants

Degree: \(8\)
Conductor: \(2^{8} \cdot 5^{4} \cdot 13^{8}\)
Sign: $1$
Analytic conductor: \(8.09646\)
Root analytic conductor: \(1.29878\)
Motivic weight: \(0\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((8,\ 2^{8} \cdot 5^{4} \cdot 13^{8} ,\ ( \ : 0, 0, 0, 0 ),\ 1 )\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(1.115337422\)
\(L(\frac12)\) \(\approx\) \(1.115337422\)
\(L(1)\) 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$C_2$ \( ( 1 - T + T^{2} )^{2} \)
5$C_2$ \( ( 1 + T^{2} )^{2} \)
13 \( 1 \)
good3$C_2^3$ \( 1 - T^{4} + T^{8} \)
7$C_2^2$ \( ( 1 - T^{2} + T^{4} )^{2} \)
11$C_2^3$ \( 1 - T^{4} + T^{8} \)
17$C_2$$\times$$C_2^2$ \( ( 1 + T + T^{2} )^{2}( 1 - T^{2} + T^{4} ) \)
19$C_2^3$ \( 1 - T^{4} + T^{8} \)
23$C_2^3$ \( 1 - T^{4} + T^{8} \)
29$C_2^2$ \( ( 1 - T^{2} + T^{4} )^{2} \)
31$C_2^2$ \( ( 1 + T^{4} )^{2} \)
37$C_2$ \( ( 1 - T + T^{2} )^{2}( 1 + T + T^{2} )^{2} \)
41$C_2$$\times$$C_2^2$ \( ( 1 - T + T^{2} )^{2}( 1 - T^{2} + T^{4} ) \)
43$C_2^3$ \( 1 - T^{4} + T^{8} \)
47$C_2$ \( ( 1 + T^{2} )^{4} \)
53$C_1$$\times$$C_2$ \( ( 1 + T )^{4}( 1 + T^{2} )^{2} \)
59$C_2^3$ \( 1 - T^{4} + T^{8} \)
61$C_2^2$ \( ( 1 - T^{2} + T^{4} )^{2} \)
67$C_2$ \( ( 1 - T + T^{2} )^{2}( 1 + T + T^{2} )^{2} \)
71$C_2^3$ \( 1 - T^{4} + T^{8} \)
73$C_1$ \( ( 1 - T )^{8} \)
79$C_2$ \( ( 1 + T^{2} )^{4} \)
83$C_2$ \( ( 1 + T^{2} )^{4} \)
89$C_2$$\times$$C_2^2$ \( ( 1 + T + T^{2} )^{2}( 1 - T^{2} + T^{4} ) \)
97$C_2^2$ \( ( 1 - T^{2} + T^{4} )^{2} \)
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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

−6.34931580255574048438690434634, −5.97372076347942185013964865995, −5.68666570645545174058129276191, −5.67939522713324945223301378914, −5.44411905485050849290809274163, −5.24140684206007353563197871498, −5.11440477357892227645320796297, −4.77104393838241323508717218622, −4.67691856139776429122333797382, −4.39586771977096194103928462528, −4.38318603458139826501057660307, −3.93784913287952908489270666964, −3.78262751867943467685731744735, −3.76152245648796587201277002168, −3.70595580251289722373937455033, −3.18120935847587697248391310592, −3.06648288154134137780759846972, −2.59443694387777481537868367253, −2.49133744452317316098971669744, −2.28660932248226151983401421777, −2.19532996977282008249044541779, −1.83513453977715591891449684627, −1.25710205655001143156951588166, −1.01094307114730463950130236101, −0.29449155349676381710278900268, 0.29449155349676381710278900268, 1.01094307114730463950130236101, 1.25710205655001143156951588166, 1.83513453977715591891449684627, 2.19532996977282008249044541779, 2.28660932248226151983401421777, 2.49133744452317316098971669744, 2.59443694387777481537868367253, 3.06648288154134137780759846972, 3.18120935847587697248391310592, 3.70595580251289722373937455033, 3.76152245648796587201277002168, 3.78262751867943467685731744735, 3.93784913287952908489270666964, 4.38318603458139826501057660307, 4.39586771977096194103928462528, 4.67691856139776429122333797382, 4.77104393838241323508717218622, 5.11440477357892227645320796297, 5.24140684206007353563197871498, 5.44411905485050849290809274163, 5.67939522713324945223301378914, 5.68666570645545174058129276191, 5.97372076347942185013964865995, 6.34931580255574048438690434634

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