Properties

Label 8-1620e4-1.1-c0e4-0-6
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

Downloads

Learn more

Normalization:  

Dirichlet series

L(s)  = 1  + 2·7-s + 2·11-s − 4·17-s + 2·23-s + 25-s − 2·31-s + 2·41-s + 2·49-s + 4·53-s + 2·67-s + 4·71-s + 4·73-s + 4·77-s − 2·101-s − 2·103-s − 4·107-s − 2·113-s − 8·119-s + 3·121-s + 127-s + 131-s + 137-s + 139-s + 149-s + 151-s + 157-s + 4·161-s + ⋯
L(s)  = 1  + 2·7-s + 2·11-s − 4·17-s + 2·23-s + 25-s − 2·31-s + 2·41-s + 2·49-s + 4·53-s + 2·67-s + 4·71-s + 4·73-s + 4·77-s − 2·101-s − 2·103-s − 4·107-s − 2·113-s − 8·119-s + 3·121-s + 127-s + 131-s + 137-s + 139-s + 149-s + 151-s + 157-s + 4·161-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

\(L(\frac{1}{2})\) \(\approx\) \(1.875142269\)
\(L(\frac12)\) \(\approx\) \(1.875142269\)
\(L(1)\) 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 \( 1 \)
5$C_2^2$ \( 1 - T^{2} + T^{4} \)
good7$C_2$$\times$$C_2^2$ \( ( 1 - T + T^{2} )^{2}( 1 - T^{2} + T^{4} ) \)
11$C_1$$\times$$C_2$ \( ( 1 - T )^{4}( 1 + T + T^{2} )^{2} \)
13$C_2^3$ \( 1 - T^{4} + T^{8} \)
17$C_1$$\times$$C_2$ \( ( 1 + T )^{4}( 1 + T^{2} )^{2} \)
19$C_2^2$ \( ( 1 - T^{2} + T^{4} )^{2} \)
23$C_2$$\times$$C_2^2$ \( ( 1 - T + T^{2} )^{2}( 1 - T^{2} + T^{4} ) \)
29$C_2$$\times$$C_2^2$ \( ( 1 + T^{2} )^{2}( 1 - T^{2} + T^{4} ) \)
31$C_1$$\times$$C_2$ \( ( 1 + T )^{4}( 1 - T + T^{2} )^{2} \)
37$C_2^2$ \( ( 1 + T^{4} )^{2} \)
41$C_1$$\times$$C_2$ \( ( 1 - T )^{4}( 1 + T + T^{2} )^{2} \)
43$C_2^3$ \( 1 - T^{4} + T^{8} \)
47$C_2^3$ \( 1 - T^{4} + T^{8} \)
53$C_1$$\times$$C_2$ \( ( 1 - T )^{4}( 1 + T^{2} )^{2} \)
59$C_2$$\times$$C_2^2$ \( ( 1 + T^{2} )^{2}( 1 - T^{2} + T^{4} ) \)
61$C_2^2$ \( ( 1 - T^{2} + T^{4} )^{2} \)
67$C_2$$\times$$C_2^2$ \( ( 1 - T + T^{2} )^{2}( 1 - T^{2} + T^{4} ) \)
71$C_2$ \( ( 1 - T + T^{2} )^{4} \)
73$C_1$$\times$$C_2$ \( ( 1 - T )^{4}( 1 + T^{2} )^{2} \)
79$C_2$ \( ( 1 - T + T^{2} )^{2}( 1 + T + T^{2} )^{2} \)
83$C_2^3$ \( 1 - T^{4} + T^{8} \)
89$C_2^2$ \( ( 1 - T^{2} + T^{4} )^{2} \)
97$C_2^3$ \( 1 - T^{4} + T^{8} \)
show more
show less
   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{8} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−6.91757879496640183242624868892, −6.58839572943138311146875250768, −6.56114341550822524922673303922, −6.53419131199815486750866616118, −6.21749444399808995199126167357, −5.68634658767595129188056492002, −5.44038563481239592667121936743, −5.33612847460532026130606893651, −5.16245144681585178975938557281, −5.01201311290288263849517816199, −4.67501408808301547431104228098, −4.50670400782096265321526619677, −4.25095611198084798298916075074, −3.94237527514091366412939739054, −3.74351710674456036782814021658, −3.71159123079632548022904529547, −3.66200726305806221279222612118, −2.63982610821641598504701724611, −2.50649060940919929237898850424, −2.47011711810938042525988587645, −2.21253849749439331465534944653, −1.98630893470552478282824095994, −1.33007660637035564411500531200, −1.15008247787606334460081597165, −0.965515409643568353301506364935, 0.965515409643568353301506364935, 1.15008247787606334460081597165, 1.33007660637035564411500531200, 1.98630893470552478282824095994, 2.21253849749439331465534944653, 2.47011711810938042525988587645, 2.50649060940919929237898850424, 2.63982610821641598504701724611, 3.66200726305806221279222612118, 3.71159123079632548022904529547, 3.74351710674456036782814021658, 3.94237527514091366412939739054, 4.25095611198084798298916075074, 4.50670400782096265321526619677, 4.67501408808301547431104228098, 5.01201311290288263849517816199, 5.16245144681585178975938557281, 5.33612847460532026130606893651, 5.44038563481239592667121936743, 5.68634658767595129188056492002, 6.21749444399808995199126167357, 6.53419131199815486750866616118, 6.56114341550822524922673303922, 6.58839572943138311146875250768, 6.91757879496640183242624868892

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