Properties

Label 8-1805e4-1.1-c0e4-0-0
Degree $8$
Conductor $1.061\times 10^{13}$
Sign $1$
Analytic cond. $0.658472$
Root an. cond. $0.949111$
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  + 2·5-s + 16-s + 25-s + 4·49-s + 2·80-s + 81-s − 4·121-s − 2·125-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 + ⋯
L(s)  = 1  + 2·5-s + 16-s + 25-s + 4·49-s + 2·80-s + 81-s − 4·121-s − 2·125-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 + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut &\left(5^{4} \cdot 19^{8}\right)^{s/2} \, \Gamma_{\C}(s)^{4} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut &\left(5^{4} \cdot 19^{8}\right)^{s/2} \, \Gamma_{\C}(s)^{4} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]

Invariants

Degree: \(8\)
Conductor: \(5^{4} \cdot 19^{8}\)
Sign: $1$
Analytic conductor: \(0.658472\)
Root analytic conductor: \(0.949111\)
Motivic weight: \(0\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((8,\ 5^{4} \cdot 19^{8} ,\ ( \ : 0, 0, 0, 0 ),\ 1 )\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(2.116807416\)
\(L(\frac12)\) \(\approx\) \(2.116807416\)
\(L(1)\) 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)$
bad5$C_2$ \( ( 1 - T + T^{2} )^{2} \)
19 \( 1 \)
good2$C_2^3$ \( 1 - T^{4} + T^{8} \)
3$C_2^3$ \( 1 - T^{4} + T^{8} \)
7$C_1$$\times$$C_1$ \( ( 1 - T )^{4}( 1 + T )^{4} \)
11$C_2$ \( ( 1 + T^{2} )^{4} \)
13$C_2^3$ \( 1 - T^{4} + T^{8} \)
17$C_2$ \( ( 1 - T + T^{2} )^{2}( 1 + T + T^{2} )^{2} \)
23$C_2$ \( ( 1 - T + T^{2} )^{2}( 1 + T + T^{2} )^{2} \)
29$C_2$ \( ( 1 - T + T^{2} )^{2}( 1 + T + T^{2} )^{2} \)
31$C_1$$\times$$C_1$ \( ( 1 - T )^{4}( 1 + T )^{4} \)
37$C_2^2$ \( ( 1 + T^{4} )^{2} \)
41$C_2$ \( ( 1 - T + T^{2} )^{2}( 1 + T + T^{2} )^{2} \)
43$C_2$ \( ( 1 - T + T^{2} )^{2}( 1 + T + T^{2} )^{2} \)
47$C_2$ \( ( 1 - T + T^{2} )^{2}( 1 + T + T^{2} )^{2} \)
53$C_2^3$ \( 1 - T^{4} + T^{8} \)
59$C_2$ \( ( 1 - T + T^{2} )^{2}( 1 + T + T^{2} )^{2} \)
61$C_2^2$ \( ( 1 - T^{2} + T^{4} )^{2} \)
67$C_2^3$ \( 1 - T^{4} + T^{8} \)
71$C_2$ \( ( 1 - T + T^{2} )^{2}( 1 + T + T^{2} )^{2} \)
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_1$$\times$$C_1$ \( ( 1 - T )^{4}( 1 + T )^{4} \)
89$C_2$ \( ( 1 - T + T^{2} )^{2}( 1 + T + T^{2} )^{2} \)
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

−6.60050261349348357503519818599, −6.47797483720530103212368802050, −6.35407169275257244044472555794, −6.27074304660760730083286023088, −5.88723929792624444368846182843, −5.67072015497040851801477986229, −5.64480108074740047496686458861, −5.29154974167629111075630208200, −5.21121631345087000205805225512, −5.01897227222610891168895507691, −4.84828246078730541483681781557, −4.22469595122607518637532847040, −4.17086223661143964395487298353, −3.90595830391495515150895757561, −3.85777897993267101066853400577, −3.45198489762486305294732973571, −3.16841933016485343133666583323, −2.70744949697791368295009133013, −2.61579897272073265621530696101, −2.45602797975260126361993665697, −2.11150429836783181531835637608, −1.86904023238677044896944476337, −1.34575692393145751466489546728, −1.31679355163291657121485635824, −0.822938222305756065845047345046, 0.822938222305756065845047345046, 1.31679355163291657121485635824, 1.34575692393145751466489546728, 1.86904023238677044896944476337, 2.11150429836783181531835637608, 2.45602797975260126361993665697, 2.61579897272073265621530696101, 2.70744949697791368295009133013, 3.16841933016485343133666583323, 3.45198489762486305294732973571, 3.85777897993267101066853400577, 3.90595830391495515150895757561, 4.17086223661143964395487298353, 4.22469595122607518637532847040, 4.84828246078730541483681781557, 5.01897227222610891168895507691, 5.21121631345087000205805225512, 5.29154974167629111075630208200, 5.64480108074740047496686458861, 5.67072015497040851801477986229, 5.88723929792624444368846182843, 6.27074304660760730083286023088, 6.35407169275257244044472555794, 6.47797483720530103212368802050, 6.60050261349348357503519818599

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