Properties

Label 8-13e8-1.1-c2e4-0-3
Degree $8$
Conductor $815730721$
Sign $1$
Analytic cond. $449.662$
Root an. cond. $2.14590$
Motivic weight $2$
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  − 12·3-s + 54·9-s + 23·16-s − 168·29-s − 276·48-s − 96·53-s + 120·61-s + 216·79-s − 1.21e3·81-s + 2.01e3·87-s + 456·107-s − 504·113-s + 127-s + 131-s + 137-s + 139-s + 1.24e3·144-s + 149-s + 151-s + 157-s + 1.15e3·159-s + 163-s + 167-s + 173-s + 179-s + 181-s − 1.44e3·183-s + ⋯
L(s)  = 1  − 4·3-s + 6·9-s + 1.43·16-s − 5.79·29-s − 5.75·48-s − 1.81·53-s + 1.96·61-s + 2.73·79-s − 15·81-s + 23.1·87-s + 4.26·107-s − 4.46·113-s + 0.00787·127-s + 0.00763·131-s + 0.00729·137-s + 0.00719·139-s + 69/8·144-s + 0.00671·149-s + 0.00662·151-s + 0.00636·157-s + 7.24·159-s + 0.00613·163-s + 0.00598·167-s + 0.00578·173-s + 0.00558·179-s + 0.00552·181-s − 7.86·183-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut &\left(13^{8}\right)^{s/2} \, \Gamma_{\C}(s)^{4} \, L(s)\cr=\mathstrut & \,\Lambda(3-s)\end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut &\left(13^{8}\right)^{s/2} \, \Gamma_{\C}(s+1)^{4} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]

Invariants

Degree: \(8\)
Conductor: \(13^{8}\)
Sign: $1$
Analytic conductor: \(449.662\)
Root analytic conductor: \(2.14590\)
Motivic weight: \(2\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((8,\ 13^{8} ,\ ( \ : 1, 1, 1, 1 ),\ 1 )\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.2541972445\)
\(L(\frac12)\) \(\approx\) \(0.2541972445\)
\(L(2)\) 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)$
bad13 \( 1 \)
good2$C_2^3$ \( 1 - 23 T^{4} + p^{8} T^{8} \)
3$C_2$ \( ( 1 + p T + p^{2} T^{2} )^{4} \)
5$C_2^3$ \( 1 + 271 T^{4} + p^{8} T^{8} \)
7$C_2^3$ \( 1 - 4801 T^{4} + p^{8} T^{8} \)
11$C_2^3$ \( 1 + 82 p^{2} T^{4} + p^{8} T^{8} \)
17$C_2^2$ \( ( 1 - 569 T^{2} + p^{4} T^{4} )^{2} \)
19$C_2^3$ \( 1 - 154366 T^{4} + p^{8} T^{8} \)
23$C_2^2$ \( ( 1 - 914 T^{2} + p^{4} T^{4} )^{2} \)
29$C_2$ \( ( 1 + 42 T + p^{2} T^{2} )^{4} \)
31$C_2^3$ \( 1 - 1732798 T^{4} + p^{8} T^{8} \)
37$C_2^3$ \( 1 - 3679153 T^{4} + p^{8} T^{8} \)
41$C_2^3$ \( 1 - 4197086 T^{4} + p^{8} T^{8} \)
43$C_2^2$ \( ( 1 - 1297 T^{2} + p^{4} T^{4} )^{2} \)
47$C_2^3$ \( 1 + 9662287 T^{4} + p^{8} T^{8} \)
53$C_2$ \( ( 1 + 24 T + p^{2} T^{2} )^{4} \)
59$C_2^3$ \( 1 - 7045406 T^{4} + p^{8} T^{8} \)
61$C_2$ \( ( 1 - 30 T + p^{2} T^{2} )^{4} \)
67$C_2^3$ \( 1 + 14368994 T^{4} + p^{8} T^{8} \)
71$C_2^3$ \( 1 + 40245487 T^{4} + p^{8} T^{8} \)
73$C_2^3$ \( 1 + 25540994 T^{4} + p^{8} T^{8} \)
79$C_2$ \( ( 1 - 54 T + p^{2} T^{2} )^{4} \)
83$C_2^3$ \( 1 + 40154242 T^{4} + p^{8} T^{8} \)
89$C_2^3$ \( 1 + 10424482 T^{4} + p^{8} T^{8} \)
97$C_2^3$ \( 1 + 162311522 T^{4} + p^{8} T^{8} \)
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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

−9.341850737456151998212655471552, −8.805857313211130631884419535493, −8.708148978305236828187232442431, −8.207055330665520210720896398354, −7.982852870821903329330192327278, −7.51891451909267780576667476718, −7.44521390189786916926397691729, −7.03095525451888981842280536482, −6.61332342840504900454469836819, −6.32901422867944884315413789571, −6.25983510352376037865786824071, −5.71759443496550371006168742915, −5.64795850130428998962826749704, −5.60616039871882773883519767843, −5.21341032749765676133468647104, −4.99055943274169024918634350643, −4.79416373267360741953969097080, −3.92066980835038460154751971117, −3.91218329087799270974986489570, −3.29982501017726773349076263126, −2.92801790437626255193970967463, −2.04687334041393337655454193340, −1.55623987076872935983950675627, −0.50687259975048986983650056356, −0.48741489902242836634800069835, 0.48741489902242836634800069835, 0.50687259975048986983650056356, 1.55623987076872935983950675627, 2.04687334041393337655454193340, 2.92801790437626255193970967463, 3.29982501017726773349076263126, 3.91218329087799270974986489570, 3.92066980835038460154751971117, 4.79416373267360741953969097080, 4.99055943274169024918634350643, 5.21341032749765676133468647104, 5.60616039871882773883519767843, 5.64795850130428998962826749704, 5.71759443496550371006168742915, 6.25983510352376037865786824071, 6.32901422867944884315413789571, 6.61332342840504900454469836819, 7.03095525451888981842280536482, 7.44521390189786916926397691729, 7.51891451909267780576667476718, 7.982852870821903329330192327278, 8.207055330665520210720896398354, 8.708148978305236828187232442431, 8.805857313211130631884419535493, 9.341850737456151998212655471552

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