Properties

Degree 8
Conductor $ 2^{4} \cdot 3^{8} \cdot 5^{8} \cdot 7^{4} $
Sign $1$
Motivic weight 1
Primitive no
Self-dual yes
Analytic rank 0

Origins

Origins of factors

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Normalization:  

Dirichlet series

L(s)  = 1  + 8·13-s − 16-s − 12·17-s − 8·23-s − 24·29-s − 24·31-s − 4·37-s − 20·43-s − 20·47-s + 8·53-s − 32·59-s + 32·61-s + 4·67-s + 24·73-s + 16·83-s − 8·89-s + 16·97-s − 8·103-s − 8·107-s − 16·113-s + 20·121-s + 127-s + 131-s + 137-s + 139-s + 149-s + 151-s + ⋯
L(s)  = 1  + 2.21·13-s − 1/4·16-s − 2.91·17-s − 1.66·23-s − 4.45·29-s − 4.31·31-s − 0.657·37-s − 3.04·43-s − 2.91·47-s + 1.09·53-s − 4.16·59-s + 4.09·61-s + 0.488·67-s + 2.80·73-s + 1.75·83-s − 0.847·89-s + 1.62·97-s − 0.788·103-s − 0.773·107-s − 1.50·113-s + 1.81·121-s + 0.0887·127-s + 0.0873·131-s + 0.0854·137-s + 0.0848·139-s + 0.0819·149-s + 0.0813·151-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{4} \cdot 3^{8} \cdot 5^{8} \cdot 7^{4}\right)^{s/2} \, \Gamma_{\C}(s)^{4} \, L(s)\cr=\mathstrut & \,\Lambda(2-s)\end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{4} \cdot 3^{8} \cdot 5^{8} \cdot 7^{4}\right)^{s/2} \, \Gamma_{\C}(s+1/2)^{4} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]

Invariants

\( d \)  =  \(8\)
\( N \)  =  \(2^{4} \cdot 3^{8} \cdot 5^{8} \cdot 7^{4}\)
\( \varepsilon \)  =  $1$
motivic weight  =  \(1\)
character  :  induced by $\chi_{3150} (1, \cdot )$
primitive  :  no
self-dual  :  yes
analytic rank  =  0
Selberg data  =  $(8,\ 2^{4} \cdot 3^{8} \cdot 5^{8} \cdot 7^{4} ,\ ( \ : 1/2, 1/2, 1/2, 1/2 ),\ 1 )$
$L(1)$  $\approx$  $0.2290423102$
$L(\frac12)$  $\approx$  $0.2290423102$
$L(\frac{3}{2})$   not available
$L(1)$   not available

Euler product

\[L(s) = \prod_{p \text{ prime}} F_p(p^{-s})^{-1} \]where, for $p \notin \{2,\;3,\;5,\;7\}$,\(F_p(T)\) is a polynomial of degree 8. If $p \in \{2,\;3,\;5,\;7\}$, then $F_p(T)$ is a polynomial of degree at most 7.
$p$$\Gal(F_p)$$F_p(T)$
bad2$C_2^2$ \( 1 + T^{4} \)
3 \( 1 \)
5 \( 1 \)
7$C_2^2$ \( 1 + T^{4} \)
good11$D_4\times C_2$ \( 1 - 20 T^{2} + 214 T^{4} - 20 p^{2} T^{6} + p^{4} T^{8} \)
13$D_4\times C_2$ \( 1 - 8 T + 32 T^{2} - 136 T^{3} + 562 T^{4} - 136 p T^{5} + 32 p^{2} T^{6} - 8 p^{3} T^{7} + p^{4} T^{8} \)
17$D_4\times C_2$ \( 1 + 12 T + 72 T^{2} + 372 T^{3} + 1726 T^{4} + 372 p T^{5} + 72 p^{2} T^{6} + 12 p^{3} T^{7} + p^{4} T^{8} \)
19$C_2^2$ \( ( 1 + 12 T^{2} + p^{2} T^{4} )^{2} \)
23$D_4\times C_2$ \( 1 + 8 T + 32 T^{2} + 120 T^{3} + 386 T^{4} + 120 p T^{5} + 32 p^{2} T^{6} + 8 p^{3} T^{7} + p^{4} T^{8} \)
29$D_{4}$ \( ( 1 + 12 T + 86 T^{2} + 12 p T^{3} + p^{2} T^{4} )^{2} \)
31$D_{4}$ \( ( 1 + 12 T + 90 T^{2} + 12 p T^{3} + p^{2} T^{4} )^{2} \)
37$D_4\times C_2$ \( 1 + 4 T + 8 T^{2} - 244 T^{3} - 2162 T^{4} - 244 p T^{5} + 8 p^{2} T^{6} + 4 p^{3} T^{7} + p^{4} T^{8} \)
41$D_4\times C_2$ \( 1 - 140 T^{2} + 8134 T^{4} - 140 p^{2} T^{6} + p^{4} T^{8} \)
43$D_4\times C_2$ \( 1 + 20 T + 200 T^{2} + 1780 T^{3} + 13726 T^{4} + 1780 p T^{5} + 200 p^{2} T^{6} + 20 p^{3} T^{7} + p^{4} T^{8} \)
47$D_4\times C_2$ \( 1 + 20 T + 200 T^{2} + 1860 T^{3} + 15182 T^{4} + 1860 p T^{5} + 200 p^{2} T^{6} + 20 p^{3} T^{7} + p^{4} T^{8} \)
53$D_4\times C_2$ \( 1 - 8 T + 32 T^{2} - 360 T^{3} + 3986 T^{4} - 360 p T^{5} + 32 p^{2} T^{6} - 8 p^{3} T^{7} + p^{4} T^{8} \)
59$C_2$ \( ( 1 + 8 T + p T^{2} )^{4} \)
61$D_{4}$ \( ( 1 - 16 T + 184 T^{2} - 16 p T^{3} + p^{2} T^{4} )^{2} \)
67$D_4\times C_2$ \( 1 - 4 T + 8 T^{2} - 260 T^{3} + 8446 T^{4} - 260 p T^{5} + 8 p^{2} T^{6} - 4 p^{3} T^{7} + p^{4} T^{8} \)
71$D_4\times C_2$ \( 1 - 120 T^{2} + 9074 T^{4} - 120 p^{2} T^{6} + p^{4} T^{8} \)
73$C_2^2$ \( ( 1 - 12 T + 72 T^{2} - 12 p T^{3} + p^{2} T^{4} )^{2} \)
79$D_4\times C_2$ \( 1 - 52 T^{2} + 11110 T^{4} - 52 p^{2} T^{6} + p^{4} T^{8} \)
83$D_4\times C_2$ \( 1 - 16 T + 128 T^{2} - 816 T^{3} + 4178 T^{4} - 816 p T^{5} + 128 p^{2} T^{6} - 16 p^{3} T^{7} + p^{4} T^{8} \)
89$D_{4}$ \( ( 1 + 4 T + 54 T^{2} + 4 p T^{3} + p^{2} T^{4} )^{2} \)
97$D_4\times C_2$ \( 1 - 16 T + 128 T^{2} - 1488 T^{3} + 17282 T^{4} - 1488 p T^{5} + 128 p^{2} T^{6} - 16 p^{3} T^{7} + p^{4} T^{8} \)
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\[\begin{aligned}L(s) = \prod_p \ \prod_{j=1}^{8} (1 - \alpha_{j,p}\, p^{-s})^{-1}\end{aligned}\]

Imaginary part of the first few zeros on the critical line

−6.23033658529723892148208032893, −6.02926774335826002564268288065, −5.73237217057801842970653216053, −5.55490016061135402921097099769, −5.19362360362796875150173218657, −5.18648576557117771075563492316, −5.05883130479400964215923984459, −4.85399360872522262035244460324, −4.54737160054187929776389584088, −3.96231241477006061428735349081, −3.92019096342043289128095081050, −3.84958626550992465447425315272, −3.69930049165607239535164115507, −3.55511434978685370896416655145, −3.52790090309716307278554287997, −2.96959824691094650585990790993, −2.69470080703496344550774034171, −2.15964778754494656710940988926, −2.02945982755519391596877403723, −1.92110788801603383279229507753, −1.77250929371305397557575413780, −1.59737673465717301244039763315, −1.19900010185303802796335760177, −0.25919783864245441109465030651, −0.16674120930113497476945888956, 0.16674120930113497476945888956, 0.25919783864245441109465030651, 1.19900010185303802796335760177, 1.59737673465717301244039763315, 1.77250929371305397557575413780, 1.92110788801603383279229507753, 2.02945982755519391596877403723, 2.15964778754494656710940988926, 2.69470080703496344550774034171, 2.96959824691094650585990790993, 3.52790090309716307278554287997, 3.55511434978685370896416655145, 3.69930049165607239535164115507, 3.84958626550992465447425315272, 3.92019096342043289128095081050, 3.96231241477006061428735349081, 4.54737160054187929776389584088, 4.85399360872522262035244460324, 5.05883130479400964215923984459, 5.18648576557117771075563492316, 5.19362360362796875150173218657, 5.55490016061135402921097099769, 5.73237217057801842970653216053, 6.02926774335826002564268288065, 6.23033658529723892148208032893

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