Properties

Label 8-15e8-1.1-c2e4-0-7
Degree $8$
Conductor $2562890625$
Sign $1$
Analytic cond. $1412.76$
Root an. cond. $2.47604$
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  − 32·16-s + 52·31-s + 188·61-s − 484·121-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 + 229-s + 233-s + 239-s + 241-s + ⋯
L(s)  = 1  − 2·16-s + 1.67·31-s + 3.08·61-s − 4·121-s + 0.00787·127-s + 0.00763·131-s + 0.00729·137-s + 0.00719·139-s + 0.00671·149-s + 0.00662·151-s + 0.00636·157-s + 0.00613·163-s + 0.00598·167-s + 0.00578·173-s + 0.00558·179-s + 0.00552·181-s + 0.00523·191-s + 0.00518·193-s + 0.00507·197-s + 0.00502·199-s + 0.00473·211-s + 0.00448·223-s + 0.00440·227-s + 0.00436·229-s + 0.00429·233-s + 0.00418·239-s + 0.00414·241-s + ⋯

Functional equation

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

Invariants

Degree: \(8\)
Conductor: \(3^{8} \cdot 5^{8}\)
Sign: $1$
Analytic conductor: \(1412.76\)
Root analytic conductor: \(2.47604\)
Motivic weight: \(2\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((8,\ 3^{8} \cdot 5^{8} ,\ ( \ : 1, 1, 1, 1 ),\ 1 )\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(1.666580744\)
\(L(\frac12)\) \(\approx\) \(1.666580744\)
\(L(2)\) 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)$
bad3 \( 1 \)
5 \( 1 \)
good2$C_2^2$ \( ( 1 + p^{4} T^{4} )^{2} \)
7$C_2^3$ \( 1 - 4273 T^{4} + p^{8} T^{8} \)
11$C_2$ \( ( 1 + p^{2} T^{2} )^{4} \)
13$C_2^3$ \( 1 + 56447 T^{4} + p^{8} T^{8} \)
17$C_2^2$ \( ( 1 + p^{4} T^{4} )^{2} \)
19$C_2^2$ \( ( 1 + 647 T^{2} + p^{4} T^{4} )^{2} \)
23$C_2^2$ \( ( 1 + p^{4} T^{4} )^{2} \)
29$C_1$$\times$$C_1$ \( ( 1 - p T )^{4}( 1 + p T )^{4} \)
31$C_2$ \( ( 1 - 13 T + p^{2} T^{2} )^{4} \)
37$C_2^3$ \( 1 + 503522 T^{4} + p^{8} T^{8} \)
41$C_2$ \( ( 1 + p^{2} T^{2} )^{4} \)
43$C_2^3$ \( 1 - 6837073 T^{4} + p^{8} T^{8} \)
47$C_2^2$ \( ( 1 + p^{4} T^{4} )^{2} \)
53$C_2^2$ \( ( 1 + p^{4} T^{4} )^{2} \)
59$C_1$$\times$$C_1$ \( ( 1 - p T )^{4}( 1 + p T )^{4} \)
61$C_2$ \( ( 1 - 47 T + p^{2} T^{2} )^{4} \)
67$C_2^3$ \( 1 - 31874833 T^{4} + p^{8} T^{8} \)
71$C_2$ \( ( 1 + p^{2} T^{2} )^{4} \)
73$C_2^3$ \( 1 + 16169282 T^{4} + p^{8} T^{8} \)
79$C_2^2$ \( ( 1 + 7682 T^{2} + p^{4} T^{4} )^{2} \)
83$C_2^2$ \( ( 1 + p^{4} T^{4} )^{2} \)
89$C_1$$\times$$C_1$ \( ( 1 - p T )^{4}( 1 + p T )^{4} \)
97$C_2^3$ \( 1 - 82132513 T^{4} + p^{8} T^{8} \)
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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

−8.879284116567907814526998344346, −8.337009814233681948363022096054, −8.142171385826094989718768809993, −8.121907735713472106111504316050, −7.62317130757821839450442928037, −7.32132949113411951999078432820, −7.07007966375889320715472572125, −6.78514664316896286720266661071, −6.54463281342431248781369248283, −6.33456026987217426011316657894, −6.12525509673938296103959745486, −5.58323240504541480017343384588, −5.22791570800650475067459139324, −5.15783637662782680491300358999, −4.71982615641361271262246974519, −4.36338157308747118081352390111, −4.18724580958307321321664442767, −3.69473738151865981957809564848, −3.53181649080284101719209177586, −2.73995763901192192210472662713, −2.57744017340251332822836556338, −2.33687282911949475481194264279, −1.68749466644631709000146762114, −1.09268844859616997300644226410, −0.38727563138447122473997950474, 0.38727563138447122473997950474, 1.09268844859616997300644226410, 1.68749466644631709000146762114, 2.33687282911949475481194264279, 2.57744017340251332822836556338, 2.73995763901192192210472662713, 3.53181649080284101719209177586, 3.69473738151865981957809564848, 4.18724580958307321321664442767, 4.36338157308747118081352390111, 4.71982615641361271262246974519, 5.15783637662782680491300358999, 5.22791570800650475067459139324, 5.58323240504541480017343384588, 6.12525509673938296103959745486, 6.33456026987217426011316657894, 6.54463281342431248781369248283, 6.78514664316896286720266661071, 7.07007966375889320715472572125, 7.32132949113411951999078432820, 7.62317130757821839450442928037, 8.121907735713472106111504316050, 8.142171385826094989718768809993, 8.337009814233681948363022096054, 8.879284116567907814526998344346

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