Properties

Label 4-2e18-1.1-c1e2-0-22
Degree $4$
Conductor $262144$
Sign $1$
Analytic cond. $16.7145$
Root an. cond. $2.02196$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive no
Self-dual yes
Analytic rank $2$

Origins

Origins of factors

Downloads

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Normalization:  

Dirichlet series

L(s)  = 1  − 6·5-s − 2·13-s − 16·17-s + 18·25-s − 14·29-s − 10·37-s + 14·49-s − 10·53-s − 2·61-s + 12·65-s − 9·81-s + 96·85-s + 16·97-s + 22·101-s − 14·109-s − 28·113-s − 30·125-s + 127-s + 131-s + 137-s + 139-s + 84·145-s + 149-s + 151-s + 157-s + 163-s + 167-s + ⋯
L(s)  = 1  − 2.68·5-s − 0.554·13-s − 3.88·17-s + 18/5·25-s − 2.59·29-s − 1.64·37-s + 2·49-s − 1.37·53-s − 0.256·61-s + 1.48·65-s − 81-s + 10.4·85-s + 1.62·97-s + 2.18·101-s − 1.34·109-s − 2.63·113-s − 2.68·125-s + 0.0887·127-s + 0.0873·131-s + 0.0854·137-s + 0.0848·139-s + 6.97·145-s + 0.0819·149-s + 0.0813·151-s + 0.0798·157-s + 0.0783·163-s + 0.0773·167-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 262144 ^{s/2} \, \Gamma_{\C}(s)^{2} \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 262144 ^{s/2} \, \Gamma_{\C}(s+1/2)^{2} \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(4\)
Conductor: \(262144\)    =    \(2^{18}\)
Sign: $1$
Analytic conductor: \(16.7145\)
Root analytic conductor: \(2.02196\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(2\)
Selberg data: \((4,\ 262144,\ (\ :1/2, 1/2),\ 1)\)

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) 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)$
bad2 \( 1 \)
good3$C_2^2$ \( 1 + p^{2} T^{4} \)
5$C_2$ \( ( 1 + 2 T + p T^{2} )( 1 + 4 T + p T^{2} ) \)
7$C_2$ \( ( 1 - p T^{2} )^{2} \)
11$C_2^2$ \( 1 + p^{2} T^{4} \)
13$C_2$ \( ( 1 - 4 T + p T^{2} )( 1 + 6 T + p T^{2} ) \)
17$C_2$ \( ( 1 + 8 T + p T^{2} )^{2} \)
19$C_2^2$ \( 1 + p^{2} T^{4} \)
23$C_2$ \( ( 1 - p T^{2} )^{2} \)
29$C_2$ \( ( 1 + 4 T + p T^{2} )( 1 + 10 T + p T^{2} ) \)
31$C_2$ \( ( 1 + p T^{2} )^{2} \)
37$C_2$ \( ( 1 - 2 T + p T^{2} )( 1 + 12 T + p T^{2} ) \)
41$C_2$ \( ( 1 - 10 T + p T^{2} )( 1 + 10 T + p T^{2} ) \)
43$C_2^2$ \( 1 + p^{2} T^{4} \)
47$C_2$ \( ( 1 + p T^{2} )^{2} \)
53$C_2$ \( ( 1 - 4 T + p T^{2} )( 1 + 14 T + p T^{2} ) \)
59$C_2^2$ \( 1 + p^{2} T^{4} \)
61$C_2$ \( ( 1 - 10 T + p T^{2} )( 1 + 12 T + p T^{2} ) \)
67$C_2^2$ \( 1 + p^{2} T^{4} \)
71$C_2$ \( ( 1 - p T^{2} )^{2} \)
73$C_2$ \( ( 1 - 16 T + p T^{2} )( 1 + 16 T + p T^{2} ) \)
79$C_2$ \( ( 1 + p T^{2} )^{2} \)
83$C_2^2$ \( 1 + p^{2} T^{4} \)
89$C_2$ \( ( 1 - 16 T + p T^{2} )( 1 + 16 T + p T^{2} ) \)
97$C_2$ \( ( 1 - 8 T + p T^{2} )^{2} \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{4} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−10.72756617107388021907404876625, −10.68086206437723389100626391399, −9.694846797595585628577505532914, −9.069540656469781468452912457701, −8.763736629208434220392247529823, −8.632234507736590101961628433772, −7.71844317111024991511995539038, −7.66700851176729134844715704013, −7.03123875703169337427194047700, −6.86681513196180977535606462490, −6.20005292841791693694369192528, −5.35429359836309575592434763750, −4.64151812143918439234263580506, −4.44215588362433810879658579021, −3.78391857123772335592102552475, −3.63749608110412046786385718474, −2.57789197994211068748399544012, −1.94235188945846926758769502317, 0, 0, 1.94235188945846926758769502317, 2.57789197994211068748399544012, 3.63749608110412046786385718474, 3.78391857123772335592102552475, 4.44215588362433810879658579021, 4.64151812143918439234263580506, 5.35429359836309575592434763750, 6.20005292841791693694369192528, 6.86681513196180977535606462490, 7.03123875703169337427194047700, 7.66700851176729134844715704013, 7.71844317111024991511995539038, 8.632234507736590101961628433772, 8.763736629208434220392247529823, 9.069540656469781468452912457701, 9.694846797595585628577505532914, 10.68086206437723389100626391399, 10.72756617107388021907404876625

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