Properties

Label 4-2e18-1.1-c1e2-0-8
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 $0$

Origins

Origins of factors

Downloads

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Normalization:  

Dirichlet series

L(s)  = 1  + 4·3-s − 2·5-s + 8·9-s + 4·11-s − 6·13-s − 8·15-s − 4·19-s + 2·25-s + 12·27-s + 6·29-s + 16·31-s + 16·33-s + 2·37-s − 24·39-s − 4·43-s − 16·45-s + 16·47-s − 2·49-s + 2·53-s − 8·55-s − 16·57-s + 12·59-s − 6·61-s + 12·65-s − 4·67-s + 8·75-s + 23·81-s + ⋯
L(s)  = 1  + 2.30·3-s − 0.894·5-s + 8/3·9-s + 1.20·11-s − 1.66·13-s − 2.06·15-s − 0.917·19-s + 2/5·25-s + 2.30·27-s + 1.11·29-s + 2.87·31-s + 2.78·33-s + 0.328·37-s − 3.84·39-s − 0.609·43-s − 2.38·45-s + 2.33·47-s − 2/7·49-s + 0.274·53-s − 1.07·55-s − 2.11·57-s + 1.56·59-s − 0.768·61-s + 1.48·65-s − 0.488·67-s + 0.923·75-s + 23/9·81-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: \(0\)
Selberg data: \((4,\ 262144,\ (\ :1/2, 1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(3.450498151\)
\(L(\frac12)\) \(\approx\) \(3.450498151\)
\(L(\frac{3}{2})\) 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$C_2^2$ \( 1 - 4 T + 8 T^{2} - 4 p T^{3} + p^{2} T^{4} \)
5$C_2$ \( ( 1 - 2 T + p T^{2} )( 1 + 4 T + p T^{2} ) \)
7$C_2^2$ \( 1 + 2 T^{2} + p^{2} T^{4} \)
11$C_2^2$ \( 1 - 4 T + 8 T^{2} - 4 p T^{3} + p^{2} T^{4} \)
13$C_2^2$ \( 1 + 6 T + 18 T^{2} + 6 p T^{3} + p^{2} T^{4} \)
17$C_2$ \( ( 1 + p T^{2} )^{2} \)
19$C_2^2$ \( 1 + 4 T + 8 T^{2} + 4 p T^{3} + p^{2} T^{4} \)
23$C_2^2$ \( 1 - 30 T^{2} + p^{2} T^{4} \)
29$C_2$ \( ( 1 - 10 T + p T^{2} )( 1 + 4 T + p T^{2} ) \)
31$C_2$ \( ( 1 - 8 T + p T^{2} )^{2} \)
37$C_2^2$ \( 1 - 2 T + 2 T^{2} - 2 p T^{3} + p^{2} T^{4} \)
41$C_2$ \( ( 1 - 10 T + p T^{2} )( 1 + 10 T + p T^{2} ) \)
43$C_2^2$ \( 1 + 4 T + 8 T^{2} + 4 p T^{3} + p^{2} T^{4} \)
47$C_2$ \( ( 1 - 8 T + p T^{2} )^{2} \)
53$C_2^2$ \( 1 - 2 T + 2 T^{2} - 2 p T^{3} + p^{2} T^{4} \)
59$C_2^2$ \( 1 - 12 T + 72 T^{2} - 12 p T^{3} + p^{2} T^{4} \)
61$C_2^2$ \( 1 + 6 T + 18 T^{2} + 6 p T^{3} + p^{2} T^{4} \)
67$C_2^2$ \( 1 + 4 T + 8 T^{2} + 4 p T^{3} + p^{2} T^{4} \)
71$C_2^2$ \( 1 + 2 T^{2} + p^{2} T^{4} \)
73$C_2^2$ \( 1 - 142 T^{2} + p^{2} T^{4} \)
79$C_2$ \( ( 1 + p T^{2} )^{2} \)
83$C_2^2$ \( 1 - 20 T + 200 T^{2} - 20 p T^{3} + p^{2} T^{4} \)
89$C_2^2$ \( 1 + 18 T^{2} + p^{2} T^{4} \)
97$C_2$ \( ( 1 + 16 T + p T^{2} )^{2} \)
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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

−11.03506102078398959415191232120, −10.46582720824680621975821340463, −10.10662443683471923793578704840, −9.585770316199146499807467568905, −9.317208974386718494987251222433, −8.643084682641881530707278093552, −8.579281457309852325511144098014, −8.032219862017146177475715167061, −7.76733652253301107098772646183, −7.21195266822028914438476455736, −6.59417153694718370966246885287, −6.49186940732716210834184777345, −5.34642786189251725336081061049, −4.50465825769089052782427535100, −4.36116716080932502653133703863, −3.80789483671956572852543918251, −3.08975650707919337857830423684, −2.60152567375513468867481988589, −2.28322453373648801816088451916, −1.03964368906994799498656426612, 1.03964368906994799498656426612, 2.28322453373648801816088451916, 2.60152567375513468867481988589, 3.08975650707919337857830423684, 3.80789483671956572852543918251, 4.36116716080932502653133703863, 4.50465825769089052782427535100, 5.34642786189251725336081061049, 6.49186940732716210834184777345, 6.59417153694718370966246885287, 7.21195266822028914438476455736, 7.76733652253301107098772646183, 8.032219862017146177475715167061, 8.579281457309852325511144098014, 8.643084682641881530707278093552, 9.317208974386718494987251222433, 9.585770316199146499807467568905, 10.10662443683471923793578704840, 10.46582720824680621975821340463, 11.03506102078398959415191232120

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