Properties

Label 4-138368-1.1-c1e2-0-2
Degree $4$
Conductor $138368$
Sign $1$
Analytic cond. $8.82246$
Root an. cond. $1.72344$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2-s + 4-s + 4·7-s − 8-s + 2·9-s − 4·14-s + 16-s + 2·17-s − 2·18-s + 9·23-s − 2·25-s + 4·28-s + 8·31-s − 32-s − 2·34-s + 2·36-s − 4·41-s − 9·46-s + 47-s − 2·49-s + 2·50-s − 4·56-s − 8·62-s + 8·63-s + 64-s + 2·68-s + 10·71-s + ⋯
L(s)  = 1  − 0.707·2-s + 1/2·4-s + 1.51·7-s − 0.353·8-s + 2/3·9-s − 1.06·14-s + 1/4·16-s + 0.485·17-s − 0.471·18-s + 1.87·23-s − 2/5·25-s + 0.755·28-s + 1.43·31-s − 0.176·32-s − 0.342·34-s + 1/3·36-s − 0.624·41-s − 1.32·46-s + 0.145·47-s − 2/7·49-s + 0.282·50-s − 0.534·56-s − 1.01·62-s + 1.00·63-s + 1/8·64-s + 0.242·68-s + 1.18·71-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 138368 ^{s/2} \, \Gamma_{\C}(s)^{2} \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 138368 ^{s/2} \, \Gamma_{\C}(s+1/2)^{2} \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(4\)
Conductor: \(138368\)    =    \(2^{7} \cdot 23 \cdot 47\)
Sign: $1$
Analytic conductor: \(8.82246\)
Root analytic conductor: \(1.72344\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((4,\ 138368,\ (\ :1/2, 1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.584195372\)
\(L(\frac12)\) \(\approx\) \(1.584195372\)
\(L(\frac{3}{2})\) 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$C_1$ \( 1 + T \)
23$C_1$$\times$$C_2$ \( ( 1 - T )( 1 - 8 T + p T^{2} ) \)
47$C_1$$\times$$C_2$ \( ( 1 - T )( 1 + p T^{2} ) \)
good3$C_2^2$ \( 1 - 2 T^{2} + p^{2} T^{4} \)
5$C_2^2$ \( 1 + 2 T^{2} + p^{2} T^{4} \)
7$C_2$ \( ( 1 - 2 T + p T^{2} )^{2} \)
11$C_2^2$ \( 1 - 20 T^{2} + p^{2} T^{4} \)
13$C_2^2$ \( 1 - 8 T^{2} + p^{2} T^{4} \)
17$C_2$$\times$$C_2$ \( ( 1 - 4 T + p T^{2} )( 1 + 2 T + p T^{2} ) \)
19$C_2^2$ \( 1 - 28 T^{2} + p^{2} T^{4} \)
29$C_2^2$ \( 1 - 28 T^{2} + p^{2} T^{4} \)
31$C_2$ \( ( 1 - 4 T + p T^{2} )^{2} \)
37$C_2^2$ \( 1 - 2 T^{2} + p^{2} T^{4} \)
41$C_2$ \( ( 1 + 2 T + p T^{2} )^{2} \)
43$C_2^2$ \( 1 + 16 T^{2} + p^{2} T^{4} \)
53$C_2^2$ \( 1 + 58 T^{2} + p^{2} T^{4} \)
59$C_2^2$ \( 1 + 98 T^{2} + p^{2} T^{4} \)
61$C_2^2$ \( 1 - 90 T^{2} + p^{2} T^{4} \)
67$C_2^2$ \( 1 + 88 T^{2} + p^{2} T^{4} \)
71$C_2$$\times$$C_2$ \( ( 1 - 10 T + p T^{2} )( 1 + p T^{2} ) \)
73$C_2$$\times$$C_2$ \( ( 1 - 16 T + p T^{2} )( 1 + 2 T + p T^{2} ) \)
79$C_2$$\times$$C_2$ \( ( 1 + 12 T + p T^{2} )( 1 + 16 T + p T^{2} ) \)
83$C_2$ \( ( 1 - 14 T + p T^{2} )( 1 + 14 T + p T^{2} ) \)
89$C_2$$\times$$C_2$ \( ( 1 + p T^{2} )( 1 + 10 T + p T^{2} ) \)
97$C_2$$\times$$C_2$ \( ( 1 - 2 T + p T^{2} )( 1 + 14 T + p T^{2} ) \)
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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

−9.423429927226921162732899514419, −8.722613975537749195839023650009, −8.243781316607903061482910044854, −8.133697454065306009861698322898, −7.43999882001361156014161374978, −6.96076004104489026118803709960, −6.65237566954454125795067283023, −5.75728559315769138278852517682, −5.28098919401238598744212693744, −4.68943648242487004282703228915, −4.27894624506524931748538513911, −3.31833266716801866946896291648, −2.64131017557819879765966837572, −1.67168184853292857301205758313, −1.11479969868756858575990569945, 1.11479969868756858575990569945, 1.67168184853292857301205758313, 2.64131017557819879765966837572, 3.31833266716801866946896291648, 4.27894624506524931748538513911, 4.68943648242487004282703228915, 5.28098919401238598744212693744, 5.75728559315769138278852517682, 6.65237566954454125795067283023, 6.96076004104489026118803709960, 7.43999882001361156014161374978, 8.133697454065306009861698322898, 8.243781316607903061482910044854, 8.722613975537749195839023650009, 9.423429927226921162732899514419

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