Properties

Label 2-52-52.51-c2-0-7
Degree $2$
Conductor $52$
Sign $1$
Analytic cond. $1.41689$
Root an. cond. $1.19033$
Motivic weight $2$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2·2-s + 4·4-s − 12·7-s + 8·8-s + 9·9-s − 4·11-s − 13·13-s − 24·14-s + 16·16-s − 18·17-s + 18·18-s + 12·19-s − 8·22-s + 25·25-s − 26·26-s − 48·28-s + 6·29-s + 36·31-s + 32·32-s − 36·34-s + 36·36-s + 24·38-s − 16·44-s + 68·47-s + 95·49-s + 50·50-s − 52·52-s + ⋯
L(s)  = 1  + 2-s + 4-s − 1.71·7-s + 8-s + 9-s − 0.363·11-s − 13-s − 1.71·14-s + 16-s − 1.05·17-s + 18-s + 0.631·19-s − 0.363·22-s + 25-s − 26-s − 1.71·28-s + 6/29·29-s + 1.16·31-s + 32-s − 1.05·34-s + 36-s + 0.631·38-s − 0.363·44-s + 1.44·47-s + 1.93·49-s + 50-s − 52-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 52 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 52 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(52\)    =    \(2^{2} \cdot 13\)
Sign: $1$
Analytic conductor: \(1.41689\)
Root analytic conductor: \(1.19033\)
Motivic weight: \(2\)
Rational: yes
Arithmetic: yes
Character: $\chi_{52} (51, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 52,\ (\ :1),\ 1)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(1.778329854\)
\(L(\frac12)\) \(\approx\) \(1.778329854\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - p T \)
13 \( 1 + p T \)
good3 \( ( 1 - p T )( 1 + p T ) \)
5 \( ( 1 - p T )( 1 + p T ) \)
7 \( 1 + 12 T + p^{2} T^{2} \)
11 \( 1 + 4 T + p^{2} T^{2} \)
17 \( 1 + 18 T + p^{2} T^{2} \)
19 \( 1 - 12 T + p^{2} T^{2} \)
23 \( ( 1 - p T )( 1 + p T ) \)
29 \( 1 - 6 T + p^{2} T^{2} \)
31 \( 1 - 36 T + p^{2} T^{2} \)
37 \( ( 1 - p T )( 1 + p T ) \)
41 \( ( 1 - p T )( 1 + p T ) \)
43 \( ( 1 - p T )( 1 + p T ) \)
47 \( 1 - 68 T + p^{2} T^{2} \)
53 \( 1 + 102 T + p^{2} T^{2} \)
59 \( 1 + 116 T + p^{2} T^{2} \)
61 \( 1 + 86 T + p^{2} T^{2} \)
67 \( 1 - 108 T + p^{2} T^{2} \)
71 \( 1 + 92 T + p^{2} T^{2} \)
73 \( ( 1 - p T )( 1 + p T ) \)
79 \( ( 1 - p T )( 1 + p T ) \)
83 \( 1 + 68 T + p^{2} T^{2} \)
89 \( ( 1 - p T )( 1 + p T ) \)
97 \( ( 1 - p T )( 1 + p T ) \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−15.42804640739273657912802023574, −13.85515231997384645134636816410, −12.90283936863142454027735835960, −12.27118507569251615933155810753, −10.57460291292869959367231467685, −9.558707029092064347361325639130, −7.30253010602254279549104896775, −6.36235959030454351930595830061, −4.60023494735922761720874208202, −2.91906282025401256302203570916, 2.91906282025401256302203570916, 4.60023494735922761720874208202, 6.36235959030454351930595830061, 7.30253010602254279549104896775, 9.558707029092064347361325639130, 10.57460291292869959367231467685, 12.27118507569251615933155810753, 12.90283936863142454027735835960, 13.85515231997384645134636816410, 15.42804640739273657912802023574

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