Properties

Label 1-131-131.130-r1-0-0
Degree $1$
Conductor $131$
Sign $1$
Analytic cond. $14.0779$
Root an. cond. $14.0779$
Motivic weight $0$
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 + 3-s + 4-s + 5-s − 6-s + 7-s − 8-s + 9-s − 10-s + 11-s + 12-s + 13-s − 14-s + 15-s + 16-s − 17-s − 18-s − 19-s + 20-s + 21-s − 22-s − 23-s − 24-s + 25-s − 26-s + 27-s + 28-s + ⋯
L(s)  = 1  − 2-s + 3-s + 4-s + 5-s − 6-s + 7-s − 8-s + 9-s − 10-s + 11-s + 12-s + 13-s − 14-s + 15-s + 16-s − 17-s − 18-s − 19-s + 20-s + 21-s − 22-s − 23-s − 24-s + 25-s − 26-s + 27-s + 28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 131 ^{s/2} \, \Gamma_{\R}(s+1) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 131 ^{s/2} \, \Gamma_{\R}(s+1) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(1\)
Conductor: \(131\)
Sign: $1$
Analytic conductor: \(14.0779\)
Root analytic conductor: \(14.0779\)
Motivic weight: \(0\)
Rational: yes
Arithmetic: yes
Character: $\chi_{131} (130, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((1,\ 131,\ (1:\ ),\ 1)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(2.291791789\)
\(L(\frac12)\) \(\approx\) \(2.291791789\)
\(L(1)\) \(\approx\) \(1.372411122\)
\(L(1)\) \(\approx\) \(1.372411122\)

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad131 \( 1 \)
good2 \( 1 - T \)
3 \( 1 + T \)
5 \( 1 + T \)
7 \( 1 + T \)
11 \( 1 + T \)
13 \( 1 + T \)
17 \( 1 - T \)
19 \( 1 - T \)
23 \( 1 - T \)
29 \( 1 - T \)
31 \( 1 - T \)
37 \( 1 - T \)
41 \( 1 + T \)
43 \( 1 + T \)
47 \( 1 - T \)
53 \( 1 + T \)
59 \( 1 + T \)
61 \( 1 + T \)
67 \( 1 - T \)
71 \( 1 - T \)
73 \( 1 - T \)
79 \( 1 - T \)
83 \( 1 - T \)
89 \( 1 + T \)
97 \( 1 - T \)
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   \(L(s) = \displaystyle\prod_p \ (1 - \alpha_{p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−28.10053949405797751497597689666, −27.48206819897930603478162789249, −26.245709990949587501415297353323, −25.6690023817840441384554054315, −24.68901705426192396383996429606, −24.11122655930628007262105883821, −21.95900116053961313259307203986, −21.00104166473254986579642222624, −20.380788848358368485912569010171, −19.28727450011525264236117569905, −18.15735922290362779426573176589, −17.52780699903546098655249814911, −16.263479424985839767131418457035, −14.95146648574272700902756715717, −14.1946818883451423750950666860, −12.94207615206425877784825218353, −11.324648694991233915382397898150, −10.30229271069095515513599367810, −9.01938987123242348384332874155, −8.597781733817818130966263691234, −7.18696907872269337754588076888, −6.00365414625244325266107823244, −3.99039985431927840912030524596, −2.19320470018265180013840669684, −1.48998515302936687800012193825, 1.48998515302936687800012193825, 2.19320470018265180013840669684, 3.99039985431927840912030524596, 6.00365414625244325266107823244, 7.18696907872269337754588076888, 8.597781733817818130966263691234, 9.01938987123242348384332874155, 10.30229271069095515513599367810, 11.324648694991233915382397898150, 12.94207615206425877784825218353, 14.1946818883451423750950666860, 14.95146648574272700902756715717, 16.263479424985839767131418457035, 17.52780699903546098655249814911, 18.15735922290362779426573176589, 19.28727450011525264236117569905, 20.380788848358368485912569010171, 21.00104166473254986579642222624, 21.95900116053961313259307203986, 24.11122655930628007262105883821, 24.68901705426192396383996429606, 25.6690023817840441384554054315, 26.245709990949587501415297353323, 27.48206819897930603478162789249, 28.10053949405797751497597689666

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