Properties

Label 2-3e8-1.1-c1-0-75
Degree $2$
Conductor $6561$
Sign $1$
Analytic cond. $52.3898$
Root an. cond. $7.23808$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 1.71·2-s + 0.924·4-s − 1.37·5-s − 0.310·7-s − 1.83·8-s − 2.34·10-s + 2.41·11-s − 4.61·13-s − 0.530·14-s − 4.99·16-s − 0.210·17-s + 3.48·19-s − 1.26·20-s + 4.12·22-s + 8.00·23-s − 3.11·25-s − 7.89·26-s − 0.286·28-s − 8.31·29-s + 0.801·31-s − 4.86·32-s − 0.360·34-s + 0.426·35-s + 10.8·37-s + 5.95·38-s + 2.52·40-s − 4.69·41-s + ⋯
L(s)  = 1  + 1.20·2-s + 0.462·4-s − 0.614·5-s − 0.117·7-s − 0.650·8-s − 0.742·10-s + 0.726·11-s − 1.28·13-s − 0.141·14-s − 1.24·16-s − 0.0510·17-s + 0.799·19-s − 0.283·20-s + 0.878·22-s + 1.67·23-s − 0.622·25-s − 1.54·26-s − 0.0541·28-s − 1.54·29-s + 0.143·31-s − 0.859·32-s − 0.0617·34-s + 0.0720·35-s + 1.78·37-s + 0.966·38-s + 0.399·40-s − 0.733·41-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 6561 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 6561 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(6561\)    =    \(3^{8}\)
Sign: $1$
Analytic conductor: \(52.3898\)
Root analytic conductor: \(7.23808\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 6561,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.589893148\)
\(L(\frac12)\) \(\approx\) \(2.589893148\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
good2 \( 1 - 1.71T + 2T^{2} \)
5 \( 1 + 1.37T + 5T^{2} \)
7 \( 1 + 0.310T + 7T^{2} \)
11 \( 1 - 2.41T + 11T^{2} \)
13 \( 1 + 4.61T + 13T^{2} \)
17 \( 1 + 0.210T + 17T^{2} \)
19 \( 1 - 3.48T + 19T^{2} \)
23 \( 1 - 8.00T + 23T^{2} \)
29 \( 1 + 8.31T + 29T^{2} \)
31 \( 1 - 0.801T + 31T^{2} \)
37 \( 1 - 10.8T + 37T^{2} \)
41 \( 1 + 4.69T + 41T^{2} \)
43 \( 1 - 7.43T + 43T^{2} \)
47 \( 1 + 6.22T + 47T^{2} \)
53 \( 1 - 8.54T + 53T^{2} \)
59 \( 1 - 7.06T + 59T^{2} \)
61 \( 1 - 10.0T + 61T^{2} \)
67 \( 1 + 1.25T + 67T^{2} \)
71 \( 1 + 1.78T + 71T^{2} \)
73 \( 1 - 13.4T + 73T^{2} \)
79 \( 1 + 3.16T + 79T^{2} \)
83 \( 1 + 0.802T + 83T^{2} \)
89 \( 1 - 13.0T + 89T^{2} \)
97 \( 1 + 6.67T + 97T^{2} \)
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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

−7.75501560520782914134360240201, −7.17228032463069355862628636313, −6.54788508377797245497009669061, −5.63051798078140608219677111944, −5.08603160959098173848379486265, −4.38015524411837906269006596855, −3.71594538846054055174250873679, −3.05558723501777327685340475840, −2.17505089655567172181432399283, −0.67354225359400631996040005372, 0.67354225359400631996040005372, 2.17505089655567172181432399283, 3.05558723501777327685340475840, 3.71594538846054055174250873679, 4.38015524411837906269006596855, 5.08603160959098173848379486265, 5.63051798078140608219677111944, 6.54788508377797245497009669061, 7.17228032463069355862628636313, 7.75501560520782914134360240201

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