Properties

Label 2-845-1.1-c1-0-15
Degree $2$
Conductor $845$
Sign $1$
Analytic cond. $6.74735$
Root an. cond. $2.59756$
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  − 1.30·2-s + 3-s − 0.302·4-s + 5-s − 1.30·6-s + 7-s + 3·8-s − 2·9-s − 1.30·10-s + 5.60·11-s − 0.302·12-s − 1.30·14-s + 15-s − 3.30·16-s + 0.394·17-s + 2.60·18-s − 1.60·19-s − 0.302·20-s + 21-s − 7.30·22-s − 3·23-s + 3·24-s + 25-s − 5·27-s − 0.302·28-s + 8.21·29-s − 1.30·30-s + ⋯
L(s)  = 1  − 0.921·2-s + 0.577·3-s − 0.151·4-s + 0.447·5-s − 0.531·6-s + 0.377·7-s + 1.06·8-s − 0.666·9-s − 0.411·10-s + 1.69·11-s − 0.0874·12-s − 0.348·14-s + 0.258·15-s − 0.825·16-s + 0.0956·17-s + 0.614·18-s − 0.368·19-s − 0.0677·20-s + 0.218·21-s − 1.55·22-s − 0.625·23-s + 0.612·24-s + 0.200·25-s − 0.962·27-s − 0.0572·28-s + 1.52·29-s − 0.237·30-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 845 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 845 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(845\)    =    \(5 \cdot 13^{2}\)
Sign: $1$
Analytic conductor: \(6.74735\)
Root analytic conductor: \(2.59756\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 845,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.243550320\)
\(L(\frac12)\) \(\approx\) \(1.243550320\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad5 \( 1 - T \)
13 \( 1 \)
good2 \( 1 + 1.30T + 2T^{2} \)
3 \( 1 - T + 3T^{2} \)
7 \( 1 - T + 7T^{2} \)
11 \( 1 - 5.60T + 11T^{2} \)
17 \( 1 - 0.394T + 17T^{2} \)
19 \( 1 + 1.60T + 19T^{2} \)
23 \( 1 + 3T + 23T^{2} \)
29 \( 1 - 8.21T + 29T^{2} \)
31 \( 1 - 4T + 31T^{2} \)
37 \( 1 - 3.60T + 37T^{2} \)
41 \( 1 + 3T + 41T^{2} \)
43 \( 1 - 4.21T + 43T^{2} \)
47 \( 1 - 5.21T + 47T^{2} \)
53 \( 1 - 11.2T + 53T^{2} \)
59 \( 1 + 10.8T + 59T^{2} \)
61 \( 1 + T + 61T^{2} \)
67 \( 1 - 7T + 67T^{2} \)
71 \( 1 - 16.8T + 71T^{2} \)
73 \( 1 - 15.2T + 73T^{2} \)
79 \( 1 + 9.21T + 79T^{2} \)
83 \( 1 + 5.21T + 83T^{2} \)
89 \( 1 + 8.21T + 89T^{2} \)
97 \( 1 - 15.6T + 97T^{2} \)
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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

−9.848981725181921041335486658978, −9.302800460910642422686796785502, −8.533947847500030824966407201022, −8.103228458667874422393690402771, −6.90231602901674378635086119089, −6.01308383548752237342626481131, −4.71271240788445316687481037336, −3.77097899680713502082254788357, −2.31251535246700753369112823984, −1.09368447304210276226495446749, 1.09368447304210276226495446749, 2.31251535246700753369112823984, 3.77097899680713502082254788357, 4.71271240788445316687481037336, 6.01308383548752237342626481131, 6.90231602901674378635086119089, 8.103228458667874422393690402771, 8.533947847500030824966407201022, 9.302800460910642422686796785502, 9.848981725181921041335486658978

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