Properties

Label 2-731-1.1-c1-0-19
Degree $2$
Conductor $731$
Sign $1$
Analytic cond. $5.83706$
Root an. cond. $2.41600$
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  + 1.10·2-s − 1.62·3-s − 0.788·4-s + 2.17·5-s − 1.78·6-s + 4.08·7-s − 3.06·8-s − 0.369·9-s + 2.39·10-s + 3.06·11-s + 1.27·12-s − 1.48·13-s + 4.49·14-s − 3.53·15-s − 1.80·16-s − 17-s − 0.406·18-s + 2.86·19-s − 1.71·20-s − 6.62·21-s + 3.37·22-s + 0.388·23-s + 4.97·24-s − 0.249·25-s − 1.62·26-s + 5.46·27-s − 3.22·28-s + ⋯
L(s)  = 1  + 0.778·2-s − 0.936·3-s − 0.394·4-s + 0.974·5-s − 0.729·6-s + 1.54·7-s − 1.08·8-s − 0.123·9-s + 0.758·10-s + 0.923·11-s + 0.368·12-s − 0.410·13-s + 1.20·14-s − 0.912·15-s − 0.450·16-s − 0.242·17-s − 0.0957·18-s + 0.657·19-s − 0.384·20-s − 1.44·21-s + 0.718·22-s + 0.0809·23-s + 1.01·24-s − 0.0498·25-s − 0.319·26-s + 1.05·27-s − 0.608·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 731 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 731 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(731\)    =    \(17 \cdot 43\)
Sign: $1$
Analytic conductor: \(5.83706\)
Root analytic conductor: \(2.41600\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 731,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.903822678\)
\(L(\frac12)\) \(\approx\) \(1.903822678\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad17 \( 1 + T \)
43 \( 1 - T \)
good2 \( 1 - 1.10T + 2T^{2} \)
3 \( 1 + 1.62T + 3T^{2} \)
5 \( 1 - 2.17T + 5T^{2} \)
7 \( 1 - 4.08T + 7T^{2} \)
11 \( 1 - 3.06T + 11T^{2} \)
13 \( 1 + 1.48T + 13T^{2} \)
19 \( 1 - 2.86T + 19T^{2} \)
23 \( 1 - 0.388T + 23T^{2} \)
29 \( 1 - 7.18T + 29T^{2} \)
31 \( 1 - 5.92T + 31T^{2} \)
37 \( 1 - 8.20T + 37T^{2} \)
41 \( 1 - 8.12T + 41T^{2} \)
47 \( 1 + 0.818T + 47T^{2} \)
53 \( 1 + 8.59T + 53T^{2} \)
59 \( 1 + 14.5T + 59T^{2} \)
61 \( 1 + 3.17T + 61T^{2} \)
67 \( 1 + 9.50T + 67T^{2} \)
71 \( 1 + 5.02T + 71T^{2} \)
73 \( 1 - 0.515T + 73T^{2} \)
79 \( 1 + 7.81T + 79T^{2} \)
83 \( 1 + 11.7T + 83T^{2} \)
89 \( 1 - 15.0T + 89T^{2} \)
97 \( 1 - 1.59T + 97T^{2} \)
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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

−10.55345030289377776431942923404, −9.554029241357021523609622261796, −8.793487809370030975846617887674, −7.76295607676559296531630226118, −6.29716097772755420151765759944, −5.88057903661326217421411518000, −4.83347235221004013104651798530, −4.49904613296870697537831344283, −2.75892389012738805974062451428, −1.20445355868727055390263502011, 1.20445355868727055390263502011, 2.75892389012738805974062451428, 4.49904613296870697537831344283, 4.83347235221004013104651798530, 5.88057903661326217421411518000, 6.29716097772755420151765759944, 7.76295607676559296531630226118, 8.793487809370030975846617887674, 9.554029241357021523609622261796, 10.55345030289377776431942923404

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