Properties

Label 2-731-1.1-c1-0-47
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  + 2.73·2-s + 0.521·3-s + 5.48·4-s + 2.58·5-s + 1.42·6-s − 4.63·7-s + 9.54·8-s − 2.72·9-s + 7.08·10-s + 0.185·11-s + 2.86·12-s − 0.541·13-s − 12.6·14-s + 1.34·15-s + 15.1·16-s − 17-s − 7.46·18-s + 2.05·19-s + 14.2·20-s − 2.41·21-s + 0.507·22-s − 5.10·23-s + 4.97·24-s + 1.69·25-s − 1.48·26-s − 2.98·27-s − 25.4·28-s + ⋯
L(s)  = 1  + 1.93·2-s + 0.300·3-s + 2.74·4-s + 1.15·5-s + 0.582·6-s − 1.75·7-s + 3.37·8-s − 0.909·9-s + 2.23·10-s + 0.0559·11-s + 0.826·12-s − 0.150·13-s − 3.39·14-s + 0.348·15-s + 3.78·16-s − 0.242·17-s − 1.75·18-s + 0.471·19-s + 3.17·20-s − 0.527·21-s + 0.108·22-s − 1.06·23-s + 1.01·24-s + 0.339·25-s − 0.290·26-s − 0.574·27-s − 4.80·28-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

\(L(1)\) \(\approx\) \(5.185088895\)
\(L(\frac12)\) \(\approx\) \(5.185088895\)
\(L(\frac{3}{2})\) 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 \( 1 - 2.73T + 2T^{2} \)
3 \( 1 - 0.521T + 3T^{2} \)
5 \( 1 - 2.58T + 5T^{2} \)
7 \( 1 + 4.63T + 7T^{2} \)
11 \( 1 - 0.185T + 11T^{2} \)
13 \( 1 + 0.541T + 13T^{2} \)
19 \( 1 - 2.05T + 19T^{2} \)
23 \( 1 + 5.10T + 23T^{2} \)
29 \( 1 - 5.06T + 29T^{2} \)
31 \( 1 - 2.24T + 31T^{2} \)
37 \( 1 + 7.13T + 37T^{2} \)
41 \( 1 + 5.24T + 41T^{2} \)
47 \( 1 + 8.33T + 47T^{2} \)
53 \( 1 - 11.2T + 53T^{2} \)
59 \( 1 - 10.2T + 59T^{2} \)
61 \( 1 - 3.13T + 61T^{2} \)
67 \( 1 + 12.9T + 67T^{2} \)
71 \( 1 - 2.16T + 71T^{2} \)
73 \( 1 + 14.8T + 73T^{2} \)
79 \( 1 - 3.69T + 79T^{2} \)
83 \( 1 - 0.638T + 83T^{2} \)
89 \( 1 - 16.8T + 89T^{2} \)
97 \( 1 - 0.184T + 97T^{2} \)
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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

−10.31765687089569110974783820959, −9.946585857784160530039428635529, −8.702619547321937031005736971773, −7.23413341988765190442944887076, −6.33148521942596784475817875171, −5.97628678345225876747934506833, −5.08924240694536312180055521061, −3.71497106260160450938434602622, −2.97515138498380124130015116612, −2.15500107042794229661062374471, 2.15500107042794229661062374471, 2.97515138498380124130015116612, 3.71497106260160450938434602622, 5.08924240694536312180055521061, 5.97628678345225876747934506833, 6.33148521942596784475817875171, 7.23413341988765190442944887076, 8.702619547321937031005736971773, 9.946585857784160530039428635529, 10.31765687089569110974783820959

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