Properties

Label 2-731-1.1-c1-0-34
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 $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 1.78·2-s + 1.17·3-s + 1.19·4-s − 1.95·5-s − 2.10·6-s − 1.57·7-s + 1.44·8-s − 1.61·9-s + 3.48·10-s + 3.10·11-s + 1.40·12-s + 2.22·13-s + 2.81·14-s − 2.29·15-s − 4.96·16-s + 17-s + 2.88·18-s + 3.29·19-s − 2.32·20-s − 1.85·21-s − 5.54·22-s − 3.85·23-s + 1.69·24-s − 1.19·25-s − 3.98·26-s − 5.43·27-s − 1.88·28-s + ⋯
L(s)  = 1  − 1.26·2-s + 0.680·3-s + 0.597·4-s − 0.872·5-s − 0.859·6-s − 0.595·7-s + 0.509·8-s − 0.537·9-s + 1.10·10-s + 0.935·11-s + 0.406·12-s + 0.617·13-s + 0.753·14-s − 0.593·15-s − 1.24·16-s + 0.242·17-s + 0.679·18-s + 0.755·19-s − 0.520·20-s − 0.405·21-s − 1.18·22-s − 0.803·23-s + 0.346·24-s − 0.239·25-s − 0.780·26-s − 1.04·27-s − 0.355·28-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: \(1\)
Selberg data: \((2,\ 731,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) 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 \( 1 + 1.78T + 2T^{2} \)
3 \( 1 - 1.17T + 3T^{2} \)
5 \( 1 + 1.95T + 5T^{2} \)
7 \( 1 + 1.57T + 7T^{2} \)
11 \( 1 - 3.10T + 11T^{2} \)
13 \( 1 - 2.22T + 13T^{2} \)
19 \( 1 - 3.29T + 19T^{2} \)
23 \( 1 + 3.85T + 23T^{2} \)
29 \( 1 + 0.0511T + 29T^{2} \)
31 \( 1 + 9.84T + 31T^{2} \)
37 \( 1 + 11.4T + 37T^{2} \)
41 \( 1 + 2.81T + 41T^{2} \)
47 \( 1 - 0.384T + 47T^{2} \)
53 \( 1 - 6.87T + 53T^{2} \)
59 \( 1 - 0.424T + 59T^{2} \)
61 \( 1 - 0.494T + 61T^{2} \)
67 \( 1 + 6.29T + 67T^{2} \)
71 \( 1 + 12.7T + 71T^{2} \)
73 \( 1 + 0.682T + 73T^{2} \)
79 \( 1 + 0.156T + 79T^{2} \)
83 \( 1 - 0.486T + 83T^{2} \)
89 \( 1 + 7.53T + 89T^{2} \)
97 \( 1 + 1.92T + 97T^{2} \)
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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

−9.659867138723846907361277012557, −9.004941003597572768898957505270, −8.439537787307021626455806322210, −7.63698999423401812221725858425, −6.90454608314614365185867196549, −5.64101816712825746121218380500, −4.01117253454398004000958957933, −3.32479346588805464178294087668, −1.68712996882066248150478259170, 0, 1.68712996882066248150478259170, 3.32479346588805464178294087668, 4.01117253454398004000958957933, 5.64101816712825746121218380500, 6.90454608314614365185867196549, 7.63698999423401812221725858425, 8.439537787307021626455806322210, 9.004941003597572768898957505270, 9.659867138723846907361277012557

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