Properties

Label 2-731-1.1-c1-0-16
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  − 0.276·2-s + 2.26·3-s − 1.92·4-s − 3.42·5-s − 0.626·6-s + 1.42·7-s + 1.08·8-s + 2.13·9-s + 0.945·10-s − 0.0948·11-s − 4.35·12-s + 6.11·13-s − 0.392·14-s − 7.75·15-s + 3.54·16-s + 17-s − 0.589·18-s + 5.35·19-s + 6.58·20-s + 3.21·21-s + 0.0262·22-s − 5.70·23-s + 2.45·24-s + 6.70·25-s − 1.69·26-s − 1.96·27-s − 2.73·28-s + ⋯
L(s)  = 1  − 0.195·2-s + 1.30·3-s − 0.961·4-s − 1.53·5-s − 0.255·6-s + 0.537·7-s + 0.383·8-s + 0.710·9-s + 0.299·10-s − 0.0286·11-s − 1.25·12-s + 1.69·13-s − 0.104·14-s − 2.00·15-s + 0.886·16-s + 0.242·17-s − 0.138·18-s + 1.22·19-s + 1.47·20-s + 0.702·21-s + 0.00558·22-s − 1.18·23-s + 0.501·24-s + 1.34·25-s − 0.331·26-s − 0.378·27-s − 0.516·28-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

\(L(1)\) \(\approx\) \(1.496387053\)
\(L(\frac12)\) \(\approx\) \(1.496387053\)
\(L(\frac{3}{2})\) 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 \( 1 + 0.276T + 2T^{2} \)
3 \( 1 - 2.26T + 3T^{2} \)
5 \( 1 + 3.42T + 5T^{2} \)
7 \( 1 - 1.42T + 7T^{2} \)
11 \( 1 + 0.0948T + 11T^{2} \)
13 \( 1 - 6.11T + 13T^{2} \)
19 \( 1 - 5.35T + 19T^{2} \)
23 \( 1 + 5.70T + 23T^{2} \)
29 \( 1 - 1.52T + 29T^{2} \)
31 \( 1 - 8.17T + 31T^{2} \)
37 \( 1 - 6.07T + 37T^{2} \)
41 \( 1 - 12.1T + 41T^{2} \)
47 \( 1 - 3.39T + 47T^{2} \)
53 \( 1 - 3.28T + 53T^{2} \)
59 \( 1 + 6.46T + 59T^{2} \)
61 \( 1 - 10.5T + 61T^{2} \)
67 \( 1 + 12.5T + 67T^{2} \)
71 \( 1 - 5.67T + 71T^{2} \)
73 \( 1 + 16.2T + 73T^{2} \)
79 \( 1 + 8.78T + 79T^{2} \)
83 \( 1 - 7.35T + 83T^{2} \)
89 \( 1 + 4.66T + 89T^{2} \)
97 \( 1 - 18.6T + 97T^{2} \)
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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

−10.20080139019364310410353859875, −9.217924382560498668953435144476, −8.502263692847091364223925412274, −7.986060151014919953722602426299, −7.57964139633225852283944507811, −5.89624011054715518598184572342, −4.43676373714857287177388222886, −3.88945398706700593450217493307, −3.03658419474574528288659288819, −1.08053269392262110825486746873, 1.08053269392262110825486746873, 3.03658419474574528288659288819, 3.88945398706700593450217493307, 4.43676373714857287177388222886, 5.89624011054715518598184572342, 7.57964139633225852283944507811, 7.986060151014919953722602426299, 8.502263692847091364223925412274, 9.217924382560498668953435144476, 10.20080139019364310410353859875

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