Properties

Label 2-1731-1731.1730-c0-0-5
Degree $2$
Conductor $1731$
Sign $1$
Analytic cond. $0.863881$
Root an. cond. $0.929452$
Motivic weight $0$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 3-s + 4-s + 1.41·5-s + 9-s − 12-s − 1.41·15-s + 16-s + 1.41·20-s + 1.00·25-s − 27-s − 1.41·29-s + 36-s − 1.41·41-s + 1.41·45-s − 1.41·47-s − 48-s + 49-s − 1.41·60-s + 64-s − 1.00·75-s + 1.41·80-s + 81-s − 1.41·83-s + 1.41·87-s + 1.41·89-s + 1.00·100-s + 1.41·101-s + ⋯
L(s)  = 1  − 3-s + 4-s + 1.41·5-s + 9-s − 12-s − 1.41·15-s + 16-s + 1.41·20-s + 1.00·25-s − 27-s − 1.41·29-s + 36-s − 1.41·41-s + 1.41·45-s − 1.41·47-s − 48-s + 49-s − 1.41·60-s + 64-s − 1.00·75-s + 1.41·80-s + 81-s − 1.41·83-s + 1.41·87-s + 1.41·89-s + 1.00·100-s + 1.41·101-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1731 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1731 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1731\)    =    \(3 \cdot 577\)
Sign: $1$
Analytic conductor: \(0.863881\)
Root analytic conductor: \(0.929452\)
Motivic weight: \(0\)
Rational: no
Arithmetic: yes
Character: $\chi_{1731} (1730, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1731,\ (\ :0),\ 1)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(1.351175719\)
\(L(\frac12)\) \(\approx\) \(1.351175719\)
\(L(1)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + T \)
577 \( 1 + T \)
good2 \( 1 - T^{2} \)
5 \( 1 - 1.41T + T^{2} \)
7 \( 1 - T^{2} \)
11 \( 1 - T^{2} \)
13 \( 1 - T^{2} \)
17 \( 1 - T^{2} \)
19 \( 1 + T^{2} \)
23 \( 1 - T^{2} \)
29 \( 1 + 1.41T + T^{2} \)
31 \( 1 + T^{2} \)
37 \( 1 - T^{2} \)
41 \( 1 + 1.41T + T^{2} \)
43 \( 1 - T^{2} \)
47 \( 1 + 1.41T + T^{2} \)
53 \( 1 - T^{2} \)
59 \( 1 - T^{2} \)
61 \( 1 - T^{2} \)
67 \( 1 - T^{2} \)
71 \( 1 - T^{2} \)
73 \( 1 - T^{2} \)
79 \( 1 - T^{2} \)
83 \( 1 + 1.41T + T^{2} \)
89 \( 1 - 1.41T + T^{2} \)
97 \( 1 - T^{2} \)
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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

−9.905908526461293479628511552318, −8.878647618936286433481458572954, −7.64143248660170037488745310983, −6.89454614095396951566066104136, −6.20630894115600210121085951125, −5.66446373524480503516355982133, −4.92938000384185026744593529881, −3.52722472906205134012410944167, −2.21474812847995134928188326086, −1.47740465680117519430118401586, 1.47740465680117519430118401586, 2.21474812847995134928188326086, 3.52722472906205134012410944167, 4.92938000384185026744593529881, 5.66446373524480503516355982133, 6.20630894115600210121085951125, 6.89454614095396951566066104136, 7.64143248660170037488745310983, 8.878647618936286433481458572954, 9.905908526461293479628511552318

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