Properties

Label 2-18207-1.1-c1-0-3
Degree $2$
Conductor $18207$
Sign $-1$
Analytic cond. $145.383$
Root an. cond. $12.0575$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2·2-s + 2·4-s + 5-s + 7-s − 2·10-s + 11-s + 13-s − 2·14-s − 4·16-s + 19-s + 2·20-s − 2·22-s − 3·23-s − 4·25-s − 2·26-s + 2·28-s − 2·29-s + 8·32-s + 35-s + 6·37-s − 2·38-s − 41-s + 5·43-s + 2·44-s + 6·46-s − 12·47-s + 49-s + ⋯
L(s)  = 1  − 1.41·2-s + 4-s + 0.447·5-s + 0.377·7-s − 0.632·10-s + 0.301·11-s + 0.277·13-s − 0.534·14-s − 16-s + 0.229·19-s + 0.447·20-s − 0.426·22-s − 0.625·23-s − 4/5·25-s − 0.392·26-s + 0.377·28-s − 0.371·29-s + 1.41·32-s + 0.169·35-s + 0.986·37-s − 0.324·38-s − 0.156·41-s + 0.762·43-s + 0.301·44-s + 0.884·46-s − 1.75·47-s + 1/7·49-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 18207 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 18207 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(18207\)    =    \(3^{2} \cdot 7 \cdot 17^{2}\)
Sign: $-1$
Analytic conductor: \(145.383\)
Root analytic conductor: \(12.0575\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 18207,\ (\ :1/2),\ -1)\)

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)$
bad3 \( 1 \)
7 \( 1 - T \)
17 \( 1 \)
good2 \( 1 + p T + p T^{2} \)
5 \( 1 - T + p T^{2} \)
11 \( 1 - T + p T^{2} \)
13 \( 1 - T + p T^{2} \)
19 \( 1 - T + p T^{2} \)
23 \( 1 + 3 T + p T^{2} \)
29 \( 1 + 2 T + p T^{2} \)
31 \( 1 + p T^{2} \)
37 \( 1 - 6 T + p T^{2} \)
41 \( 1 + T + p T^{2} \)
43 \( 1 - 5 T + p T^{2} \)
47 \( 1 + 12 T + p T^{2} \)
53 \( 1 + p T^{2} \)
59 \( 1 + p T^{2} \)
61 \( 1 - 2 T + p T^{2} \)
67 \( 1 + 8 T + p T^{2} \)
71 \( 1 + p T^{2} \)
73 \( 1 + 6 T + p T^{2} \)
79 \( 1 - 4 T + p T^{2} \)
83 \( 1 + 6 T + p T^{2} \)
89 \( 1 + 16 T + p T^{2} \)
97 \( 1 - 12 T + p T^{2} \)
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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

−16.27733521059200, −15.71646359319649, −15.11458940615957, −14.39228181989489, −13.93960733734659, −13.33718435649492, −12.79014063349970, −11.93933582870414, −11.34115267695040, −11.08619286724719, −10.14595105007049, −9.925421412220595, −9.344355971458100, −8.717447143909823, −8.263348657057438, −7.583892163353573, −7.209359276698433, −6.242382991290555, −5.914260441062576, −4.913668886722960, −4.287244319906367, −3.429518544094301, −2.390370008091537, −1.756968636309207, −1.076274622030772, 0, 1.076274622030772, 1.756968636309207, 2.390370008091537, 3.429518544094301, 4.287244319906367, 4.913668886722960, 5.914260441062576, 6.242382991290555, 7.209359276698433, 7.583892163353573, 8.263348657057438, 8.717447143909823, 9.344355971458100, 9.925421412220595, 10.14595105007049, 11.08619286724719, 11.34115267695040, 11.93933582870414, 12.79014063349970, 13.33718435649492, 13.93960733734659, 14.39228181989489, 15.11458940615957, 15.71646359319649, 16.27733521059200

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