Properties

Label 2-18207-1.1-c1-0-0
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 $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2·2-s + 2·4-s − 3·5-s − 7-s − 6·10-s − 3·11-s + 13-s − 2·14-s − 4·16-s − 7·19-s − 6·20-s − 6·22-s + 23-s + 4·25-s + 2·26-s − 2·28-s − 10·29-s − 4·31-s − 8·32-s + 3·35-s + 10·37-s − 14·38-s + 3·41-s − 11·43-s − 6·44-s + 2·46-s + 8·47-s + ⋯
L(s)  = 1  + 1.41·2-s + 4-s − 1.34·5-s − 0.377·7-s − 1.89·10-s − 0.904·11-s + 0.277·13-s − 0.534·14-s − 16-s − 1.60·19-s − 1.34·20-s − 1.27·22-s + 0.208·23-s + 4/5·25-s + 0.392·26-s − 0.377·28-s − 1.85·29-s − 0.718·31-s − 1.41·32-s + 0.507·35-s + 1.64·37-s − 2.27·38-s + 0.468·41-s − 1.67·43-s − 0.904·44-s + 0.294·46-s + 1.16·47-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: \(0\)
Selberg data: \((2,\ 18207,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.036320279\)
\(L(\frac12)\) \(\approx\) \(1.036320279\)
\(L(\frac{3}{2})\) 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 \( 1 + 3 T + p T^{2} \)
11 \( 1 + 3 T + p T^{2} \)
13 \( 1 - T + p T^{2} \)
19 \( 1 + 7 T + p T^{2} \)
23 \( 1 - T + p T^{2} \)
29 \( 1 + 10 T + p T^{2} \)
31 \( 1 + 4 T + p T^{2} \)
37 \( 1 - 10 T + p T^{2} \)
41 \( 1 - 3 T + p T^{2} \)
43 \( 1 + 11 T + p T^{2} \)
47 \( 1 - 8 T + p T^{2} \)
53 \( 1 - 4 T + p T^{2} \)
59 \( 1 + 4 T + p T^{2} \)
61 \( 1 + 10 T + p T^{2} \)
67 \( 1 + 8 T + p T^{2} \)
71 \( 1 - 8 T + p T^{2} \)
73 \( 1 - 2 T + p T^{2} \)
79 \( 1 + 16 T + p T^{2} \)
83 \( 1 + 6 T + p T^{2} \)
89 \( 1 - 8 T + p T^{2} \)
97 \( 1 - 4 T + p T^{2} \)
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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

−15.44509506193734, −15.17011467594523, −14.87910193485781, −14.18632760401685, −13.34485692097324, −13.04660900771915, −12.66473080169315, −12.09527963806191, −11.40316285006217, −11.07157423807630, −10.52829711139430, −9.615427156145204, −8.861137734338378, −8.376662201418341, −7.478715765344827, −7.294929931781450, −6.259422140999834, −5.910789798297299, −5.108949128128052, −4.422068086963811, −3.994583226741927, −3.417993517290124, −2.740736258272515, −1.938009082806612, −0.3173645055947231, 0.3173645055947231, 1.938009082806612, 2.740736258272515, 3.417993517290124, 3.994583226741927, 4.422068086963811, 5.108949128128052, 5.910789798297299, 6.259422140999834, 7.294929931781450, 7.478715765344827, 8.376662201418341, 8.861137734338378, 9.615427156145204, 10.52829711139430, 11.07157423807630, 11.40316285006217, 12.09527963806191, 12.66473080169315, 13.04660900771915, 13.34485692097324, 14.18632760401685, 14.87910193485781, 15.17011467594523, 15.44509506193734

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