Properties

Label 2-8190-1.1-c1-0-6
Degree $2$
Conductor $8190$
Sign $1$
Analytic cond. $65.3974$
Root an. cond. $8.08687$
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-s + 4-s − 5-s + 7-s − 8-s + 10-s + 13-s − 14-s + 16-s − 6·17-s − 4·19-s − 20-s + 25-s − 26-s + 28-s − 6·29-s − 4·31-s − 32-s + 6·34-s − 35-s − 10·37-s + 4·38-s + 40-s − 6·41-s + 8·43-s + 49-s − 50-s + ⋯
L(s)  = 1  − 0.707·2-s + 1/2·4-s − 0.447·5-s + 0.377·7-s − 0.353·8-s + 0.316·10-s + 0.277·13-s − 0.267·14-s + 1/4·16-s − 1.45·17-s − 0.917·19-s − 0.223·20-s + 1/5·25-s − 0.196·26-s + 0.188·28-s − 1.11·29-s − 0.718·31-s − 0.176·32-s + 1.02·34-s − 0.169·35-s − 1.64·37-s + 0.648·38-s + 0.158·40-s − 0.937·41-s + 1.21·43-s + 1/7·49-s − 0.141·50-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 8190 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 8190 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(8190\)    =    \(2 \cdot 3^{2} \cdot 5 \cdot 7 \cdot 13\)
Sign: $1$
Analytic conductor: \(65.3974\)
Root analytic conductor: \(8.08687\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 8190,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.8709071618\)
\(L(\frac12)\) \(\approx\) \(0.8709071618\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + T \)
3 \( 1 \)
5 \( 1 + T \)
7 \( 1 - T \)
13 \( 1 - T \)
good11 \( 1 + p T^{2} \)
17 \( 1 + 6 T + p T^{2} \)
19 \( 1 + 4 T + p T^{2} \)
23 \( 1 + p T^{2} \)
29 \( 1 + 6 T + p T^{2} \)
31 \( 1 + 4 T + p T^{2} \)
37 \( 1 + 10 T + p T^{2} \)
41 \( 1 + 6 T + p T^{2} \)
43 \( 1 - 8 T + p T^{2} \)
47 \( 1 + p T^{2} \)
53 \( 1 - 6 T + p T^{2} \)
59 \( 1 - 12 T + p T^{2} \)
61 \( 1 - 14 T + p T^{2} \)
67 \( 1 + 4 T + p T^{2} \)
71 \( 1 + p T^{2} \)
73 \( 1 - 2 T + p T^{2} \)
79 \( 1 - 8 T + p T^{2} \)
83 \( 1 - 12 T + p T^{2} \)
89 \( 1 + 6 T + p T^{2} \)
97 \( 1 - 2 T + p T^{2} \)
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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

−7.938641635477663873446851167408, −7.03630321936057059723073246911, −6.79969598195925903738545151338, −5.79606452427756698131635363004, −5.08242666227609501064714245554, −4.12870066205105901167203744118, −3.58893656432863481313522630589, −2.35317997503702722569985565019, −1.81256610280880981690980954011, −0.49648263582545088333778996090, 0.49648263582545088333778996090, 1.81256610280880981690980954011, 2.35317997503702722569985565019, 3.58893656432863481313522630589, 4.12870066205105901167203744118, 5.08242666227609501064714245554, 5.79606452427756698131635363004, 6.79969598195925903738545151338, 7.03630321936057059723073246911, 7.938641635477663873446851167408

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