Properties

Label 2-810-1.1-c1-0-6
Degree $2$
Conductor $810$
Sign $1$
Analytic cond. $6.46788$
Root an. cond. $2.54320$
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 + 6·11-s + 2·13-s − 14-s + 16-s − 4·19-s − 20-s + 6·22-s + 9·23-s + 25-s + 2·26-s − 28-s + 3·29-s − 4·31-s + 32-s + 35-s + 8·37-s − 4·38-s − 40-s − 3·41-s + 8·43-s + 6·44-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 + 1.80·11-s + 0.554·13-s − 0.267·14-s + 1/4·16-s − 0.917·19-s − 0.223·20-s + 1.27·22-s + 1.87·23-s + 1/5·25-s + 0.392·26-s − 0.188·28-s + 0.557·29-s − 0.718·31-s + 0.176·32-s + 0.169·35-s + 1.31·37-s − 0.648·38-s − 0.158·40-s − 0.468·41-s + 1.21·43-s + 0.904·44-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 810 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 810 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(810\)    =    \(2 \cdot 3^{4} \cdot 5\)
Sign: $1$
Analytic conductor: \(6.46788\)
Root analytic conductor: \(2.54320\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 810,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.394075810\)
\(L(\frac12)\) \(\approx\) \(2.394075810\)
\(L(\frac{3}{2})\) 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 \( 1 + T \)
good7 \( 1 + T + p T^{2} \)
11 \( 1 - 6 T + p T^{2} \)
13 \( 1 - 2 T + p T^{2} \)
17 \( 1 + p T^{2} \)
19 \( 1 + 4 T + p T^{2} \)
23 \( 1 - 9 T + p T^{2} \)
29 \( 1 - 3 T + p T^{2} \)
31 \( 1 + 4 T + p T^{2} \)
37 \( 1 - 8 T + p T^{2} \)
41 \( 1 + 3 T + p T^{2} \)
43 \( 1 - 8 T + p T^{2} \)
47 \( 1 + 3 T + p T^{2} \)
53 \( 1 - 6 T + p T^{2} \)
59 \( 1 - 6 T + p T^{2} \)
61 \( 1 + 13 T + p T^{2} \)
67 \( 1 + 13 T + p T^{2} \)
71 \( 1 + 6 T + p T^{2} \)
73 \( 1 + 4 T + p T^{2} \)
79 \( 1 + 10 T + p T^{2} \)
83 \( 1 + 9 T + p T^{2} \)
89 \( 1 - 9 T + p T^{2} \)
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

−10.46895616919797963639308649861, −9.228530484906492722876848200952, −8.717378153471938511526709867807, −7.42407483081609479054268881777, −6.62750192113583511421649895960, −5.99605261483170121408204274618, −4.63365408594636780088580922329, −3.90981816402000462440548769015, −2.95626008175642733558542036272, −1.29915321561212133045480179839, 1.29915321561212133045480179839, 2.95626008175642733558542036272, 3.90981816402000462440548769015, 4.63365408594636780088580922329, 5.99605261483170121408204274618, 6.62750192113583511421649895960, 7.42407483081609479054268881777, 8.717378153471938511526709867807, 9.228530484906492722876848200952, 10.46895616919797963639308649861

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