Properties

Label 2-819-1.1-c1-0-12
Degree $2$
Conductor $819$
Sign $1$
Analytic cond. $6.53974$
Root an. cond. $2.55729$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 0.792·2-s − 1.37·4-s + 2.52·5-s + 7-s − 2.67·8-s + 2·10-s + 3.46·11-s − 13-s + 0.792·14-s + 0.627·16-s + 1.58·17-s + 1.62·19-s − 3.46·20-s + 2.74·22-s + 4.40·23-s + 1.37·25-s − 0.792·26-s − 1.37·28-s − 5.98·29-s + 6.37·31-s + 5.84·32-s + 1.25·34-s + 2.52·35-s + 6.74·37-s + 1.28·38-s − 6.74·40-s − 1.58·41-s + ⋯
L(s)  = 1  + 0.560·2-s − 0.686·4-s + 1.12·5-s + 0.377·7-s − 0.944·8-s + 0.632·10-s + 1.04·11-s − 0.277·13-s + 0.211·14-s + 0.156·16-s + 0.384·17-s + 0.373·19-s − 0.774·20-s + 0.585·22-s + 0.918·23-s + 0.274·25-s − 0.155·26-s − 0.259·28-s − 1.11·29-s + 1.14·31-s + 1.03·32-s + 0.215·34-s + 0.426·35-s + 1.10·37-s + 0.209·38-s − 1.06·40-s − 0.247·41-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 819 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 819 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(819\)    =    \(3^{2} \cdot 7 \cdot 13\)
Sign: $1$
Analytic conductor: \(6.53974\)
Root analytic conductor: \(2.55729\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 819,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.221427981\)
\(L(\frac12)\) \(\approx\) \(2.221427981\)
\(L(\frac{3}{2})\) 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 \( 1 - T \)
13 \( 1 + T \)
good2 \( 1 - 0.792T + 2T^{2} \)
5 \( 1 - 2.52T + 5T^{2} \)
11 \( 1 - 3.46T + 11T^{2} \)
17 \( 1 - 1.58T + 17T^{2} \)
19 \( 1 - 1.62T + 19T^{2} \)
23 \( 1 - 4.40T + 23T^{2} \)
29 \( 1 + 5.98T + 29T^{2} \)
31 \( 1 - 6.37T + 31T^{2} \)
37 \( 1 - 6.74T + 37T^{2} \)
41 \( 1 + 1.58T + 41T^{2} \)
43 \( 1 - 11.1T + 43T^{2} \)
47 \( 1 + 9.15T + 47T^{2} \)
53 \( 1 + 0.939T + 53T^{2} \)
59 \( 1 + 5.04T + 59T^{2} \)
61 \( 1 - 6T + 61T^{2} \)
67 \( 1 + 8.74T + 67T^{2} \)
71 \( 1 - 1.58T + 71T^{2} \)
73 \( 1 - 8.37T + 73T^{2} \)
79 \( 1 + 11.8T + 79T^{2} \)
83 \( 1 + 12.3T + 83T^{2} \)
89 \( 1 - 2.52T + 89T^{2} \)
97 \( 1 - 3.62T + 97T^{2} \)
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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

−9.954707534196256647131430096300, −9.454866055208150250603768943460, −8.786522129115983082414957876230, −7.66446771099370676170080181524, −6.45345746824596232353535315252, −5.72976019489439689032558988227, −4.91732876589398239976105394569, −3.97169503762111151335883298448, −2.75758820417920982148698911055, −1.28002645204984240287764115096, 1.28002645204984240287764115096, 2.75758820417920982148698911055, 3.97169503762111151335883298448, 4.91732876589398239976105394569, 5.72976019489439689032558988227, 6.45345746824596232353535315252, 7.66446771099370676170080181524, 8.786522129115983082414957876230, 9.454866055208150250603768943460, 9.954707534196256647131430096300

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