Properties

Label 2-819-1.1-c1-0-24
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  + 2.37·2-s + 3.66·4-s + 2.66·5-s + 7-s + 3.95·8-s + 6.33·10-s − 1.57·11-s + 13-s + 2.37·14-s + 2.08·16-s − 4.75·17-s − 2.23·19-s + 9.74·20-s − 3.74·22-s − 5.84·23-s + 2.08·25-s + 2.37·26-s + 3.66·28-s − 4.23·29-s + 7.28·31-s − 2.94·32-s − 11.3·34-s + 2.66·35-s + 10.4·37-s − 5.32·38-s + 10.5·40-s + 2.25·41-s + ⋯
L(s)  = 1  + 1.68·2-s + 1.83·4-s + 1.19·5-s + 0.377·7-s + 1.39·8-s + 2.00·10-s − 0.475·11-s + 0.277·13-s + 0.635·14-s + 0.521·16-s − 1.15·17-s − 0.513·19-s + 2.17·20-s − 0.799·22-s − 1.21·23-s + 0.417·25-s + 0.466·26-s + 0.692·28-s − 0.786·29-s + 1.30·31-s − 0.520·32-s − 1.94·34-s + 0.449·35-s + 1.72·37-s − 0.863·38-s + 1.66·40-s + 0.351·41-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

\(L(1)\) \(\approx\) \(4.626267204\)
\(L(\frac12)\) \(\approx\) \(4.626267204\)
\(L(\frac{3}{2})\) 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 \( 1 - 2.37T + 2T^{2} \)
5 \( 1 - 2.66T + 5T^{2} \)
11 \( 1 + 1.57T + 11T^{2} \)
17 \( 1 + 4.75T + 17T^{2} \)
19 \( 1 + 2.23T + 19T^{2} \)
23 \( 1 + 5.84T + 23T^{2} \)
29 \( 1 + 4.23T + 29T^{2} \)
31 \( 1 - 7.28T + 31T^{2} \)
37 \( 1 - 10.4T + 37T^{2} \)
41 \( 1 - 2.25T + 41T^{2} \)
43 \( 1 - 0.913T + 43T^{2} \)
47 \( 1 - 2.09T + 47T^{2} \)
53 \( 1 + 1.08T + 53T^{2} \)
59 \( 1 - 12.3T + 59T^{2} \)
61 \( 1 + 7.51T + 61T^{2} \)
67 \( 1 + 15.6T + 67T^{2} \)
71 \( 1 + 10.0T + 71T^{2} \)
73 \( 1 - 15.0T + 73T^{2} \)
79 \( 1 + 11.7T + 79T^{2} \)
83 \( 1 + 7.42T + 83T^{2} \)
89 \( 1 - 11.1T + 89T^{2} \)
97 \( 1 + 14.6T + 97T^{2} \)
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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

−10.48819086093026217972273626851, −9.563651901187004207788368437387, −8.474512077034966190630921585682, −7.31967627776395811483665507546, −6.10072214084671699471370987012, −5.97736731001218146286314080687, −4.78869916393380660889032739047, −4.10924421135909017115088314113, −2.67595658066238511636727158123, −1.95596649930847849140520523718, 1.95596649930847849140520523718, 2.67595658066238511636727158123, 4.10924421135909017115088314113, 4.78869916393380660889032739047, 5.97736731001218146286314080687, 6.10072214084671699471370987012, 7.31967627776395811483665507546, 8.474512077034966190630921585682, 9.563651901187004207788368437387, 10.48819086093026217972273626851

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