Properties

Label 2-1620-1.1-c3-0-2
Degree $2$
Conductor $1620$
Sign $1$
Analytic cond. $95.5830$
Root an. cond. $9.77666$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 5·5-s − 13.7·7-s − 21.6·11-s − 79.6·13-s + 64.3·17-s − 144.·19-s + 26.9·23-s + 25·25-s − 297.·29-s − 96.6·31-s + 68.6·35-s + 401.·37-s + 11.6·41-s + 292.·43-s − 175.·47-s − 154.·49-s − 155.·53-s + 108.·55-s − 595.·59-s − 62.1·61-s + 398.·65-s − 160.·67-s + 959.·71-s + 763.·73-s + 297.·77-s + 63.9·79-s − 917.·83-s + ⋯
L(s)  = 1  − 0.447·5-s − 0.741·7-s − 0.593·11-s − 1.69·13-s + 0.918·17-s − 1.74·19-s + 0.244·23-s + 0.200·25-s − 1.90·29-s − 0.559·31-s + 0.331·35-s + 1.78·37-s + 0.0445·41-s + 1.03·43-s − 0.544·47-s − 0.450·49-s − 0.402·53-s + 0.265·55-s − 1.31·59-s − 0.130·61-s + 0.759·65-s − 0.292·67-s + 1.60·71-s + 1.22·73-s + 0.439·77-s + 0.0910·79-s − 1.21·83-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1620 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1620 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1620\)    =    \(2^{2} \cdot 3^{4} \cdot 5\)
Sign: $1$
Analytic conductor: \(95.5830\)
Root analytic conductor: \(9.77666\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1620,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(0.6457916172\)
\(L(\frac12)\) \(\approx\) \(0.6457916172\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 \)
5 \( 1 + 5T \)
good7 \( 1 + 13.7T + 343T^{2} \)
11 \( 1 + 21.6T + 1.33e3T^{2} \)
13 \( 1 + 79.6T + 2.19e3T^{2} \)
17 \( 1 - 64.3T + 4.91e3T^{2} \)
19 \( 1 + 144.T + 6.85e3T^{2} \)
23 \( 1 - 26.9T + 1.21e4T^{2} \)
29 \( 1 + 297.T + 2.43e4T^{2} \)
31 \( 1 + 96.6T + 2.97e4T^{2} \)
37 \( 1 - 401.T + 5.06e4T^{2} \)
41 \( 1 - 11.6T + 6.89e4T^{2} \)
43 \( 1 - 292.T + 7.95e4T^{2} \)
47 \( 1 + 175.T + 1.03e5T^{2} \)
53 \( 1 + 155.T + 1.48e5T^{2} \)
59 \( 1 + 595.T + 2.05e5T^{2} \)
61 \( 1 + 62.1T + 2.26e5T^{2} \)
67 \( 1 + 160.T + 3.00e5T^{2} \)
71 \( 1 - 959.T + 3.57e5T^{2} \)
73 \( 1 - 763.T + 3.89e5T^{2} \)
79 \( 1 - 63.9T + 4.93e5T^{2} \)
83 \( 1 + 917.T + 5.71e5T^{2} \)
89 \( 1 - 1.31e3T + 7.04e5T^{2} \)
97 \( 1 + 128.T + 9.12e5T^{2} \)
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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

−9.273559638279700470607475550344, −7.977049687378150231834805646281, −7.59200589556325111531705795736, −6.67412740598814228921078783576, −5.77491269873650536578476233678, −4.86877840144332213006173628090, −3.97507822096900136832005260907, −2.95430044150271826404397509887, −2.07951230231892802828974818518, −0.36181427718427167762982813980, 0.36181427718427167762982813980, 2.07951230231892802828974818518, 2.95430044150271826404397509887, 3.97507822096900136832005260907, 4.86877840144332213006173628090, 5.77491269873650536578476233678, 6.67412740598814228921078783576, 7.59200589556325111531705795736, 7.977049687378150231834805646281, 9.273559638279700470607475550344

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