Properties

Label 2-143e2-1.1-c1-0-6
Degree $2$
Conductor $20449$
Sign $1$
Analytic cond. $163.286$
Root an. cond. $12.7783$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $2$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2-s − 3-s − 4-s + 2·5-s − 6-s − 2·7-s − 3·8-s − 2·9-s + 2·10-s + 12-s − 2·14-s − 2·15-s − 16-s − 7·17-s − 2·18-s − 6·19-s − 2·20-s + 2·21-s − 23-s + 3·24-s − 25-s + 5·27-s + 2·28-s + 3·29-s − 2·30-s − 10·31-s + 5·32-s + ⋯
L(s)  = 1  + 0.707·2-s − 0.577·3-s − 1/2·4-s + 0.894·5-s − 0.408·6-s − 0.755·7-s − 1.06·8-s − 2/3·9-s + 0.632·10-s + 0.288·12-s − 0.534·14-s − 0.516·15-s − 1/4·16-s − 1.69·17-s − 0.471·18-s − 1.37·19-s − 0.447·20-s + 0.436·21-s − 0.208·23-s + 0.612·24-s − 1/5·25-s + 0.962·27-s + 0.377·28-s + 0.557·29-s − 0.365·30-s − 1.79·31-s + 0.883·32-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 20449 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 20449 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(20449\)    =    \(11^{2} \cdot 13^{2}\)
Sign: $1$
Analytic conductor: \(163.286\)
Root analytic conductor: \(12.7783\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(2\)
Selberg data: \((2,\ 20449,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad11 \( 1 \)
13 \( 1 \)
good2 \( 1 - T + p T^{2} \)
3 \( 1 + T + p T^{2} \)
5 \( 1 - 2 T + p T^{2} \)
7 \( 1 + 2 T + p T^{2} \)
17 \( 1 + 7 T + p T^{2} \)
19 \( 1 + 6 T + p T^{2} \)
23 \( 1 + T + p T^{2} \)
29 \( 1 - 3 T + p T^{2} \)
31 \( 1 + 10 T + p T^{2} \)
37 \( 1 + 6 T + p T^{2} \)
41 \( 1 + 2 T + p T^{2} \)
43 \( 1 - 3 T + p T^{2} \)
47 \( 1 + 2 T + p T^{2} \)
53 \( 1 + 9 T + p T^{2} \)
59 \( 1 + 8 T + p T^{2} \)
61 \( 1 + 15 T + p T^{2} \)
67 \( 1 + 2 T + p T^{2} \)
71 \( 1 - 6 T + p T^{2} \)
73 \( 1 - 4 T + p T^{2} \)
79 \( 1 + 11 T + p T^{2} \)
83 \( 1 + p T^{2} \)
89 \( 1 - 18 T + p T^{2} \)
97 \( 1 - 10 T + p T^{2} \)
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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

−16.04587291815915, −15.65480044318897, −14.91888606740595, −14.49117033386088, −13.78600110679779, −13.55428102177856, −12.86756850857429, −12.57557986674530, −12.00204224397909, −11.13537368480197, −10.81005050059432, −10.13472902106709, −9.409930585751689, −8.947761508402237, −8.631972462696028, −7.661631586075241, −6.521186155708332, −6.398410932791116, −5.917011817108814, −5.156814196276101, −4.694336545321085, −3.944471291947917, −3.219008277283329, −2.460738857049715, −1.723192366081595, 0, 0, 1.723192366081595, 2.460738857049715, 3.219008277283329, 3.944471291947917, 4.694336545321085, 5.156814196276101, 5.917011817108814, 6.398410932791116, 6.521186155708332, 7.661631586075241, 8.631972462696028, 8.947761508402237, 9.409930585751689, 10.13472902106709, 10.81005050059432, 11.13537368480197, 12.00204224397909, 12.57557986674530, 12.86756850857429, 13.55428102177856, 13.78600110679779, 14.49117033386088, 14.91888606740595, 15.65480044318897, 16.04587291815915

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