Properties

Label 2-20286-1.1-c1-0-34
Degree $2$
Conductor $20286$
Sign $1$
Analytic cond. $161.984$
Root an. cond. $12.7273$
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 + 2·5-s + 8-s + 2·10-s + 6·11-s + 6·13-s + 16-s − 2·17-s − 4·19-s + 2·20-s + 6·22-s − 23-s − 25-s + 6·26-s − 2·29-s − 6·31-s + 32-s − 2·34-s + 8·37-s − 4·38-s + 2·40-s + 2·43-s + 6·44-s − 46-s − 6·47-s − 50-s + ⋯
L(s)  = 1  + 0.707·2-s + 1/2·4-s + 0.894·5-s + 0.353·8-s + 0.632·10-s + 1.80·11-s + 1.66·13-s + 1/4·16-s − 0.485·17-s − 0.917·19-s + 0.447·20-s + 1.27·22-s − 0.208·23-s − 1/5·25-s + 1.17·26-s − 0.371·29-s − 1.07·31-s + 0.176·32-s − 0.342·34-s + 1.31·37-s − 0.648·38-s + 0.316·40-s + 0.304·43-s + 0.904·44-s − 0.147·46-s − 0.875·47-s − 0.141·50-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 20286 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 20286 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(20286\)    =    \(2 \cdot 3^{2} \cdot 7^{2} \cdot 23\)
Sign: $1$
Analytic conductor: \(161.984\)
Root analytic conductor: \(12.7273\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 20286,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(5.700481174\)
\(L(\frac12)\) \(\approx\) \(5.700481174\)
\(L(\frac{3}{2})\) 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 \( 1 \)
7 \( 1 \)
23 \( 1 + T \)
good5 \( 1 - 2 T + p T^{2} \)
11 \( 1 - 6 T + p T^{2} \)
13 \( 1 - 6 T + p T^{2} \)
17 \( 1 + 2 T + p T^{2} \)
19 \( 1 + 4 T + p T^{2} \)
29 \( 1 + 2 T + p T^{2} \)
31 \( 1 + 6 T + p T^{2} \)
37 \( 1 - 8 T + p T^{2} \)
41 \( 1 + p T^{2} \)
43 \( 1 - 2 T + p T^{2} \)
47 \( 1 + 6 T + p T^{2} \)
53 \( 1 + 4 T + p T^{2} \)
59 \( 1 - 8 T + p T^{2} \)
61 \( 1 - 2 T + p T^{2} \)
67 \( 1 - 6 T + p T^{2} \)
71 \( 1 - 8 T + p T^{2} \)
73 \( 1 + 4 T + p T^{2} \)
79 \( 1 - 4 T + p T^{2} \)
83 \( 1 - 12 T + p T^{2} \)
89 \( 1 - 6 T + p T^{2} \)
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

−15.59943313174612, −14.80554690140506, −14.60656526195606, −13.93189266034989, −13.54405035874560, −12.93067394784110, −12.64133934572079, −11.59368902335122, −11.42458578998074, −10.83052878901854, −10.16126490122501, −9.364780568971978, −9.076312622863317, −8.407459101325716, −7.670820744598356, −6.659073028000701, −6.412643860543325, −6.000223653562042, −5.309315867518304, −4.370590727829853, −3.867688395044688, −3.405944126566463, −2.197290875594444, −1.752437098540800, −0.9256640992084051, 0.9256640992084051, 1.752437098540800, 2.197290875594444, 3.405944126566463, 3.867688395044688, 4.370590727829853, 5.309315867518304, 6.000223653562042, 6.412643860543325, 6.659073028000701, 7.670820744598356, 8.407459101325716, 9.076312622863317, 9.364780568971978, 10.16126490122501, 10.83052878901854, 11.42458578998074, 11.59368902335122, 12.64133934572079, 12.93067394784110, 13.54405035874560, 13.93189266034989, 14.60656526195606, 14.80554690140506, 15.59943313174612

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