Properties

Label 2-86640-1.1-c1-0-95
Degree $2$
Conductor $86640$
Sign $-1$
Analytic cond. $691.823$
Root an. cond. $26.3025$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 3-s + 5-s − 4·7-s + 9-s + 4·11-s + 2·13-s + 15-s − 2·17-s − 4·21-s + 8·23-s + 25-s + 27-s − 6·29-s + 4·31-s + 4·33-s − 4·35-s + 10·37-s + 2·39-s + 2·41-s − 12·43-s + 45-s + 9·49-s − 2·51-s − 6·53-s + 4·55-s − 10·61-s − 4·63-s + ⋯
L(s)  = 1  + 0.577·3-s + 0.447·5-s − 1.51·7-s + 1/3·9-s + 1.20·11-s + 0.554·13-s + 0.258·15-s − 0.485·17-s − 0.872·21-s + 1.66·23-s + 1/5·25-s + 0.192·27-s − 1.11·29-s + 0.718·31-s + 0.696·33-s − 0.676·35-s + 1.64·37-s + 0.320·39-s + 0.312·41-s − 1.82·43-s + 0.149·45-s + 9/7·49-s − 0.280·51-s − 0.824·53-s + 0.539·55-s − 1.28·61-s − 0.503·63-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 86640 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 86640 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(86640\)    =    \(2^{4} \cdot 3 \cdot 5 \cdot 19^{2}\)
Sign: $-1$
Analytic conductor: \(691.823\)
Root analytic conductor: \(26.3025\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 86640,\ (\ :1/2),\ -1)\)

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)$
bad2 \( 1 \)
3 \( 1 - T \)
5 \( 1 - T \)
19 \( 1 \)
good7 \( 1 + 4 T + p T^{2} \)
11 \( 1 - 4 T + p T^{2} \)
13 \( 1 - 2 T + p T^{2} \)
17 \( 1 + 2 T + p T^{2} \)
23 \( 1 - 8 T + p T^{2} \)
29 \( 1 + 6 T + p T^{2} \)
31 \( 1 - 4 T + p T^{2} \)
37 \( 1 - 10 T + p T^{2} \)
41 \( 1 - 2 T + p T^{2} \)
43 \( 1 + 12 T + p T^{2} \)
47 \( 1 + p T^{2} \)
53 \( 1 + 6 T + p T^{2} \)
59 \( 1 + p T^{2} \)
61 \( 1 + 10 T + p T^{2} \)
67 \( 1 + 4 T + p T^{2} \)
71 \( 1 + 8 T + p T^{2} \)
73 \( 1 - 2 T + p T^{2} \)
79 \( 1 + 12 T + p T^{2} \)
83 \( 1 - 8 T + p T^{2} \)
89 \( 1 + 6 T + p T^{2} \)
97 \( 1 + 18 T + p T^{2} \)
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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

−14.10128868891077, −13.43270199026698, −13.22878650629845, −12.97403963313806, −12.22136708813274, −11.79894526380340, −10.94715223839450, −10.86664589965615, −9.864670003962275, −9.545491161176579, −9.339400870117523, −8.709813077596463, −8.317822576099138, −7.403452001300069, −6.968875364116418, −6.468059210229109, −6.135846736287056, −5.522913356778663, −4.587738573237262, −4.206674854382593, −3.344461437391882, −3.161831589982657, −2.482231243979510, −1.576606014766127, −1.051796046352562, 0, 1.051796046352562, 1.576606014766127, 2.482231243979510, 3.161831589982657, 3.344461437391882, 4.206674854382593, 4.587738573237262, 5.522913356778663, 6.135846736287056, 6.468059210229109, 6.968875364116418, 7.403452001300069, 8.317822576099138, 8.709813077596463, 9.339400870117523, 9.545491161176579, 9.864670003962275, 10.86664589965615, 10.94715223839450, 11.79894526380340, 12.22136708813274, 12.97403963313806, 13.22878650629845, 13.43270199026698, 14.10128868891077

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