Properties

Label 2-86640-1.1-c1-0-75
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 + 6·13-s − 15-s − 2·17-s − 4·21-s + 8·23-s + 25-s + 27-s + 6·29-s + 4·35-s + 6·37-s + 6·39-s − 10·41-s + 4·43-s − 45-s − 8·47-s + 9·49-s − 2·51-s − 10·53-s + 6·61-s − 4·63-s − 6·65-s − 4·67-s + 8·69-s + ⋯
L(s)  = 1  + 0.577·3-s − 0.447·5-s − 1.51·7-s + 1/3·9-s + 1.66·13-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 + 0.676·35-s + 0.986·37-s + 0.960·39-s − 1.56·41-s + 0.609·43-s − 0.149·45-s − 1.16·47-s + 9/7·49-s − 0.280·51-s − 1.37·53-s + 0.768·61-s − 0.503·63-s − 0.744·65-s − 0.488·67-s + 0.963·69-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 \( 1 + p T^{2} \)
13 \( 1 - 6 T + p T^{2} \)
17 \( 1 + 2 T + p T^{2} \)
23 \( 1 - 8 T + p T^{2} \)
29 \( 1 - 6 T + p T^{2} \)
31 \( 1 + p T^{2} \)
37 \( 1 - 6 T + p T^{2} \)
41 \( 1 + 10 T + p T^{2} \)
43 \( 1 - 4 T + p T^{2} \)
47 \( 1 + 8 T + p T^{2} \)
53 \( 1 + 10 T + p T^{2} \)
59 \( 1 + p T^{2} \)
61 \( 1 - 6 T + p T^{2} \)
67 \( 1 + 4 T + p T^{2} \)
71 \( 1 + p T^{2} \)
73 \( 1 + 14 T + p T^{2} \)
79 \( 1 - 16 T + p T^{2} \)
83 \( 1 + 12 T + p T^{2} \)
89 \( 1 + 2 T + p T^{2} \)
97 \( 1 + 2 T + p T^{2} \)
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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

−14.10763690873169, −13.42526529326296, −13.23687837927822, −12.86238547524223, −12.34247282876092, −11.61582043795430, −11.18416040486341, −10.66862105114492, −10.14199583712511, −9.582814193323233, −9.097025937410634, −8.641763104606202, −8.280397090421469, −7.571611908663986, −6.929396398178358, −6.440332267610607, −6.271827725813961, −5.359416147307799, −4.683748694612177, −4.052604582975076, −3.484098897895166, −3.058212072779881, −2.650435916849987, −1.530926953850505, −0.9351017457386448, 0, 0.9351017457386448, 1.530926953850505, 2.650435916849987, 3.058212072779881, 3.484098897895166, 4.052604582975076, 4.683748694612177, 5.359416147307799, 6.271827725813961, 6.440332267610607, 6.929396398178358, 7.571611908663986, 8.280397090421469, 8.641763104606202, 9.097025937410634, 9.582814193323233, 10.14199583712511, 10.66862105114492, 11.18416040486341, 11.61582043795430, 12.34247282876092, 12.86238547524223, 13.23687837927822, 13.42526529326296, 14.10763690873169

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