Properties

Label 2-864-1.1-c1-0-7
Degree $2$
Conductor $864$
Sign $1$
Analytic cond. $6.89907$
Root an. cond. $2.62660$
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  + 5-s + 3·7-s + 3·11-s − 4·17-s + 6·19-s − 6·23-s − 4·25-s + 2·29-s + 9·31-s + 3·35-s − 2·37-s + 10·41-s + 6·43-s − 6·47-s + 2·49-s − 13·53-s + 3·55-s + 12·59-s + 8·61-s + 6·67-s − 12·71-s + 9·73-s + 9·77-s + 3·83-s − 4·85-s − 14·89-s + 6·95-s + ⋯
L(s)  = 1  + 0.447·5-s + 1.13·7-s + 0.904·11-s − 0.970·17-s + 1.37·19-s − 1.25·23-s − 4/5·25-s + 0.371·29-s + 1.61·31-s + 0.507·35-s − 0.328·37-s + 1.56·41-s + 0.914·43-s − 0.875·47-s + 2/7·49-s − 1.78·53-s + 0.404·55-s + 1.56·59-s + 1.02·61-s + 0.733·67-s − 1.42·71-s + 1.05·73-s + 1.02·77-s + 0.329·83-s − 0.433·85-s − 1.48·89-s + 0.615·95-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 864 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 864 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(864\)    =    \(2^{5} \cdot 3^{3}\)
Sign: $1$
Analytic conductor: \(6.89907\)
Root analytic conductor: \(2.62660\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 864,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.990665785\)
\(L(\frac12)\) \(\approx\) \(1.990665785\)
\(L(\frac{3}{2})\) 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 \( 1 \)
good5 \( 1 - T + p T^{2} \)
7 \( 1 - 3 T + p T^{2} \)
11 \( 1 - 3 T + p T^{2} \)
13 \( 1 + p T^{2} \)
17 \( 1 + 4 T + p T^{2} \)
19 \( 1 - 6 T + p T^{2} \)
23 \( 1 + 6 T + p T^{2} \)
29 \( 1 - 2 T + p T^{2} \)
31 \( 1 - 9 T + p T^{2} \)
37 \( 1 + 2 T + p T^{2} \)
41 \( 1 - 10 T + p T^{2} \)
43 \( 1 - 6 T + p T^{2} \)
47 \( 1 + 6 T + p T^{2} \)
53 \( 1 + 13 T + p T^{2} \)
59 \( 1 - 12 T + p T^{2} \)
61 \( 1 - 8 T + p T^{2} \)
67 \( 1 - 6 T + p T^{2} \)
71 \( 1 + 12 T + p T^{2} \)
73 \( 1 - 9 T + p T^{2} \)
79 \( 1 + p T^{2} \)
83 \( 1 - 3 T + p T^{2} \)
89 \( 1 + 14 T + p T^{2} \)
97 \( 1 + 9 T + p T^{2} \)
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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

−10.00944520964452327346869373966, −9.431460471113781929238357373315, −8.407677972284915769308736818385, −7.75120135592916568614052087932, −6.65325213254225917768927617170, −5.81482520780945663550334444725, −4.78635677042327797457152601343, −3.94091986861202608778869492074, −2.42238256260612007081644598630, −1.30229225574123782841215729642, 1.30229225574123782841215729642, 2.42238256260612007081644598630, 3.94091986861202608778869492074, 4.78635677042327797457152601343, 5.81482520780945663550334444725, 6.65325213254225917768927617170, 7.75120135592916568614052087932, 8.407677972284915769308736818385, 9.431460471113781929238357373315, 10.00944520964452327346869373966

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