Normalization:  

Dirichlet series

L(s)  = 1  − 5-s + 3·7-s + 5·11-s + 4·13-s − 8·17-s + 2·19-s + 2·23-s − 4·25-s + 6·29-s − 7·31-s − 3·35-s − 6·37-s − 6·41-s − 2·43-s + 6·47-s + 2·49-s + 5·53-s − 5·55-s − 4·59-s − 8·61-s − 4·65-s − 10·67-s − 8·71-s + 73-s + 15·77-s + 16·79-s − 11·83-s + ⋯
L(s)  = 1  − 0.447·5-s + 1.13·7-s + 1.50·11-s + 1.10·13-s − 1.94·17-s + 0.458·19-s + 0.417·23-s − 4/5·25-s + 1.11·29-s − 1.25·31-s − 0.507·35-s − 0.986·37-s − 0.937·41-s − 0.304·43-s + 0.875·47-s + 2/7·49-s + 0.686·53-s − 0.674·55-s − 0.520·59-s − 1.02·61-s − 0.496·65-s − 1.22·67-s − 0.949·71-s + 0.117·73-s + 1.70·77-s + 1.80·79-s − 1.20·83-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 216 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 216 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(216\)    =    \(2^{3} \cdot 3^{3}\)
Sign: $1$
Analytic conductor: \(1.72476\)
Root analytic conductor: \(1.31330\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 216,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.310097070\)
\(L(\frac12)\) \(\approx\) \(1.310097070\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$Isogeny Class over $\mathbf{F}_p$
bad2 \( 1 \)
3 \( 1 \)
good5 \( 1 + T + p T^{2} \) 1.5.b
7 \( 1 - 3 T + p T^{2} \) 1.7.ad
11 \( 1 - 5 T + p T^{2} \) 1.11.af
13 \( 1 - 4 T + p T^{2} \) 1.13.ae
17 \( 1 + 8 T + p T^{2} \) 1.17.i
19 \( 1 - 2 T + p T^{2} \) 1.19.ac
23 \( 1 - 2 T + p T^{2} \) 1.23.ac
29 \( 1 - 6 T + p T^{2} \) 1.29.ag
31 \( 1 + 7 T + p T^{2} \) 1.31.h
37 \( 1 + 6 T + p T^{2} \) 1.37.g
41 \( 1 + 6 T + p T^{2} \) 1.41.g
43 \( 1 + 2 T + p T^{2} \) 1.43.c
47 \( 1 - 6 T + p T^{2} \) 1.47.ag
53 \( 1 - 5 T + p T^{2} \) 1.53.af
59 \( 1 + 4 T + p T^{2} \) 1.59.e
61 \( 1 + 8 T + p T^{2} \) 1.61.i
67 \( 1 + 10 T + p T^{2} \) 1.67.k
71 \( 1 + 8 T + p T^{2} \) 1.71.i
73 \( 1 - T + p T^{2} \) 1.73.ab
79 \( 1 - 16 T + p T^{2} \) 1.79.aq
83 \( 1 + 11 T + p T^{2} \) 1.83.l
89 \( 1 - 6 T + p T^{2} \) 1.89.ag
97 \( 1 + T + p T^{2} \) 1.97.b
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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

−12.01304030522806417002536112162, −11.41701038977233001912120795438, −10.67809890226062149255232022828, −9.046545135813963295999252728111, −8.554704477910262490194224105907, −7.25448367711369655898353657421, −6.23138020629374792100300833919, −4.71525232702415007486392238194, −3.74514947909231141400939990651, −1.64081961055094255152301138209, 1.64081961055094255152301138209, 3.74514947909231141400939990651, 4.71525232702415007486392238194, 6.23138020629374792100300833919, 7.25448367711369655898353657421, 8.554704477910262490194224105907, 9.046545135813963295999252728111, 10.67809890226062149255232022828, 11.41701038977233001912120795438, 12.01304030522806417002536112162

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