Properties

Label 2-3e3-27.14-c2-0-4
Degree $2$
Conductor $27$
Sign $0.930 + 0.366i$
Analytic cond. $0.735696$
Root an. cond. $0.857727$
Motivic weight $2$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (1.14 − 0.201i)2-s + (1.10 − 2.78i)3-s + (−2.49 + 0.907i)4-s + (−3.46 + 4.12i)5-s + (0.700 − 3.41i)6-s + (9.89 + 3.60i)7-s + (−6.68 + 3.86i)8-s + (−6.55 − 6.16i)9-s + (−3.12 + 5.41i)10-s + (−7.54 − 8.99i)11-s + (−0.223 + 7.95i)12-s + (1.95 − 11.0i)13-s + (12.0 + 2.12i)14-s + (7.67 + 14.2i)15-s + (1.25 − 1.05i)16-s + (2.73 + 1.57i)17-s + ⋯
L(s)  = 1  + (0.571 − 0.100i)2-s + (0.368 − 0.929i)3-s + (−0.623 + 0.226i)4-s + (−0.692 + 0.824i)5-s + (0.116 − 0.568i)6-s + (1.41 + 0.514i)7-s + (−0.836 + 0.482i)8-s + (−0.728 − 0.684i)9-s + (−0.312 + 0.541i)10-s + (−0.686 − 0.817i)11-s + (−0.0186 + 0.662i)12-s + (0.150 − 0.850i)13-s + (0.860 + 0.151i)14-s + (0.511 + 0.947i)15-s + (0.0786 − 0.0659i)16-s + (0.160 + 0.0929i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 27 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.930 + 0.366i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 27 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (0.930 + 0.366i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(27\)    =    \(3^{3}\)
Sign: $0.930 + 0.366i$
Analytic conductor: \(0.735696\)
Root analytic conductor: \(0.857727\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{27} (14, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 27,\ (\ :1),\ 0.930 + 0.366i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(1.11569 - 0.211812i\)
\(L(\frac12)\) \(\approx\) \(1.11569 - 0.211812i\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + (-1.10 + 2.78i)T \)
good2 \( 1 + (-1.14 + 0.201i)T + (3.75 - 1.36i)T^{2} \)
5 \( 1 + (3.46 - 4.12i)T + (-4.34 - 24.6i)T^{2} \)
7 \( 1 + (-9.89 - 3.60i)T + (37.5 + 31.4i)T^{2} \)
11 \( 1 + (7.54 + 8.99i)T + (-21.0 + 119. i)T^{2} \)
13 \( 1 + (-1.95 + 11.0i)T + (-158. - 57.8i)T^{2} \)
17 \( 1 + (-2.73 - 1.57i)T + (144.5 + 250. i)T^{2} \)
19 \( 1 + (-2.26 - 3.91i)T + (-180.5 + 312. i)T^{2} \)
23 \( 1 + (-6.80 - 18.7i)T + (-405. + 340. i)T^{2} \)
29 \( 1 + (-24.9 + 4.40i)T + (790. - 287. i)T^{2} \)
31 \( 1 + (20.7 - 7.56i)T + (736. - 617. i)T^{2} \)
37 \( 1 + (8.82 - 15.2i)T + (-684.5 - 1.18e3i)T^{2} \)
41 \( 1 + (12.2 + 2.16i)T + (1.57e3 + 574. i)T^{2} \)
43 \( 1 + (-27.9 + 23.4i)T + (321. - 1.82e3i)T^{2} \)
47 \( 1 + (4.24 - 11.6i)T + (-1.69e3 - 1.41e3i)T^{2} \)
53 \( 1 + 84.6iT - 2.80e3T^{2} \)
59 \( 1 + (43.8 - 52.3i)T + (-604. - 3.42e3i)T^{2} \)
61 \( 1 + (73.3 + 26.7i)T + (2.85e3 + 2.39e3i)T^{2} \)
67 \( 1 + (16.8 - 95.6i)T + (-4.21e3 - 1.53e3i)T^{2} \)
71 \( 1 + (-105. - 60.8i)T + (2.52e3 + 4.36e3i)T^{2} \)
73 \( 1 + (45.5 + 78.9i)T + (-2.66e3 + 4.61e3i)T^{2} \)
79 \( 1 + (3.54 + 20.0i)T + (-5.86e3 + 2.13e3i)T^{2} \)
83 \( 1 + (-31.1 + 5.48i)T + (6.47e3 - 2.35e3i)T^{2} \)
89 \( 1 + (-59.7 + 34.5i)T + (3.96e3 - 6.85e3i)T^{2} \)
97 \( 1 + (61.1 - 51.2i)T + (1.63e3 - 9.26e3i)T^{2} \)
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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

−17.59578660582892650565811896463, −15.27855974107988806540606453480, −14.44804027433038333380694780076, −13.44328312849917082649474013361, −12.12132147718583582571352224526, −11.10947671057623635375213095342, −8.529405701842023629514306966778, −7.72499551191467243402003880822, −5.49214456490261021160277510317, −3.17291295981890853850787157365, 4.34256022521148823902283242920, 4.91526461161042851879146963727, 8.000233054041624668843587889173, 9.160998548911630437439014342933, 10.75178150676235283218372276269, 12.27014451453358708409168330567, 13.82555964868480975315185158294, 14.69312133283075074178114468986, 15.72398204618220587288620432950, 17.00042772337849543450879926640

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