Properties

Label 2-3e3-27.4-c1-0-0
Degree $2$
Conductor $27$
Sign $0.787 + 0.615i$
Analytic cond. $0.215596$
Root an. cond. $0.464323$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−1.57 − 0.574i)2-s + (1.45 − 0.940i)3-s + (0.632 + 0.530i)4-s + (−0.196 + 1.11i)5-s + (−2.83 + 0.649i)6-s + (−2.99 + 2.51i)7-s + (0.987 + 1.70i)8-s + (1.23 − 2.73i)9-s + (0.949 − 1.64i)10-s + (−0.324 − 1.84i)11-s + (1.41 + 0.177i)12-s + (0.688 − 0.250i)13-s + (6.17 − 2.24i)14-s + (0.760 + 1.80i)15-s + (−0.862 − 4.89i)16-s + (−0.944 + 1.63i)17-s + ⋯
L(s)  = 1  + (−1.11 − 0.406i)2-s + (0.839 − 0.542i)3-s + (0.316 + 0.265i)4-s + (−0.0877 + 0.497i)5-s + (−1.15 + 0.265i)6-s + (−1.13 + 0.949i)7-s + (0.349 + 0.604i)8-s + (0.410 − 0.911i)9-s + (0.300 − 0.519i)10-s + (−0.0979 − 0.555i)11-s + (0.409 + 0.0511i)12-s + (0.190 − 0.0694i)13-s + (1.65 − 0.600i)14-s + (0.196 + 0.465i)15-s + (−0.215 − 1.22i)16-s + (−0.229 + 0.396i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 27 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.787 + 0.615i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 27 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.787 + 0.615i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(27\)    =    \(3^{3}\)
Sign: $0.787 + 0.615i$
Analytic conductor: \(0.215596\)
Root analytic conductor: \(0.464323\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{27} (4, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 27,\ (\ :1/2),\ 0.787 + 0.615i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.452032 - 0.155659i\)
\(L(\frac12)\) \(\approx\) \(0.452032 - 0.155659i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + (-1.45 + 0.940i)T \)
good2 \( 1 + (1.57 + 0.574i)T + (1.53 + 1.28i)T^{2} \)
5 \( 1 + (0.196 - 1.11i)T + (-4.69 - 1.71i)T^{2} \)
7 \( 1 + (2.99 - 2.51i)T + (1.21 - 6.89i)T^{2} \)
11 \( 1 + (0.324 + 1.84i)T + (-10.3 + 3.76i)T^{2} \)
13 \( 1 + (-0.688 + 0.250i)T + (9.95 - 8.35i)T^{2} \)
17 \( 1 + (0.944 - 1.63i)T + (-8.5 - 14.7i)T^{2} \)
19 \( 1 + (1.37 + 2.37i)T + (-9.5 + 16.4i)T^{2} \)
23 \( 1 + (4.46 + 3.74i)T + (3.99 + 22.6i)T^{2} \)
29 \( 1 + (-4.99 - 1.81i)T + (22.2 + 18.6i)T^{2} \)
31 \( 1 + (-1.02 - 0.861i)T + (5.38 + 30.5i)T^{2} \)
37 \( 1 + (1.69 - 2.94i)T + (-18.5 - 32.0i)T^{2} \)
41 \( 1 + (1.68 - 0.614i)T + (31.4 - 26.3i)T^{2} \)
43 \( 1 + (-0.873 - 4.95i)T + (-40.4 + 14.7i)T^{2} \)
47 \( 1 + (-1.30 + 1.09i)T + (8.16 - 46.2i)T^{2} \)
53 \( 1 - 2.84T + 53T^{2} \)
59 \( 1 + (1.95 - 11.0i)T + (-55.4 - 20.1i)T^{2} \)
61 \( 1 + (-4.00 + 3.36i)T + (10.5 - 60.0i)T^{2} \)
67 \( 1 + (-1.77 + 0.646i)T + (51.3 - 43.0i)T^{2} \)
71 \( 1 + (-6.09 + 10.5i)T + (-35.5 - 61.4i)T^{2} \)
73 \( 1 + (4.94 + 8.56i)T + (-36.5 + 63.2i)T^{2} \)
79 \( 1 + (11.6 + 4.22i)T + (60.5 + 50.7i)T^{2} \)
83 \( 1 + (-10.9 - 3.99i)T + (63.5 + 53.3i)T^{2} \)
89 \( 1 + (-2.86 - 4.96i)T + (-44.5 + 77.0i)T^{2} \)
97 \( 1 + (0.0596 + 0.338i)T + (-91.1 + 33.1i)T^{2} \)
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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

−17.87227482064302236619493481864, −16.19054223836369165575579832890, −14.88601694797514209754264147158, −13.53054307025110635066800909428, −12.17712864718856500124134216460, −10.49105977442757598117568611797, −9.199434506444025268088399254937, −8.311651096393578910188396666801, −6.51266386921068694724170514511, −2.77114971237151580849842537785, 4.03413317018922101146181010889, 7.06025365009650705601697038266, 8.352501640956398843040638514632, 9.592026069491252578168680347090, 10.31703685939222878699905660678, 12.81260397149346580597086378930, 13.89445308673065878690489974991, 15.70409327413887741392575552744, 16.30520389239434089377580965790, 17.35293925084269077196099575446

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