Properties

Label 2-3e3-27.5-c2-0-3
Degree $2$
Conductor $27$
Sign $0.614 + 0.788i$
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  + (−0.374 − 0.445i)2-s + (−0.428 − 2.96i)3-s + (0.635 − 3.60i)4-s + (2.62 + 7.20i)5-s + (−1.16 + 1.30i)6-s + (0.231 + 1.31i)7-s + (−3.86 + 2.22i)8-s + (−8.63 + 2.54i)9-s + (2.23 − 3.86i)10-s + (0.367 − 1.01i)11-s + (−10.9 − 0.343i)12-s + (16.0 + 13.4i)13-s + (0.498 − 0.594i)14-s + (20.2 − 10.8i)15-s + (−11.3 − 4.12i)16-s + (−12.1 − 7.03i)17-s + ⋯
L(s)  = 1  + (−0.187 − 0.222i)2-s + (−0.142 − 0.989i)3-s + (0.158 − 0.901i)4-s + (0.524 + 1.44i)5-s + (−0.193 + 0.216i)6-s + (0.0330 + 0.187i)7-s + (−0.482 + 0.278i)8-s + (−0.959 + 0.282i)9-s + (0.223 − 0.386i)10-s + (0.0334 − 0.0918i)11-s + (−0.914 − 0.0286i)12-s + (1.23 + 1.03i)13-s + (0.0356 − 0.0424i)14-s + (1.35 − 0.724i)15-s + (−0.707 − 0.257i)16-s + (−0.716 − 0.413i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 27 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.614 + 0.788i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 27 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (0.614 + 0.788i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(27\)    =    \(3^{3}\)
Sign: $0.614 + 0.788i$
Analytic conductor: \(0.735696\)
Root analytic conductor: \(0.857727\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{27} (5, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 27,\ (\ :1),\ 0.614 + 0.788i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.804550 - 0.392828i\)
\(L(\frac12)\) \(\approx\) \(0.804550 - 0.392828i\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + (0.428 + 2.96i)T \)
good2 \( 1 + (0.374 + 0.445i)T + (-0.694 + 3.93i)T^{2} \)
5 \( 1 + (-2.62 - 7.20i)T + (-19.1 + 16.0i)T^{2} \)
7 \( 1 + (-0.231 - 1.31i)T + (-46.0 + 16.7i)T^{2} \)
11 \( 1 + (-0.367 + 1.01i)T + (-92.6 - 77.7i)T^{2} \)
13 \( 1 + (-16.0 - 13.4i)T + (29.3 + 166. i)T^{2} \)
17 \( 1 + (12.1 + 7.03i)T + (144.5 + 250. i)T^{2} \)
19 \( 1 + (9.79 + 16.9i)T + (-180.5 + 312. i)T^{2} \)
23 \( 1 + (1.76 + 0.311i)T + (497. + 180. i)T^{2} \)
29 \( 1 + (25.8 + 30.7i)T + (-146. + 828. i)T^{2} \)
31 \( 1 + (2.95 - 16.7i)T + (-903. - 328. i)T^{2} \)
37 \( 1 + (-1.80 + 3.11i)T + (-684.5 - 1.18e3i)T^{2} \)
41 \( 1 + (3.09 - 3.68i)T + (-291. - 1.65e3i)T^{2} \)
43 \( 1 + (-16.1 - 5.87i)T + (1.41e3 + 1.18e3i)T^{2} \)
47 \( 1 + (-45.1 + 7.95i)T + (2.07e3 - 755. i)T^{2} \)
53 \( 1 - 51.2iT - 2.80e3T^{2} \)
59 \( 1 + (32.0 + 88.0i)T + (-2.66e3 + 2.23e3i)T^{2} \)
61 \( 1 + (3.88 + 22.0i)T + (-3.49e3 + 1.27e3i)T^{2} \)
67 \( 1 + (14.9 + 12.5i)T + (779. + 4.42e3i)T^{2} \)
71 \( 1 + (-74.9 - 43.2i)T + (2.52e3 + 4.36e3i)T^{2} \)
73 \( 1 + (-18.0 - 31.3i)T + (-2.66e3 + 4.61e3i)T^{2} \)
79 \( 1 + (22.3 - 18.7i)T + (1.08e3 - 6.14e3i)T^{2} \)
83 \( 1 + (76.1 + 90.8i)T + (-1.19e3 + 6.78e3i)T^{2} \)
89 \( 1 + (-104. + 60.5i)T + (3.96e3 - 6.85e3i)T^{2} \)
97 \( 1 + (-9.05 - 3.29i)T + (7.20e3 + 6.04e3i)T^{2} \)
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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

−17.46072013446407250098600019962, −15.51091639086990433695649872811, −14.25947165488612370124488946487, −13.53205631997774705133214755512, −11.44875376958992246024649542604, −10.81846541663677018439771637081, −9.088643622524829271271600601183, −6.87615320080910192965153021905, −6.06307413647121780568827760655, −2.24960862630413174051912956637, 3.99778883427206642462520436874, 5.77221167186882453221502391571, 8.293069921214032223450690307573, 9.123191937857592511813552675435, 10.76692240834658611505665929639, 12.39229955576414426166924951594, 13.38359417497739028581714084844, 15.32274356385907501354259025964, 16.35549861357028339763021860279, 16.98731242429170735378434701116

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