Properties

Label 2-3e3-27.25-c1-0-1
Degree $2$
Conductor $27$
Sign $0.826 + 0.562i$
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  + (0.183 − 1.03i)2-s + (−1.72 + 0.0916i)3-s + (0.834 + 0.303i)4-s + (−1.33 + 1.12i)5-s + (−0.221 + 1.81i)6-s + (−2.31 + 0.841i)7-s + (1.52 − 2.63i)8-s + (2.98 − 0.317i)9-s + (0.920 + 1.59i)10-s + (−0.960 − 0.806i)11-s + (−1.47 − 0.449i)12-s + (−0.789 − 4.47i)13-s + (0.450 + 2.55i)14-s + (2.21 − 2.06i)15-s + (−1.09 − 0.921i)16-s + (3.32 + 5.75i)17-s + ⋯
L(s)  = 1  + (0.129 − 0.734i)2-s + (−0.998 + 0.0529i)3-s + (0.417 + 0.151i)4-s + (−0.598 + 0.501i)5-s + (−0.0904 + 0.740i)6-s + (−0.873 + 0.317i)7-s + (0.538 − 0.932i)8-s + (0.994 − 0.105i)9-s + (0.291 + 0.504i)10-s + (−0.289 − 0.243i)11-s + (−0.424 − 0.129i)12-s + (−0.219 − 1.24i)13-s + (0.120 + 0.682i)14-s + (0.570 − 0.532i)15-s + (−0.274 − 0.230i)16-s + (0.806 + 1.39i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 27 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.826 + 0.562i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 27 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.826 + 0.562i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(27\)    =    \(3^{3}\)
Sign: $0.826 + 0.562i$
Analytic conductor: \(0.215596\)
Root analytic conductor: \(0.464323\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{27} (25, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 27,\ (\ :1/2),\ 0.826 + 0.562i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.558592 - 0.172015i\)
\(L(\frac12)\) \(\approx\) \(0.558592 - 0.172015i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + (1.72 - 0.0916i)T \)
good2 \( 1 + (-0.183 + 1.03i)T + (-1.87 - 0.684i)T^{2} \)
5 \( 1 + (1.33 - 1.12i)T + (0.868 - 4.92i)T^{2} \)
7 \( 1 + (2.31 - 0.841i)T + (5.36 - 4.49i)T^{2} \)
11 \( 1 + (0.960 + 0.806i)T + (1.91 + 10.8i)T^{2} \)
13 \( 1 + (0.789 + 4.47i)T + (-12.2 + 4.44i)T^{2} \)
17 \( 1 + (-3.32 - 5.75i)T + (-8.5 + 14.7i)T^{2} \)
19 \( 1 + (0.124 - 0.215i)T + (-9.5 - 16.4i)T^{2} \)
23 \( 1 + (0.791 + 0.287i)T + (17.6 + 14.7i)T^{2} \)
29 \( 1 + (0.0889 - 0.504i)T + (-27.2 - 9.91i)T^{2} \)
31 \( 1 + (-0.770 - 0.280i)T + (23.7 + 19.9i)T^{2} \)
37 \( 1 + (1.30 + 2.25i)T + (-18.5 + 32.0i)T^{2} \)
41 \( 1 + (1.41 + 8.02i)T + (-38.5 + 14.0i)T^{2} \)
43 \( 1 + (-3.31 - 2.78i)T + (7.46 + 42.3i)T^{2} \)
47 \( 1 + (-4.98 + 1.81i)T + (36.0 - 30.2i)T^{2} \)
53 \( 1 + 10.4T + 53T^{2} \)
59 \( 1 + (2.30 - 1.93i)T + (10.2 - 58.1i)T^{2} \)
61 \( 1 + (2.70 - 0.986i)T + (46.7 - 39.2i)T^{2} \)
67 \( 1 + (-1.75 - 9.93i)T + (-62.9 + 22.9i)T^{2} \)
71 \( 1 + (0.0447 + 0.0774i)T + (-35.5 + 61.4i)T^{2} \)
73 \( 1 + (-2.66 + 4.60i)T + (-36.5 - 63.2i)T^{2} \)
79 \( 1 + (-0.829 + 4.70i)T + (-74.2 - 27.0i)T^{2} \)
83 \( 1 + (-1.39 + 7.91i)T + (-77.9 - 28.3i)T^{2} \)
89 \( 1 + (3.35 - 5.80i)T + (-44.5 - 77.0i)T^{2} \)
97 \( 1 + (-4.20 - 3.52i)T + (16.8 + 95.5i)T^{2} \)
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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

−17.27041545161542903522268396776, −16.04171777458762816651730397564, −15.25824199555523598898068478136, −12.87597695430516544210829255854, −12.24640299228232124653570192383, −10.91786897002129528975749832501, −10.15434837582262845810476258272, −7.52478072853952657584684600133, −5.99333211160525166453632063784, −3.46941127797150886877192563780, 4.80572426485302466151161265436, 6.44636889622299531201869147288, 7.53102393364548771339000669493, 9.798430816246424384668931499777, 11.37358457724085833965091123629, 12.33994372064912666209240580689, 13.94936806137024838968969533632, 15.66354308199993085027933152609, 16.29261293252171031524415064835, 16.98055354576521716765959420225

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