Properties

Label 2-3e3-27.16-c7-0-1
Degree $2$
Conductor $27$
Sign $-0.749 - 0.661i$
Analytic cond. $8.43439$
Root an. cond. $2.90420$
Motivic weight $7$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−4.30 − 3.60i)2-s + (−7.60 + 46.1i)3-s + (−16.7 − 94.9i)4-s + (201. + 73.4i)5-s + (199. − 171. i)6-s + (−20.5 + 116. i)7-s + (−630. + 1.09e3i)8-s + (−2.07e3 − 701. i)9-s + (−602. − 1.04e3i)10-s + (−4.02e3 + 1.46e3i)11-s + (4.51e3 − 50.4i)12-s + (−8.19e3 + 6.87e3i)13-s + (508. − 426. i)14-s + (−4.92e3 + 8.75e3i)15-s + (−4.94e3 + 1.80e3i)16-s + (6.75e3 + 1.17e4i)17-s + ⋯
L(s)  = 1  + (−0.380 − 0.319i)2-s + (−0.162 + 0.986i)3-s + (−0.130 − 0.742i)4-s + (0.721 + 0.262i)5-s + (0.376 − 0.323i)6-s + (−0.0226 + 0.128i)7-s + (−0.435 + 0.753i)8-s + (−0.947 − 0.320i)9-s + (−0.190 − 0.330i)10-s + (−0.911 + 0.331i)11-s + (0.753 − 0.00843i)12-s + (−1.03 + 0.867i)13-s + (0.0494 − 0.0415i)14-s + (−0.376 + 0.669i)15-s + (−0.302 + 0.109i)16-s + (0.333 + 0.577i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 27 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.749 - 0.661i)\, \overline{\Lambda}(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 27 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & (-0.749 - 0.661i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(27\)    =    \(3^{3}\)
Sign: $-0.749 - 0.661i$
Analytic conductor: \(8.43439\)
Root analytic conductor: \(2.90420\)
Motivic weight: \(7\)
Rational: no
Arithmetic: yes
Character: $\chi_{27} (16, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 27,\ (\ :7/2),\ -0.749 - 0.661i)\)

Particular Values

\(L(4)\) \(\approx\) \(0.199721 + 0.528406i\)
\(L(\frac12)\) \(\approx\) \(0.199721 + 0.528406i\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + (7.60 - 46.1i)T \)
good2 \( 1 + (4.30 + 3.60i)T + (22.2 + 126. i)T^{2} \)
5 \( 1 + (-201. - 73.4i)T + (5.98e4 + 5.02e4i)T^{2} \)
7 \( 1 + (20.5 - 116. i)T + (-7.73e5 - 2.81e5i)T^{2} \)
11 \( 1 + (4.02e3 - 1.46e3i)T + (1.49e7 - 1.25e7i)T^{2} \)
13 \( 1 + (8.19e3 - 6.87e3i)T + (1.08e7 - 6.17e7i)T^{2} \)
17 \( 1 + (-6.75e3 - 1.17e4i)T + (-2.05e8 + 3.55e8i)T^{2} \)
19 \( 1 + (1.85e4 - 3.21e4i)T + (-4.46e8 - 7.74e8i)T^{2} \)
23 \( 1 + (1.64e4 + 9.31e4i)T + (-3.19e9 + 1.16e9i)T^{2} \)
29 \( 1 + (-7.50e4 - 6.29e4i)T + (2.99e9 + 1.69e10i)T^{2} \)
31 \( 1 + (-3.54e4 - 2.00e5i)T + (-2.58e10 + 9.40e9i)T^{2} \)
37 \( 1 + (4.82e4 + 8.35e4i)T + (-4.74e10 + 8.22e10i)T^{2} \)
41 \( 1 + (-1.65e5 + 1.38e5i)T + (3.38e10 - 1.91e11i)T^{2} \)
43 \( 1 + (6.16e5 - 2.24e5i)T + (2.08e11 - 1.74e11i)T^{2} \)
47 \( 1 + (8.74e3 - 4.96e4i)T + (-4.76e11 - 1.73e11i)T^{2} \)
53 \( 1 - 1.83e5T + 1.17e12T^{2} \)
59 \( 1 + (-1.56e6 - 5.69e5i)T + (1.90e12 + 1.59e12i)T^{2} \)
61 \( 1 + (3.95e4 - 2.24e5i)T + (-2.95e12 - 1.07e12i)T^{2} \)
67 \( 1 + (1.05e6 - 8.84e5i)T + (1.05e12 - 5.96e12i)T^{2} \)
71 \( 1 + (1.09e6 + 1.89e6i)T + (-4.54e12 + 7.87e12i)T^{2} \)
73 \( 1 + (-2.04e6 + 3.54e6i)T + (-5.52e12 - 9.56e12i)T^{2} \)
79 \( 1 + (3.86e6 + 3.24e6i)T + (3.33e12 + 1.89e13i)T^{2} \)
83 \( 1 + (4.06e6 + 3.40e6i)T + (4.71e12 + 2.67e13i)T^{2} \)
89 \( 1 + (4.64e5 - 8.05e5i)T + (-2.21e13 - 3.83e13i)T^{2} \)
97 \( 1 + (-1.19e7 + 4.35e6i)T + (6.18e13 - 5.19e13i)T^{2} \)
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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

−16.29299835411761394647265805945, −14.82653054295686445149731259495, −14.21604019006796414839900952535, −12.16902672306586437128442077765, −10.40365741894066947537768648795, −10.13450084970434671244073280512, −8.704430238076124048420813363256, −6.13720613690911505986241012120, −4.78868134583489707137881948501, −2.28106756403211888439613252936, 0.30550852956295700361305348273, 2.64690133464629683658030478861, 5.48294835436887011925355576298, 7.19249688666119394024988048683, 8.191433451661650059824063705575, 9.743426112428911635512985858122, 11.67545797027731071045694419357, 13.00028967343643517467858244487, 13.55603200015986144259338186108, 15.49635069961791499240831549554

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