Properties

Label 2-3e3-9.4-c15-0-0
Degree $2$
Conductor $27$
Sign $0.776 - 0.630i$
Analytic cond. $38.5272$
Root an. cond. $6.20703$
Motivic weight $15$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−146. − 253. i)2-s + (−2.64e4 + 4.58e4i)4-s + (2.82e4 − 4.89e4i)5-s + (−1.25e5 − 2.16e5i)7-s + 5.90e6·8-s − 1.65e7·10-s + (−4.17e7 − 7.22e7i)11-s + (1.70e8 − 2.95e8i)13-s + (−3.66e7 + 6.34e7i)14-s + (3.01e6 + 5.21e6i)16-s − 3.82e8·17-s − 7.33e9·19-s + (1.49e9 + 2.59e9i)20-s + (−1.22e10 + 2.11e10i)22-s + (−3.07e9 + 5.32e9i)23-s + ⋯
L(s)  = 1  + (−0.808 − 1.40i)2-s + (−0.807 + 1.39i)4-s + (0.161 − 0.280i)5-s + (−0.0574 − 0.0995i)7-s + 0.995·8-s − 0.523·10-s + (−0.645 − 1.11i)11-s + (0.753 − 1.30i)13-s + (−0.0929 + 0.160i)14-s + (0.00280 + 0.00485i)16-s − 0.226·17-s − 1.88·19-s + (0.261 + 0.453i)20-s + (−1.04 + 1.80i)22-s + (−0.188 + 0.325i)23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 27 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.776 - 0.630i)\, \overline{\Lambda}(16-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 27 ^{s/2} \, \Gamma_{\C}(s+15/2) \, L(s)\cr =\mathstrut & (0.776 - 0.630i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(27\)    =    \(3^{3}\)
Sign: $0.776 - 0.630i$
Analytic conductor: \(38.5272\)
Root analytic conductor: \(6.20703\)
Motivic weight: \(15\)
Rational: no
Arithmetic: yes
Character: $\chi_{27} (10, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 27,\ (\ :15/2),\ 0.776 - 0.630i)\)

Particular Values

\(L(8)\) \(\approx\) \(0.01887021423\)
\(L(\frac12)\) \(\approx\) \(0.01887021423\)
\(L(\frac{17}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
good2 \( 1 + (146. + 253. i)T + (-1.63e4 + 2.83e4i)T^{2} \)
5 \( 1 + (-2.82e4 + 4.89e4i)T + (-1.52e10 - 2.64e10i)T^{2} \)
7 \( 1 + (1.25e5 + 2.16e5i)T + (-2.37e12 + 4.11e12i)T^{2} \)
11 \( 1 + (4.17e7 + 7.22e7i)T + (-2.08e15 + 3.61e15i)T^{2} \)
13 \( 1 + (-1.70e8 + 2.95e8i)T + (-2.55e16 - 4.43e16i)T^{2} \)
17 \( 1 + 3.82e8T + 2.86e18T^{2} \)
19 \( 1 + 7.33e9T + 1.51e19T^{2} \)
23 \( 1 + (3.07e9 - 5.32e9i)T + (-1.33e20 - 2.30e20i)T^{2} \)
29 \( 1 + (5.63e10 + 9.75e10i)T + (-4.31e21 + 7.47e21i)T^{2} \)
31 \( 1 + (7.82e10 - 1.35e11i)T + (-1.17e22 - 2.03e22i)T^{2} \)
37 \( 1 - 1.00e11T + 3.33e23T^{2} \)
41 \( 1 + (-6.24e11 + 1.08e12i)T + (-7.77e23 - 1.34e24i)T^{2} \)
43 \( 1 + (-4.26e11 - 7.38e11i)T + (-1.58e24 + 2.75e24i)T^{2} \)
47 \( 1 + (-1.31e12 - 2.27e12i)T + (-6.03e24 + 1.04e25i)T^{2} \)
53 \( 1 + 4.33e12T + 7.31e25T^{2} \)
59 \( 1 + (1.60e13 - 2.77e13i)T + (-1.82e26 - 3.16e26i)T^{2} \)
61 \( 1 + (-1.45e13 - 2.51e13i)T + (-3.01e26 + 5.21e26i)T^{2} \)
67 \( 1 + (-2.19e13 + 3.80e13i)T + (-1.23e27 - 2.13e27i)T^{2} \)
71 \( 1 + 2.74e13T + 5.87e27T^{2} \)
73 \( 1 - 2.89e13T + 8.90e27T^{2} \)
79 \( 1 + (-1.04e14 - 1.80e14i)T + (-1.45e28 + 2.52e28i)T^{2} \)
83 \( 1 + (-1.12e14 - 1.95e14i)T + (-3.05e28 + 5.29e28i)T^{2} \)
89 \( 1 + 7.31e14T + 1.74e29T^{2} \)
97 \( 1 + (-2.06e14 - 3.57e14i)T + (-3.16e29 + 5.48e29i)T^{2} \)
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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

−13.37288270350110564482483987397, −12.65033813592589761613666788875, −11.04910473891502889992623297518, −10.51050853505732024552433649394, −8.986722161357410811886976905228, −8.102897873441249982837039382565, −5.79664707330306080099436048409, −3.73858297132736309734895552713, −2.50947851778755285758300368109, −1.03748168555116949798762223320, 0.008276424614857764645799641491, 2.02274490143347457724402363794, 4.49249865963253963660319618132, 6.16382505093091752421902997559, 7.03451991545075999338935305958, 8.389468642294388296089772603536, 9.456071565381350312452194719071, 10.78641875054738466581965584849, 12.71112199385641242105581214618, 14.29936305449013087897857677885

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