Properties

Label 2-3e3-27.4-c5-0-9
Degree $2$
Conductor $27$
Sign $0.981 - 0.190i$
Analytic cond. $4.33036$
Root an. cond. $2.08095$
Motivic weight $5$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (8.01 + 2.91i)2-s + (10.1 − 11.8i)3-s + (31.1 + 26.1i)4-s + (−3.30 + 18.7i)5-s + (116. − 64.8i)6-s + (−6.74 + 5.65i)7-s + (37.1 + 64.2i)8-s + (−35.6 − 240. i)9-s + (−81.1 + 140. i)10-s + (81.7 + 463. i)11-s + (626. − 101. i)12-s + (−883. + 321. i)13-s + (−70.5 + 25.6i)14-s + (187. + 229. i)15-s + (−116. − 659. i)16-s + (380. − 659. i)17-s + ⋯
L(s)  = 1  + (1.41 + 0.515i)2-s + (0.653 − 0.757i)3-s + (0.974 + 0.817i)4-s + (−0.0591 + 0.335i)5-s + (1.31 − 0.735i)6-s + (−0.0520 + 0.0436i)7-s + (0.204 + 0.354i)8-s + (−0.146 − 0.989i)9-s + (−0.256 + 0.444i)10-s + (0.203 + 1.15i)11-s + (1.25 − 0.203i)12-s + (−1.45 + 0.527i)13-s + (−0.0961 + 0.0350i)14-s + (0.215 + 0.263i)15-s + (−0.113 − 0.644i)16-s + (0.319 − 0.553i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 27 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.981 - 0.190i)\, \overline{\Lambda}(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 27 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & (0.981 - 0.190i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(27\)    =    \(3^{3}\)
Sign: $0.981 - 0.190i$
Analytic conductor: \(4.33036\)
Root analytic conductor: \(2.08095\)
Motivic weight: \(5\)
Rational: no
Arithmetic: yes
Character: $\chi_{27} (4, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 27,\ (\ :5/2),\ 0.981 - 0.190i)\)

Particular Values

\(L(3)\) \(\approx\) \(3.26544 + 0.314149i\)
\(L(\frac12)\) \(\approx\) \(3.26544 + 0.314149i\)
\(L(\frac{7}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + (-10.1 + 11.8i)T \)
good2 \( 1 + (-8.01 - 2.91i)T + (24.5 + 20.5i)T^{2} \)
5 \( 1 + (3.30 - 18.7i)T + (-2.93e3 - 1.06e3i)T^{2} \)
7 \( 1 + (6.74 - 5.65i)T + (2.91e3 - 1.65e4i)T^{2} \)
11 \( 1 + (-81.7 - 463. i)T + (-1.51e5 + 5.50e4i)T^{2} \)
13 \( 1 + (883. - 321. i)T + (2.84e5 - 2.38e5i)T^{2} \)
17 \( 1 + (-380. + 659. i)T + (-7.09e5 - 1.22e6i)T^{2} \)
19 \( 1 + (-40.7 - 70.5i)T + (-1.23e6 + 2.14e6i)T^{2} \)
23 \( 1 + (2.60e3 + 2.18e3i)T + (1.11e6 + 6.33e6i)T^{2} \)
29 \( 1 + (-558. - 203. i)T + (1.57e7 + 1.31e7i)T^{2} \)
31 \( 1 + (-7.07e3 - 5.93e3i)T + (4.97e6 + 2.81e7i)T^{2} \)
37 \( 1 + (-392. + 679. i)T + (-3.46e7 - 6.00e7i)T^{2} \)
41 \( 1 + (-1.77e4 + 6.47e3i)T + (8.87e7 - 7.44e7i)T^{2} \)
43 \( 1 + (-1.36e3 - 7.76e3i)T + (-1.38e8 + 5.02e7i)T^{2} \)
47 \( 1 + (-2.90e3 + 2.43e3i)T + (3.98e7 - 2.25e8i)T^{2} \)
53 \( 1 + 2.84e4T + 4.18e8T^{2} \)
59 \( 1 + (-358. + 2.03e3i)T + (-6.71e8 - 2.44e8i)T^{2} \)
61 \( 1 + (-1.77e4 + 1.49e4i)T + (1.46e8 - 8.31e8i)T^{2} \)
67 \( 1 + (-1.51e3 + 551. i)T + (1.03e9 - 8.67e8i)T^{2} \)
71 \( 1 + (-3.47e4 + 6.02e4i)T + (-9.02e8 - 1.56e9i)T^{2} \)
73 \( 1 + (-1.54e4 - 2.67e4i)T + (-1.03e9 + 1.79e9i)T^{2} \)
79 \( 1 + (9.41e4 + 3.42e4i)T + (2.35e9 + 1.97e9i)T^{2} \)
83 \( 1 + (8.76e4 + 3.18e4i)T + (3.01e9 + 2.53e9i)T^{2} \)
89 \( 1 + (1.75e4 + 3.04e4i)T + (-2.79e9 + 4.83e9i)T^{2} \)
97 \( 1 + (-2.17e4 - 1.23e5i)T + (-8.06e9 + 2.93e9i)T^{2} \)
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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

−15.81124744146591450815317341135, −14.48802015494252065206308819976, −14.27078288511419949728581924628, −12.63915993883754252514617190580, −12.09274756091837813169771886124, −9.611869228998927817530363105259, −7.49688843182185127339872476849, −6.57049979250353215918852577383, −4.57977087273315718014796751095, −2.66420024953358269769053918982, 2.79354250084406004528726882082, 4.22686285777494430660980835665, 5.61072595544171631706578498235, 8.215688904640030092152076637620, 9.936384438113297207218743117814, 11.36117758852813466081687534024, 12.67844141971945889662429670925, 13.85951653277550000392783376574, 14.68144554873194771549755458317, 15.79411701420922347282683972759

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