Properties

Label 2-3e3-27.16-c7-0-8
Degree $2$
Conductor $27$
Sign $-0.703 - 0.710i$
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  + (14.6 + 12.2i)2-s + (−8.64 + 45.9i)3-s + (40.9 + 232. i)4-s + (357. + 130. i)5-s + (−689. + 565. i)6-s + (177. − 1.00e3i)7-s + (−1.02e3 + 1.77e3i)8-s + (−2.03e3 − 794. i)9-s + (3.62e3 + 6.27e3i)10-s + (−5.22e3 + 1.90e3i)11-s + (−1.10e4 − 125. i)12-s + (7.02e3 − 5.89e3i)13-s + (1.49e4 − 1.25e4i)14-s + (−9.06e3 + 1.52e4i)15-s + (−8.45e3 + 3.07e3i)16-s + (801. + 1.38e3i)17-s + ⋯
L(s)  = 1  + (1.29 + 1.08i)2-s + (−0.184 + 0.982i)3-s + (0.319 + 1.81i)4-s + (1.27 + 0.465i)5-s + (−1.30 + 1.06i)6-s + (0.195 − 1.11i)7-s + (−0.709 + 1.22i)8-s + (−0.931 − 0.363i)9-s + (1.14 + 1.98i)10-s + (−1.18 + 0.430i)11-s + (−1.84 − 0.0208i)12-s + (0.887 − 0.744i)13-s + (1.45 − 1.22i)14-s + (−0.693 + 1.17i)15-s + (−0.515 + 0.187i)16-s + (0.0395 + 0.0685i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 27 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.703 - 0.710i)\, \overline{\Lambda}(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 27 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & (-0.703 - 0.710i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(27\)    =    \(3^{3}\)
Sign: $-0.703 - 0.710i$
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: \((2,\ 27,\ (\ :7/2),\ -0.703 - 0.710i)\)

Particular Values

\(L(4)\) \(\approx\) \(1.35857 + 3.25708i\)
\(L(\frac12)\) \(\approx\) \(1.35857 + 3.25708i\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + (8.64 - 45.9i)T \)
good2 \( 1 + (-14.6 - 12.2i)T + (22.2 + 126. i)T^{2} \)
5 \( 1 + (-357. - 130. i)T + (5.98e4 + 5.02e4i)T^{2} \)
7 \( 1 + (-177. + 1.00e3i)T + (-7.73e5 - 2.81e5i)T^{2} \)
11 \( 1 + (5.22e3 - 1.90e3i)T + (1.49e7 - 1.25e7i)T^{2} \)
13 \( 1 + (-7.02e3 + 5.89e3i)T + (1.08e7 - 6.17e7i)T^{2} \)
17 \( 1 + (-801. - 1.38e3i)T + (-2.05e8 + 3.55e8i)T^{2} \)
19 \( 1 + (-1.53e4 + 2.65e4i)T + (-4.46e8 - 7.74e8i)T^{2} \)
23 \( 1 + (-1.87e4 - 1.06e5i)T + (-3.19e9 + 1.16e9i)T^{2} \)
29 \( 1 + (1.22e5 + 1.03e5i)T + (2.99e9 + 1.69e10i)T^{2} \)
31 \( 1 + (-1.23e3 - 7.02e3i)T + (-2.58e10 + 9.40e9i)T^{2} \)
37 \( 1 + (-1.59e4 - 2.76e4i)T + (-4.74e10 + 8.22e10i)T^{2} \)
41 \( 1 + (-2.33e3 + 1.95e3i)T + (3.38e10 - 1.91e11i)T^{2} \)
43 \( 1 + (3.78e5 - 1.37e5i)T + (2.08e11 - 1.74e11i)T^{2} \)
47 \( 1 + (4.41e4 - 2.50e5i)T + (-4.76e11 - 1.73e11i)T^{2} \)
53 \( 1 - 2.41e5T + 1.17e12T^{2} \)
59 \( 1 + (1.77e6 + 6.45e5i)T + (1.90e12 + 1.59e12i)T^{2} \)
61 \( 1 + (-5.53e5 + 3.13e6i)T + (-2.95e12 - 1.07e12i)T^{2} \)
67 \( 1 + (1.42e6 - 1.19e6i)T + (1.05e12 - 5.96e12i)T^{2} \)
71 \( 1 + (2.08e6 + 3.60e6i)T + (-4.54e12 + 7.87e12i)T^{2} \)
73 \( 1 + (1.18e5 - 2.05e5i)T + (-5.52e12 - 9.56e12i)T^{2} \)
79 \( 1 + (5.22e6 + 4.38e6i)T + (3.33e12 + 1.89e13i)T^{2} \)
83 \( 1 + (-7.40e6 - 6.21e6i)T + (4.71e12 + 2.67e13i)T^{2} \)
89 \( 1 + (-1.12e6 + 1.95e6i)T + (-2.21e13 - 3.83e13i)T^{2} \)
97 \( 1 + (-4.10e6 + 1.49e6i)T + (6.18e13 - 5.19e13i)T^{2} \)
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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

−15.84318758106661593200913890378, −15.05781011776727992595476203911, −13.72497334622914044785264549797, −13.30940952250493931687543451932, −10.99839266500062226285688303675, −9.834290490819120406890710318899, −7.57174535351941570184874621131, −5.97295443814600881895098972237, −4.99028573165609549437066682901, −3.33163474454408432018832304285, 1.55892129018318974862240275134, 2.61522977741815826375890191442, 5.29791433009801759835026923029, 6.01911396356348360223066500747, 8.714291434142891636832345897917, 10.58850359143399786755749093766, 11.88487946661422825254195152621, 12.87694331005243263852675889162, 13.55574897227129192512511452682, 14.57490438335021022276558816010

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