Properties

Label 2-3e3-27.4-c7-0-19
Degree $2$
Conductor $27$
Sign $-0.644 + 0.764i$
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  + (6.42 + 2.33i)2-s + (21.8 − 41.3i)3-s + (−62.2 − 52.2i)4-s + (40.2 − 228. i)5-s + (237. − 214. i)6-s + (−1.34e3 + 1.12e3i)7-s + (−715. − 1.23e3i)8-s + (−1.23e3 − 1.80e3i)9-s + (793. − 1.37e3i)10-s + (151. + 860. i)11-s + (−3.51e3 + 1.43e3i)12-s + (8.11e3 − 2.95e3i)13-s + (−1.12e4 + 4.11e3i)14-s + (−8.56e3 − 6.65e3i)15-s + (105. + 599. i)16-s + (1.90e4 − 3.30e4i)17-s + ⋯
L(s)  = 1  + (0.568 + 0.206i)2-s + (0.466 − 0.884i)3-s + (−0.486 − 0.407i)4-s + (0.144 − 0.817i)5-s + (0.448 − 0.405i)6-s + (−1.48 + 1.24i)7-s + (−0.494 − 0.855i)8-s + (−0.564 − 0.825i)9-s + (0.250 − 0.434i)10-s + (0.0343 + 0.194i)11-s + (−0.587 + 0.239i)12-s + (1.02 − 0.372i)13-s + (−1.10 + 0.400i)14-s + (−0.655 − 0.508i)15-s + (0.00644 + 0.0365i)16-s + (0.941 − 1.63i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 27 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.644 + 0.764i)\, \overline{\Lambda}(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 27 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & (-0.644 + 0.764i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(27\)    =    \(3^{3}\)
Sign: $-0.644 + 0.764i$
Analytic conductor: \(8.43439\)
Root analytic conductor: \(2.90420\)
Motivic weight: \(7\)
Rational: no
Arithmetic: yes
Character: $\chi_{27} (4, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 27,\ (\ :7/2),\ -0.644 + 0.764i)\)

Particular Values

\(L(4)\) \(\approx\) \(0.678001 - 1.45937i\)
\(L(\frac12)\) \(\approx\) \(0.678001 - 1.45937i\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + (-21.8 + 41.3i)T \)
good2 \( 1 + (-6.42 - 2.33i)T + (98.0 + 82.2i)T^{2} \)
5 \( 1 + (-40.2 + 228. i)T + (-7.34e4 - 2.67e4i)T^{2} \)
7 \( 1 + (1.34e3 - 1.12e3i)T + (1.43e5 - 8.11e5i)T^{2} \)
11 \( 1 + (-151. - 860. i)T + (-1.83e7 + 6.66e6i)T^{2} \)
13 \( 1 + (-8.11e3 + 2.95e3i)T + (4.80e7 - 4.03e7i)T^{2} \)
17 \( 1 + (-1.90e4 + 3.30e4i)T + (-2.05e8 - 3.55e8i)T^{2} \)
19 \( 1 + (1.45e4 + 2.51e4i)T + (-4.46e8 + 7.74e8i)T^{2} \)
23 \( 1 + (228. + 191. i)T + (5.91e8 + 3.35e9i)T^{2} \)
29 \( 1 + (-1.25e5 - 4.55e4i)T + (1.32e10 + 1.10e10i)T^{2} \)
31 \( 1 + (5.74e4 + 4.82e4i)T + (4.77e9 + 2.70e10i)T^{2} \)
37 \( 1 + (1.92e4 - 3.33e4i)T + (-4.74e10 - 8.22e10i)T^{2} \)
41 \( 1 + (-1.34e5 + 4.89e4i)T + (1.49e11 - 1.25e11i)T^{2} \)
43 \( 1 + (8.13e4 + 4.61e5i)T + (-2.55e11 + 9.29e10i)T^{2} \)
47 \( 1 + (7.78e5 - 6.53e5i)T + (8.79e10 - 4.98e11i)T^{2} \)
53 \( 1 - 6.19e5T + 1.17e12T^{2} \)
59 \( 1 + (1.48e5 - 8.40e5i)T + (-2.33e12 - 8.51e11i)T^{2} \)
61 \( 1 + (1.41e6 - 1.19e6i)T + (5.45e11 - 3.09e12i)T^{2} \)
67 \( 1 + (-3.11e6 + 1.13e6i)T + (4.64e12 - 3.89e12i)T^{2} \)
71 \( 1 + (-1.32e6 + 2.29e6i)T + (-4.54e12 - 7.87e12i)T^{2} \)
73 \( 1 + (3.07e5 + 5.32e5i)T + (-5.52e12 + 9.56e12i)T^{2} \)
79 \( 1 + (-5.78e6 - 2.10e6i)T + (1.47e13 + 1.23e13i)T^{2} \)
83 \( 1 + (4.69e6 + 1.70e6i)T + (2.07e13 + 1.74e13i)T^{2} \)
89 \( 1 + (-1.66e6 - 2.88e6i)T + (-2.21e13 + 3.83e13i)T^{2} \)
97 \( 1 + (-5.56e4 - 3.15e5i)T + (-7.59e13 + 2.76e13i)T^{2} \)
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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

−15.22983427608317022406722819014, −13.75889157471032178719259893060, −12.93207383714350143959406039479, −12.20468968063273079983033802242, −9.493165982484581347324294522973, −8.789123303212157192713382766693, −6.56993398189679168142849927431, −5.41054372683560796906652518936, −3.06926052923468877734174686052, −0.65964812376697659128085462315, 3.30766717469421775072821620773, 3.93022141217320871591809992781, 6.25128947513338406887721632968, 8.276734777414860586770156572466, 9.895083150617454037233392968653, 10.78307195692820298489885962808, 12.79140261489071125935347345605, 13.81566557450336884064212194632, 14.63324290606493383410272857477, 16.23719110735651674094798158368

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