Properties

Label 2-3e3-9.7-c9-0-7
Degree $2$
Conductor $27$
Sign $-0.827 - 0.562i$
Analytic cond. $13.9059$
Root an. cond. $3.72907$
Motivic weight $9$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (19.8 − 34.4i)2-s + (−534. − 925. i)4-s + (−423. − 733. i)5-s + (3.52e3 − 6.10e3i)7-s − 2.21e4·8-s − 3.36e4·10-s + (−4.50e4 + 7.80e4i)11-s + (−3.42e4 − 5.93e4i)13-s + (−1.40e5 − 2.42e5i)14-s + (−1.66e5 + 2.88e5i)16-s + 2.35e5·17-s − 2.32e5·19-s + (−4.52e5 + 7.83e5i)20-s + (1.79e6 + 3.10e6i)22-s + (−1.33e5 − 2.30e5i)23-s + ⋯
L(s)  = 1  + (0.878 − 1.52i)2-s + (−1.04 − 1.80i)4-s + (−0.302 − 0.524i)5-s + (0.554 − 0.960i)7-s − 1.91·8-s − 1.06·10-s + (−0.927 + 1.60i)11-s + (−0.333 − 0.576i)13-s + (−0.974 − 1.68i)14-s + (−0.634 + 1.09i)16-s + 0.684·17-s − 0.410·19-s + (−0.632 + 1.09i)20-s + (1.63 + 2.82i)22-s + (−0.0991 − 0.171i)23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 27 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.827 - 0.562i)\, \overline{\Lambda}(10-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 27 ^{s/2} \, \Gamma_{\C}(s+9/2) \, L(s)\cr =\mathstrut & (-0.827 - 0.562i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(27\)    =    \(3^{3}\)
Sign: $-0.827 - 0.562i$
Analytic conductor: \(13.9059\)
Root analytic conductor: \(3.72907\)
Motivic weight: \(9\)
Rational: no
Arithmetic: yes
Character: $\chi_{27} (19, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 27,\ (\ :9/2),\ -0.827 - 0.562i)\)

Particular Values

\(L(5)\) \(\approx\) \(0.618122 + 2.00890i\)
\(L(\frac12)\) \(\approx\) \(0.618122 + 2.00890i\)
\(L(\frac{11}{2})\) 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 \( 1 + (-19.8 + 34.4i)T + (-256 - 443. i)T^{2} \)
5 \( 1 + (423. + 733. i)T + (-9.76e5 + 1.69e6i)T^{2} \)
7 \( 1 + (-3.52e3 + 6.10e3i)T + (-2.01e7 - 3.49e7i)T^{2} \)
11 \( 1 + (4.50e4 - 7.80e4i)T + (-1.17e9 - 2.04e9i)T^{2} \)
13 \( 1 + (3.42e4 + 5.93e4i)T + (-5.30e9 + 9.18e9i)T^{2} \)
17 \( 1 - 2.35e5T + 1.18e11T^{2} \)
19 \( 1 + 2.32e5T + 3.22e11T^{2} \)
23 \( 1 + (1.33e5 + 2.30e5i)T + (-9.00e11 + 1.55e12i)T^{2} \)
29 \( 1 + (-1.53e6 + 2.65e6i)T + (-7.25e12 - 1.25e13i)T^{2} \)
31 \( 1 + (1.79e6 + 3.11e6i)T + (-1.32e13 + 2.28e13i)T^{2} \)
37 \( 1 - 5.13e6T + 1.29e14T^{2} \)
41 \( 1 + (2.25e6 + 3.89e6i)T + (-1.63e14 + 2.83e14i)T^{2} \)
43 \( 1 + (-1.64e7 + 2.85e7i)T + (-2.51e14 - 4.35e14i)T^{2} \)
47 \( 1 + (-6.21e6 + 1.07e7i)T + (-5.59e14 - 9.69e14i)T^{2} \)
53 \( 1 + 3.42e7T + 3.29e15T^{2} \)
59 \( 1 + (2.27e7 + 3.94e7i)T + (-4.33e15 + 7.50e15i)T^{2} \)
61 \( 1 + (3.08e7 - 5.33e7i)T + (-5.84e15 - 1.01e16i)T^{2} \)
67 \( 1 + (2.92e6 + 5.06e6i)T + (-1.36e16 + 2.35e16i)T^{2} \)
71 \( 1 - 2.53e8T + 4.58e16T^{2} \)
73 \( 1 - 3.59e8T + 5.88e16T^{2} \)
79 \( 1 + (1.44e8 - 2.50e8i)T + (-5.99e16 - 1.03e17i)T^{2} \)
83 \( 1 + (2.26e8 - 3.92e8i)T + (-9.34e16 - 1.61e17i)T^{2} \)
89 \( 1 - 5.93e8T + 3.50e17T^{2} \)
97 \( 1 + (-1.49e8 + 2.58e8i)T + (-3.80e17 - 6.58e17i)T^{2} \)
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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

−14.12585058042354128008209926909, −12.87853311975753766969560619563, −12.18992226263073157987734683557, −10.71952577280110265858634113208, −9.899387755808831918337634900010, −7.72283730937880260156791796510, −5.05848594622856835514537886201, −4.13616946574229129997530827974, −2.25160222315048225002218129395, −0.66339547144627913308560476100, 3.16993302636041497619025270364, 5.05683610058195686712218766501, 6.13591381436553395343405200342, 7.66686847434013068278725716483, 8.698588551907869665130045991535, 11.15339609917140101475795659408, 12.61830132921133568038158455535, 13.97828242088550587276605978684, 14.78254777202029503706250649048, 15.80797553288447547593186918493

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