Properties

Label 2-3e4-27.14-c8-0-5
Degree $2$
Conductor $81$
Sign $-0.924 + 0.382i$
Analytic cond. $32.9976$
Root an. cond. $5.74435$
Motivic weight $8$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−7.08 + 1.24i)2-s + (−191. + 69.8i)4-s + (−349. + 416. i)5-s + (22.4 + 8.16i)7-s + (2.86e3 − 1.65e3i)8-s + (1.95e3 − 3.38e3i)10-s + (1.54e4 + 1.84e4i)11-s + (−8.79e3 + 4.98e4i)13-s + (−169. − 29.8i)14-s + (2.18e4 − 1.82e4i)16-s + (3.75e4 + 2.16e4i)17-s + (−7.51e4 − 1.30e5i)19-s + (3.79e4 − 1.04e5i)20-s + (−1.32e5 − 1.11e5i)22-s + (1.08e5 + 2.99e5i)23-s + ⋯
L(s)  = 1  + (−0.442 + 0.0780i)2-s + (−0.749 + 0.272i)4-s + (−0.559 + 0.666i)5-s + (0.00933 + 0.00339i)7-s + (0.700 − 0.404i)8-s + (0.195 − 0.338i)10-s + (1.05 + 1.25i)11-s + (−0.308 + 1.74i)13-s + (−0.00440 − 0.000775i)14-s + (0.332 − 0.279i)16-s + (0.449 + 0.259i)17-s + (−0.576 − 0.999i)19-s + (0.237 − 0.652i)20-s + (−0.566 − 0.475i)22-s + (0.389 + 1.06i)23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 81 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.924 + 0.382i)\, \overline{\Lambda}(9-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 81 ^{s/2} \, \Gamma_{\C}(s+4) \, L(s)\cr =\mathstrut & (-0.924 + 0.382i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(81\)    =    \(3^{4}\)
Sign: $-0.924 + 0.382i$
Analytic conductor: \(32.9976\)
Root analytic conductor: \(5.74435\)
Motivic weight: \(8\)
Rational: no
Arithmetic: yes
Character: $\chi_{81} (71, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 81,\ (\ :4),\ -0.924 + 0.382i)\)

Particular Values

\(L(\frac{9}{2})\) \(\approx\) \(0.106682 - 0.536957i\)
\(L(\frac12)\) \(\approx\) \(0.106682 - 0.536957i\)
\(L(5)\) 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 \( 1 + (7.08 - 1.24i)T + (240. - 87.5i)T^{2} \)
5 \( 1 + (349. - 416. i)T + (-6.78e4 - 3.84e5i)T^{2} \)
7 \( 1 + (-22.4 - 8.16i)T + (4.41e6 + 3.70e6i)T^{2} \)
11 \( 1 + (-1.54e4 - 1.84e4i)T + (-3.72e7 + 2.11e8i)T^{2} \)
13 \( 1 + (8.79e3 - 4.98e4i)T + (-7.66e8 - 2.78e8i)T^{2} \)
17 \( 1 + (-3.75e4 - 2.16e4i)T + (3.48e9 + 6.04e9i)T^{2} \)
19 \( 1 + (7.51e4 + 1.30e5i)T + (-8.49e9 + 1.47e10i)T^{2} \)
23 \( 1 + (-1.08e5 - 2.99e5i)T + (-5.99e10 + 5.03e10i)T^{2} \)
29 \( 1 + (9.45e5 - 1.66e5i)T + (4.70e11 - 1.71e11i)T^{2} \)
31 \( 1 + (-7.36e5 + 2.68e5i)T + (6.53e11 - 5.48e11i)T^{2} \)
37 \( 1 + (-1.21e6 + 2.10e6i)T + (-1.75e12 - 3.04e12i)T^{2} \)
41 \( 1 + (2.52e6 + 4.45e5i)T + (7.50e12 + 2.73e12i)T^{2} \)
43 \( 1 + (2.24e6 - 1.88e6i)T + (2.02e12 - 1.15e13i)T^{2} \)
47 \( 1 + (-5.69e5 + 1.56e6i)T + (-1.82e13 - 1.53e13i)T^{2} \)
53 \( 1 - 3.88e6iT - 6.22e13T^{2} \)
59 \( 1 + (6.87e6 - 8.19e6i)T + (-2.54e13 - 1.44e14i)T^{2} \)
61 \( 1 + (1.49e7 + 5.43e6i)T + (1.46e14 + 1.23e14i)T^{2} \)
67 \( 1 + (-1.45e6 + 8.24e6i)T + (-3.81e14 - 1.38e14i)T^{2} \)
71 \( 1 + (-9.42e6 - 5.43e6i)T + (3.22e14 + 5.59e14i)T^{2} \)
73 \( 1 + (-1.18e7 - 2.05e7i)T + (-4.03e14 + 6.98e14i)T^{2} \)
79 \( 1 + (7.07e6 + 4.01e7i)T + (-1.42e15 + 5.18e14i)T^{2} \)
83 \( 1 + (-5.20e7 + 9.17e6i)T + (2.11e15 - 7.70e14i)T^{2} \)
89 \( 1 + (3.60e7 - 2.07e7i)T + (1.96e15 - 3.40e15i)T^{2} \)
97 \( 1 + (7.44e7 - 6.24e7i)T + (1.36e15 - 7.71e15i)T^{2} \)
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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

−13.35068491423764537153150022838, −12.11014745894133238706000248822, −11.19428245737643766960539183673, −9.650460949284994425840954673505, −9.077527682326151817954667844914, −7.50883014205989099900239860689, −6.80276684188780638975962478302, −4.64839093635536155968666587159, −3.72164402079532204636477438043, −1.68564844186726041207103404537, 0.24437971338486044797789373975, 1.09617112742461339471684656445, 3.44132200183908447453073985622, 4.77699512288524685193107863447, 6.01667368607377590120423180563, 8.053347515045690213740577565410, 8.511030401464694199409299133324, 9.792069472028183021382918712827, 10.83485922042245705476885349013, 12.15280036999732254565875748533

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