Properties

Label 2-3e4-27.2-c8-0-9
Degree $2$
Conductor $81$
Sign $0.431 - 0.902i$
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  + (7.92 + 1.39i)2-s + (−179. − 65.4i)4-s + (625. + 745. i)5-s + (845. − 307. i)7-s + (−3.11e3 − 1.79e3i)8-s + (3.91e3 + 6.77e3i)10-s + (1.59e4 − 1.89e4i)11-s + (4.11e3 + 2.33e4i)13-s + (7.13e3 − 1.25e3i)14-s + (1.53e4 + 1.28e4i)16-s + (−9.06e4 + 5.23e4i)17-s + (1.42e4 − 2.47e4i)19-s + (−6.36e4 − 1.74e5i)20-s + (1.52e5 − 1.28e5i)22-s + (−1.10e5 + 3.03e5i)23-s + ⋯
L(s)  = 1  + (0.495 + 0.0873i)2-s + (−0.702 − 0.255i)4-s + (1.00 + 1.19i)5-s + (0.352 − 0.128i)7-s + (−0.760 − 0.439i)8-s + (0.391 + 0.677i)10-s + (1.08 − 1.29i)11-s + (0.144 + 0.817i)13-s + (0.185 − 0.0327i)14-s + (0.233 + 0.196i)16-s + (−1.08 + 0.626i)17-s + (0.109 − 0.189i)19-s + (−0.397 − 1.09i)20-s + (0.651 − 0.546i)22-s + (−0.394 + 1.08i)23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 81 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.431 - 0.902i)\, \overline{\Lambda}(9-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 81 ^{s/2} \, \Gamma_{\C}(s+4) \, L(s)\cr =\mathstrut & (0.431 - 0.902i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(81\)    =    \(3^{4}\)
Sign: $0.431 - 0.902i$
Analytic conductor: \(32.9976\)
Root analytic conductor: \(5.74435\)
Motivic weight: \(8\)
Rational: no
Arithmetic: yes
Character: $\chi_{81} (8, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 81,\ (\ :4),\ 0.431 - 0.902i)\)

Particular Values

\(L(\frac{9}{2})\) \(\approx\) \(2.18451 + 1.37713i\)
\(L(\frac12)\) \(\approx\) \(2.18451 + 1.37713i\)
\(L(5)\) 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 \( 1 + (-7.92 - 1.39i)T + (240. + 87.5i)T^{2} \)
5 \( 1 + (-625. - 745. i)T + (-6.78e4 + 3.84e5i)T^{2} \)
7 \( 1 + (-845. + 307. i)T + (4.41e6 - 3.70e6i)T^{2} \)
11 \( 1 + (-1.59e4 + 1.89e4i)T + (-3.72e7 - 2.11e8i)T^{2} \)
13 \( 1 + (-4.11e3 - 2.33e4i)T + (-7.66e8 + 2.78e8i)T^{2} \)
17 \( 1 + (9.06e4 - 5.23e4i)T + (3.48e9 - 6.04e9i)T^{2} \)
19 \( 1 + (-1.42e4 + 2.47e4i)T + (-8.49e9 - 1.47e10i)T^{2} \)
23 \( 1 + (1.10e5 - 3.03e5i)T + (-5.99e10 - 5.03e10i)T^{2} \)
29 \( 1 + (-9.09e5 - 1.60e5i)T + (4.70e11 + 1.71e11i)T^{2} \)
31 \( 1 + (-1.44e6 - 5.24e5i)T + (6.53e11 + 5.48e11i)T^{2} \)
37 \( 1 + (-4.32e5 - 7.49e5i)T + (-1.75e12 + 3.04e12i)T^{2} \)
41 \( 1 + (1.02e6 - 1.81e5i)T + (7.50e12 - 2.73e12i)T^{2} \)
43 \( 1 + (-2.74e6 - 2.30e6i)T + (2.02e12 + 1.15e13i)T^{2} \)
47 \( 1 + (-4.26e4 - 1.17e5i)T + (-1.82e13 + 1.53e13i)T^{2} \)
53 \( 1 - 6.71e6iT - 6.22e13T^{2} \)
59 \( 1 + (5.75e6 + 6.85e6i)T + (-2.54e13 + 1.44e14i)T^{2} \)
61 \( 1 + (3.21e6 - 1.17e6i)T + (1.46e14 - 1.23e14i)T^{2} \)
67 \( 1 + (-4.19e6 - 2.37e7i)T + (-3.81e14 + 1.38e14i)T^{2} \)
71 \( 1 + (5.60e6 - 3.23e6i)T + (3.22e14 - 5.59e14i)T^{2} \)
73 \( 1 + (2.52e6 - 4.37e6i)T + (-4.03e14 - 6.98e14i)T^{2} \)
79 \( 1 + (-1.07e7 + 6.11e7i)T + (-1.42e15 - 5.18e14i)T^{2} \)
83 \( 1 + (-2.06e7 - 3.63e6i)T + (2.11e15 + 7.70e14i)T^{2} \)
89 \( 1 + (5.38e7 + 3.11e7i)T + (1.96e15 + 3.40e15i)T^{2} \)
97 \( 1 + (-1.11e8 - 9.38e7i)T + (1.36e15 + 7.71e15i)T^{2} \)
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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

−13.45662854476812880387383209984, −11.74575371515487908322903750426, −10.72534889038665698732647875587, −9.583036005236068169876251257583, −8.596899338314855269206751706966, −6.55430945268888075505955556603, −6.05195700194417452882938822798, −4.40661956620556834326879507222, −3.08069945722309576715785428392, −1.33424994608547132069978316449, 0.75923513711880618486399096571, 2.27990140543886823821328868119, 4.34821486151935100116833848128, 4.98495927909328931816492094162, 6.33851177687188859098076062075, 8.269854385008708697026546848864, 9.146955161410007369133702824154, 10.00844497621405339264454970571, 11.93774059155099765965917721375, 12.59801290916997164299143409189

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