Properties

Label 2-3e4-1.1-c7-0-22
Degree $2$
Conductor $81$
Sign $-1$
Analytic cond. $25.3031$
Root an. cond. $5.03022$
Motivic weight $7$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 14.2·2-s + 74.5·4-s − 290.·5-s + 1.11e3·7-s − 760.·8-s − 4.13e3·10-s − 4.49e3·11-s + 2.43e3·13-s + 1.58e4·14-s − 2.03e4·16-s − 1.59e4·17-s − 4.99e4·19-s − 2.16e4·20-s − 6.39e4·22-s − 6.93e4·23-s + 6.32e3·25-s + 3.46e4·26-s + 8.28e4·28-s + 9.40e4·29-s − 1.99e4·31-s − 1.92e5·32-s − 2.26e5·34-s − 3.23e5·35-s + 3.31e5·37-s − 7.10e5·38-s + 2.21e5·40-s − 2.42e5·41-s + ⋯
L(s)  = 1  + 1.25·2-s + 0.582·4-s − 1.03·5-s + 1.22·7-s − 0.525·8-s − 1.30·10-s − 1.01·11-s + 0.307·13-s + 1.54·14-s − 1.24·16-s − 0.785·17-s − 1.67·19-s − 0.605·20-s − 1.27·22-s − 1.18·23-s + 0.0809·25-s + 0.386·26-s + 0.713·28-s + 0.716·29-s − 0.120·31-s − 1.03·32-s − 0.987·34-s − 1.27·35-s + 1.07·37-s − 2.10·38-s + 0.546·40-s − 0.548·41-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 81 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 81 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(81\)    =    \(3^{4}\)
Sign: $-1$
Analytic conductor: \(25.3031\)
Root analytic conductor: \(5.03022\)
Motivic weight: \(7\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 81,\ (\ :7/2),\ -1)\)

Particular Values

\(L(4)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
good2 \( 1 - 14.2T + 128T^{2} \)
5 \( 1 + 290.T + 7.81e4T^{2} \)
7 \( 1 - 1.11e3T + 8.23e5T^{2} \)
11 \( 1 + 4.49e3T + 1.94e7T^{2} \)
13 \( 1 - 2.43e3T + 6.27e7T^{2} \)
17 \( 1 + 1.59e4T + 4.10e8T^{2} \)
19 \( 1 + 4.99e4T + 8.93e8T^{2} \)
23 \( 1 + 6.93e4T + 3.40e9T^{2} \)
29 \( 1 - 9.40e4T + 1.72e10T^{2} \)
31 \( 1 + 1.99e4T + 2.75e10T^{2} \)
37 \( 1 - 3.31e5T + 9.49e10T^{2} \)
41 \( 1 + 2.42e5T + 1.94e11T^{2} \)
43 \( 1 - 8.31e5T + 2.71e11T^{2} \)
47 \( 1 - 1.60e5T + 5.06e11T^{2} \)
53 \( 1 + 3.11e5T + 1.17e12T^{2} \)
59 \( 1 - 3.12e5T + 2.48e12T^{2} \)
61 \( 1 + 5.74e4T + 3.14e12T^{2} \)
67 \( 1 + 4.10e6T + 6.06e12T^{2} \)
71 \( 1 - 4.03e5T + 9.09e12T^{2} \)
73 \( 1 + 8.23e5T + 1.10e13T^{2} \)
79 \( 1 - 9.78e5T + 1.92e13T^{2} \)
83 \( 1 - 3.70e6T + 2.71e13T^{2} \)
89 \( 1 + 2.09e6T + 4.42e13T^{2} \)
97 \( 1 - 3.50e6T + 8.07e13T^{2} \)
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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

−12.48096994458645545154866810632, −11.53792957887338157729075369921, −10.69539252897898374953078655705, −8.628353091831489380752555927313, −7.75697931507694793667757024467, −6.11808102912674700477218344885, −4.71769937486645213927746926107, −4.05127595640107868143708834937, −2.35332941291398415756493232496, 0, 2.35332941291398415756493232496, 4.05127595640107868143708834937, 4.71769937486645213927746926107, 6.11808102912674700477218344885, 7.75697931507694793667757024467, 8.628353091831489380752555927313, 10.69539252897898374953078655705, 11.53792957887338157729075369921, 12.48096994458645545154866810632

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