Properties

Label 2-91-1.1-c9-0-10
Degree $2$
Conductor $91$
Sign $1$
Analytic cond. $46.8682$
Root an. cond. $6.84603$
Motivic weight $9$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 13.6·2-s − 25.3·3-s − 325.·4-s + 344.·5-s + 346.·6-s + 2.40e3·7-s + 1.14e4·8-s − 1.90e4·9-s − 4.70e3·10-s + 3.59e4·11-s + 8.24e3·12-s − 2.85e4·13-s − 3.28e4·14-s − 8.73e3·15-s + 1.00e4·16-s − 2.63e5·17-s + 2.60e5·18-s − 5.04e5·19-s − 1.11e5·20-s − 6.09e4·21-s − 4.92e5·22-s − 7.93e4·23-s − 2.90e5·24-s − 1.83e6·25-s + 3.90e5·26-s + 9.82e5·27-s − 7.80e5·28-s + ⋯
L(s)  = 1  − 0.604·2-s − 0.180·3-s − 0.635·4-s + 0.246·5-s + 0.109·6-s + 0.377·7-s + 0.987·8-s − 0.967·9-s − 0.148·10-s + 0.741·11-s + 0.114·12-s − 0.277·13-s − 0.228·14-s − 0.0445·15-s + 0.0382·16-s − 0.764·17-s + 0.584·18-s − 0.888·19-s − 0.156·20-s − 0.0683·21-s − 0.447·22-s − 0.0591·23-s − 0.178·24-s − 0.939·25-s + 0.167·26-s + 0.355·27-s − 0.240·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 91 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(10-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 91 ^{s/2} \, \Gamma_{\C}(s+9/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(91\)    =    \(7 \cdot 13\)
Sign: $1$
Analytic conductor: \(46.8682\)
Root analytic conductor: \(6.84603\)
Motivic weight: \(9\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 91,\ (\ :9/2),\ 1)\)

Particular Values

\(L(5)\) \(\approx\) \(0.8905701618\)
\(L(\frac12)\) \(\approx\) \(0.8905701618\)
\(L(\frac{11}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad7 \( 1 - 2.40e3T \)
13 \( 1 + 2.85e4T \)
good2 \( 1 + 13.6T + 512T^{2} \)
3 \( 1 + 25.3T + 1.96e4T^{2} \)
5 \( 1 - 344.T + 1.95e6T^{2} \)
11 \( 1 - 3.59e4T + 2.35e9T^{2} \)
17 \( 1 + 2.63e5T + 1.18e11T^{2} \)
19 \( 1 + 5.04e5T + 3.22e11T^{2} \)
23 \( 1 + 7.93e4T + 1.80e12T^{2} \)
29 \( 1 + 1.67e6T + 1.45e13T^{2} \)
31 \( 1 - 9.10e6T + 2.64e13T^{2} \)
37 \( 1 + 1.04e7T + 1.29e14T^{2} \)
41 \( 1 + 1.68e7T + 3.27e14T^{2} \)
43 \( 1 - 1.46e7T + 5.02e14T^{2} \)
47 \( 1 + 2.57e6T + 1.11e15T^{2} \)
53 \( 1 - 6.66e7T + 3.29e15T^{2} \)
59 \( 1 - 8.44e7T + 8.66e15T^{2} \)
61 \( 1 - 7.82e7T + 1.16e16T^{2} \)
67 \( 1 - 6.79e7T + 2.72e16T^{2} \)
71 \( 1 - 1.35e8T + 4.58e16T^{2} \)
73 \( 1 - 3.56e8T + 5.88e16T^{2} \)
79 \( 1 - 5.48e8T + 1.19e17T^{2} \)
83 \( 1 - 1.87e8T + 1.86e17T^{2} \)
89 \( 1 + 2.44e8T + 3.50e17T^{2} \)
97 \( 1 + 1.07e9T + 7.60e17T^{2} \)
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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

−12.10278797278511906360726356628, −11.06000667755739020357358199553, −9.951864662883008446728507124947, −8.876903370827036304246154272260, −8.150527552058051929745510246474, −6.59201383106892995940949651068, −5.23351844790144707926961496528, −4.00807615693473148297550445843, −2.09880612604627666476616484851, −0.59147610864647509971680316337, 0.59147610864647509971680316337, 2.09880612604627666476616484851, 4.00807615693473148297550445843, 5.23351844790144707926961496528, 6.59201383106892995940949651068, 8.150527552058051929745510246474, 8.876903370827036304246154272260, 9.951864662883008446728507124947, 11.06000667755739020357358199553, 12.10278797278511906360726356628

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