Properties

Label 2-91-1.1-c9-0-19
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  − 2.59·2-s + 254.·3-s − 505.·4-s − 1.90e3·5-s − 658.·6-s + 2.40e3·7-s + 2.63e3·8-s + 4.49e4·9-s + 4.93e3·10-s + 1.83e4·11-s − 1.28e5·12-s − 2.85e4·13-s − 6.22e3·14-s − 4.84e5·15-s + 2.51e5·16-s − 3.73e5·17-s − 1.16e5·18-s − 2.46e5·19-s + 9.61e5·20-s + 6.10e5·21-s − 4.75e4·22-s + 1.88e6·23-s + 6.70e5·24-s + 1.67e6·25-s + 7.40e4·26-s + 6.42e6·27-s − 1.21e6·28-s + ⋯
L(s)  = 1  − 0.114·2-s + 1.81·3-s − 0.986·4-s − 1.36·5-s − 0.207·6-s + 0.377·7-s + 0.227·8-s + 2.28·9-s + 0.156·10-s + 0.377·11-s − 1.78·12-s − 0.277·13-s − 0.0432·14-s − 2.46·15-s + 0.960·16-s − 1.08·17-s − 0.261·18-s − 0.433·19-s + 1.34·20-s + 0.685·21-s − 0.0432·22-s + 1.40·23-s + 0.412·24-s + 0.855·25-s + 0.0317·26-s + 2.32·27-s − 0.373·28-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

\(L(5)\) \(\approx\) \(2.483203161\)
\(L(\frac12)\) \(\approx\) \(2.483203161\)
\(L(\frac{11}{2})\) 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 \( 1 + 2.59T + 512T^{2} \)
3 \( 1 - 254.T + 1.96e4T^{2} \)
5 \( 1 + 1.90e3T + 1.95e6T^{2} \)
11 \( 1 - 1.83e4T + 2.35e9T^{2} \)
17 \( 1 + 3.73e5T + 1.18e11T^{2} \)
19 \( 1 + 2.46e5T + 3.22e11T^{2} \)
23 \( 1 - 1.88e6T + 1.80e12T^{2} \)
29 \( 1 + 2.80e5T + 1.45e13T^{2} \)
31 \( 1 - 4.45e6T + 2.64e13T^{2} \)
37 \( 1 - 1.76e7T + 1.29e14T^{2} \)
41 \( 1 - 3.32e7T + 3.27e14T^{2} \)
43 \( 1 + 7.15e4T + 5.02e14T^{2} \)
47 \( 1 - 2.72e7T + 1.11e15T^{2} \)
53 \( 1 + 3.68e7T + 3.29e15T^{2} \)
59 \( 1 - 1.71e8T + 8.66e15T^{2} \)
61 \( 1 - 7.90e7T + 1.16e16T^{2} \)
67 \( 1 - 5.56e7T + 2.72e16T^{2} \)
71 \( 1 - 1.06e7T + 4.58e16T^{2} \)
73 \( 1 - 9.59e7T + 5.88e16T^{2} \)
79 \( 1 + 1.92e8T + 1.19e17T^{2} \)
83 \( 1 + 5.38e8T + 1.86e17T^{2} \)
89 \( 1 - 8.19e7T + 3.50e17T^{2} \)
97 \( 1 + 7.56e8T + 7.60e17T^{2} \)
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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

−12.62531847725147270806061320711, −11.12033009974611848381617789232, −9.598629658791225915887161883305, −8.740039832174320427770483459566, −8.108792730532787776362402712374, −7.18704709263621692882903710679, −4.49995570158992380618440400237, −3.95568770919999740026526756632, −2.64620203620183362337787860214, −0.871451186995177830713079223319, 0.871451186995177830713079223319, 2.64620203620183362337787860214, 3.95568770919999740026526756632, 4.49995570158992380618440400237, 7.18704709263621692882903710679, 8.108792730532787776362402712374, 8.740039832174320427770483459566, 9.598629658791225915887161883305, 11.12033009974611848381617789232, 12.62531847725147270806061320711

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