Properties

Label 2-91-1.1-c9-0-0
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  − 31.1·2-s − 183.·3-s + 459.·4-s − 1.66e3·5-s + 5.72e3·6-s + 2.40e3·7-s + 1.65e3·8-s + 1.40e4·9-s + 5.17e4·10-s − 2.16e3·11-s − 8.43e4·12-s − 2.85e4·13-s − 7.48e4·14-s + 3.05e5·15-s − 2.86e5·16-s + 3.29e4·17-s − 4.38e5·18-s − 4.48e5·19-s − 7.62e5·20-s − 4.41e5·21-s + 6.75e4·22-s − 7.08e5·23-s − 3.03e5·24-s + 8.05e5·25-s + 8.89e5·26-s + 1.03e6·27-s + 1.10e6·28-s + ⋯
L(s)  = 1  − 1.37·2-s − 1.30·3-s + 0.896·4-s − 1.18·5-s + 1.80·6-s + 0.377·7-s + 0.142·8-s + 0.714·9-s + 1.63·10-s − 0.0446·11-s − 1.17·12-s − 0.277·13-s − 0.520·14-s + 1.55·15-s − 1.09·16-s + 0.0957·17-s − 0.983·18-s − 0.788·19-s − 1.06·20-s − 0.494·21-s + 0.0615·22-s − 0.528·23-s − 0.186·24-s + 0.412·25-s + 0.381·26-s + 0.373·27-s + 0.338·28-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

\(L(5)\) \(\approx\) \(0.002425444727\)
\(L(\frac12)\) \(\approx\) \(0.002425444727\)
\(L(\frac{11}{2})\) 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 \( 1 + 31.1T + 512T^{2} \)
3 \( 1 + 183.T + 1.96e4T^{2} \)
5 \( 1 + 1.66e3T + 1.95e6T^{2} \)
11 \( 1 + 2.16e3T + 2.35e9T^{2} \)
17 \( 1 - 3.29e4T + 1.18e11T^{2} \)
19 \( 1 + 4.48e5T + 3.22e11T^{2} \)
23 \( 1 + 7.08e5T + 1.80e12T^{2} \)
29 \( 1 + 7.50e6T + 1.45e13T^{2} \)
31 \( 1 + 8.49e6T + 2.64e13T^{2} \)
37 \( 1 + 1.77e7T + 1.29e14T^{2} \)
41 \( 1 - 2.82e6T + 3.27e14T^{2} \)
43 \( 1 + 4.58e6T + 5.02e14T^{2} \)
47 \( 1 + 3.19e7T + 1.11e15T^{2} \)
53 \( 1 + 1.83e7T + 3.29e15T^{2} \)
59 \( 1 - 1.45e8T + 8.66e15T^{2} \)
61 \( 1 + 1.05e7T + 1.16e16T^{2} \)
67 \( 1 + 3.52e7T + 2.72e16T^{2} \)
71 \( 1 + 2.70e7T + 4.58e16T^{2} \)
73 \( 1 + 3.20e8T + 5.88e16T^{2} \)
79 \( 1 + 3.48e8T + 1.19e17T^{2} \)
83 \( 1 + 1.46e8T + 1.86e17T^{2} \)
89 \( 1 + 3.59e8T + 3.50e17T^{2} \)
97 \( 1 + 1.04e9T + 7.60e17T^{2} \)
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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

−11.68130909402451339757137871816, −11.14708386161236196830390035117, −10.27168644941441567407506643967, −8.887000811107613624581280239539, −7.81157520216842218847451342452, −6.95121423425670212864524460262, −5.38407485475970905468232002821, −4.04211487532968550884528993628, −1.66059908064621886440916643509, −0.03700038668019936861904113773, 0.03700038668019936861904113773, 1.66059908064621886440916643509, 4.04211487532968550884528993628, 5.38407485475970905468232002821, 6.95121423425670212864524460262, 7.81157520216842218847451342452, 8.887000811107613624581280239539, 10.27168644941441567407506643967, 11.14708386161236196830390035117, 11.68130909402451339757137871816

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