Properties

Label 2-91-1.1-c9-0-39
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  + 36.7·2-s + 155.·3-s + 837.·4-s + 1.72e3·5-s + 5.70e3·6-s − 2.40e3·7-s + 1.19e4·8-s + 4.46e3·9-s + 6.35e4·10-s + 6.07e3·11-s + 1.30e5·12-s + 2.85e4·13-s − 8.81e4·14-s + 2.68e5·15-s + 1.02e4·16-s + 5.56e5·17-s + 1.64e5·18-s + 5.05e5·19-s + 1.44e6·20-s − 3.73e5·21-s + 2.23e5·22-s + 3.77e5·23-s + 1.85e6·24-s + 1.03e6·25-s + 1.04e6·26-s − 2.36e6·27-s − 2.01e6·28-s + ⋯
L(s)  = 1  + 1.62·2-s + 1.10·3-s + 1.63·4-s + 1.23·5-s + 1.79·6-s − 0.377·7-s + 1.03·8-s + 0.227·9-s + 2.00·10-s + 0.125·11-s + 1.81·12-s + 0.277·13-s − 0.613·14-s + 1.37·15-s + 0.0392·16-s + 1.61·17-s + 0.368·18-s + 0.889·19-s + 2.02·20-s − 0.418·21-s + 0.203·22-s + 0.281·23-s + 1.14·24-s + 0.531·25-s + 0.450·26-s − 0.856·27-s − 0.618·28-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

\(L(5)\) \(\approx\) \(9.308130277\)
\(L(\frac12)\) \(\approx\) \(9.308130277\)
\(L(\frac{11}{2})\) 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 \( 1 - 36.7T + 512T^{2} \)
3 \( 1 - 155.T + 1.96e4T^{2} \)
5 \( 1 - 1.72e3T + 1.95e6T^{2} \)
11 \( 1 - 6.07e3T + 2.35e9T^{2} \)
17 \( 1 - 5.56e5T + 1.18e11T^{2} \)
19 \( 1 - 5.05e5T + 3.22e11T^{2} \)
23 \( 1 - 3.77e5T + 1.80e12T^{2} \)
29 \( 1 + 3.91e6T + 1.45e13T^{2} \)
31 \( 1 + 8.44e5T + 2.64e13T^{2} \)
37 \( 1 + 4.79e6T + 1.29e14T^{2} \)
41 \( 1 - 1.69e7T + 3.27e14T^{2} \)
43 \( 1 + 2.34e7T + 5.02e14T^{2} \)
47 \( 1 - 1.47e5T + 1.11e15T^{2} \)
53 \( 1 + 8.00e7T + 3.29e15T^{2} \)
59 \( 1 - 7.64e7T + 8.66e15T^{2} \)
61 \( 1 - 3.36e7T + 1.16e16T^{2} \)
67 \( 1 + 8.65e7T + 2.72e16T^{2} \)
71 \( 1 + 6.36e7T + 4.58e16T^{2} \)
73 \( 1 + 3.55e8T + 5.88e16T^{2} \)
79 \( 1 - 2.25e8T + 1.19e17T^{2} \)
83 \( 1 + 4.20e8T + 1.86e17T^{2} \)
89 \( 1 - 5.01e7T + 3.50e17T^{2} \)
97 \( 1 - 2.27e8T + 7.60e17T^{2} \)
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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

−12.80181687735801603821243186465, −11.57438579805474733345335092633, −10.00007296983652938152927804580, −9.089108324783431500974362621209, −7.49640290599776296197176330403, −6.07226359038446367226842385057, −5.30932359268379778061640772868, −3.61131908578220358616921331004, −2.87343959318121645409680473878, −1.67282364294419358550121029240, 1.67282364294419358550121029240, 2.87343959318121645409680473878, 3.61131908578220358616921331004, 5.30932359268379778061640772868, 6.07226359038446367226842385057, 7.49640290599776296197176330403, 9.089108324783431500974362621209, 10.00007296983652938152927804580, 11.57438579805474733345335092633, 12.80181687735801603821243186465

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