Properties

Label 2-91-1.1-c9-0-37
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 $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 30.9·2-s + 166.·3-s + 443.·4-s + 268.·5-s − 5.14e3·6-s − 2.40e3·7-s + 2.11e3·8-s + 7.97e3·9-s − 8.28e3·10-s + 4.12e4·11-s + 7.37e4·12-s − 2.85e4·13-s + 7.42e4·14-s + 4.45e4·15-s − 2.92e5·16-s − 2.51e5·17-s − 2.46e5·18-s − 6.83e5·19-s + 1.18e5·20-s − 3.99e5·21-s − 1.27e6·22-s + 1.56e6·23-s + 3.51e5·24-s − 1.88e6·25-s + 8.82e5·26-s − 1.94e6·27-s − 1.06e6·28-s + ⋯
L(s)  = 1  − 1.36·2-s + 1.18·3-s + 0.866·4-s + 0.191·5-s − 1.61·6-s − 0.377·7-s + 0.182·8-s + 0.404·9-s − 0.262·10-s + 0.849·11-s + 1.02·12-s − 0.277·13-s + 0.516·14-s + 0.227·15-s − 1.11·16-s − 0.729·17-s − 0.553·18-s − 1.20·19-s + 0.166·20-s − 0.448·21-s − 1.16·22-s + 1.16·23-s + 0.215·24-s − 0.963·25-s + 0.378·26-s − 0.705·27-s − 0.327·28-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: \(1\)
Selberg data: \((2,\ 91,\ (\ :9/2),\ -1)\)

Particular Values

\(L(5)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{11}{2})\) 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 \( 1 + 30.9T + 512T^{2} \)
3 \( 1 - 166.T + 1.96e4T^{2} \)
5 \( 1 - 268.T + 1.95e6T^{2} \)
11 \( 1 - 4.12e4T + 2.35e9T^{2} \)
17 \( 1 + 2.51e5T + 1.18e11T^{2} \)
19 \( 1 + 6.83e5T + 3.22e11T^{2} \)
23 \( 1 - 1.56e6T + 1.80e12T^{2} \)
29 \( 1 - 2.74e6T + 1.45e13T^{2} \)
31 \( 1 - 2.17e5T + 2.64e13T^{2} \)
37 \( 1 + 1.36e6T + 1.29e14T^{2} \)
41 \( 1 - 1.25e6T + 3.27e14T^{2} \)
43 \( 1 - 2.35e7T + 5.02e14T^{2} \)
47 \( 1 + 1.04e7T + 1.11e15T^{2} \)
53 \( 1 + 8.70e7T + 3.29e15T^{2} \)
59 \( 1 + 9.52e7T + 8.66e15T^{2} \)
61 \( 1 - 1.57e8T + 1.16e16T^{2} \)
67 \( 1 + 2.45e8T + 2.72e16T^{2} \)
71 \( 1 + 1.46e8T + 4.58e16T^{2} \)
73 \( 1 + 2.96e8T + 5.88e16T^{2} \)
79 \( 1 + 5.42e8T + 1.19e17T^{2} \)
83 \( 1 - 1.32e8T + 1.86e17T^{2} \)
89 \( 1 + 1.24e8T + 3.50e17T^{2} \)
97 \( 1 - 1.68e8T + 7.60e17T^{2} \)
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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

−11.35664355001734283052386866260, −10.18452349507920007514711141853, −9.166740755740146764819033779363, −8.738342548917448527147923363784, −7.60842072332714722031381566793, −6.46846161953902000985113977909, −4.26131706252149019653068046002, −2.69657273036469731976078711485, −1.56417829322287768015129647834, 0, 1.56417829322287768015129647834, 2.69657273036469731976078711485, 4.26131706252149019653068046002, 6.46846161953902000985113977909, 7.60842072332714722031381566793, 8.738342548917448527147923363784, 9.166740755740146764819033779363, 10.18452349507920007514711141853, 11.35664355001734283052386866260

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