Properties

Label 2-89-1.1-c1-0-1
Degree $2$
Conductor $89$
Sign $1$
Analytic cond. $0.710668$
Root an. cond. $0.843011$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 0.745·2-s − 0.549·3-s − 1.44·4-s + 3.44·5-s + 0.410·6-s + 5.17·7-s + 2.56·8-s − 2.69·9-s − 2.56·10-s − 1.31·11-s + 0.793·12-s − 3.54·13-s − 3.86·14-s − 1.89·15-s + 0.970·16-s − 2.15·17-s + 2.01·18-s + 5.13·19-s − 4.97·20-s − 2.84·21-s + 0.980·22-s − 3.52·23-s − 1.41·24-s + 6.85·25-s + 2.64·26-s + 3.13·27-s − 7.47·28-s + ⋯
L(s)  = 1  − 0.527·2-s − 0.317·3-s − 0.721·4-s + 1.54·5-s + 0.167·6-s + 1.95·7-s + 0.908·8-s − 0.899·9-s − 0.812·10-s − 0.396·11-s + 0.229·12-s − 0.982·13-s − 1.03·14-s − 0.488·15-s + 0.242·16-s − 0.522·17-s + 0.474·18-s + 1.17·19-s − 1.11·20-s − 0.620·21-s + 0.209·22-s − 0.735·23-s − 0.288·24-s + 1.37·25-s + 0.518·26-s + 0.602·27-s − 1.41·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 89 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 89 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(89\)
Sign: $1$
Analytic conductor: \(0.710668\)
Root analytic conductor: \(0.843011\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 89,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.7970984885\)
\(L(\frac12)\) \(\approx\) \(0.7970984885\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad89 \( 1 - T \)
good2 \( 1 + 0.745T + 2T^{2} \)
3 \( 1 + 0.549T + 3T^{2} \)
5 \( 1 - 3.44T + 5T^{2} \)
7 \( 1 - 5.17T + 7T^{2} \)
11 \( 1 + 1.31T + 11T^{2} \)
13 \( 1 + 3.54T + 13T^{2} \)
17 \( 1 + 2.15T + 17T^{2} \)
19 \( 1 - 5.13T + 19T^{2} \)
23 \( 1 + 3.52T + 23T^{2} \)
29 \( 1 + 9.30T + 29T^{2} \)
31 \( 1 - 1.23T + 31T^{2} \)
37 \( 1 + 1.77T + 37T^{2} \)
41 \( 1 + 5.03T + 41T^{2} \)
43 \( 1 + 5.93T + 43T^{2} \)
47 \( 1 - 2.80T + 47T^{2} \)
53 \( 1 + 5.16T + 53T^{2} \)
59 \( 1 - 3.53T + 59T^{2} \)
61 \( 1 - 4.44T + 61T^{2} \)
67 \( 1 + 7.80T + 67T^{2} \)
71 \( 1 + 2.45T + 71T^{2} \)
73 \( 1 + 2.58T + 73T^{2} \)
79 \( 1 - 9.77T + 79T^{2} \)
83 \( 1 - 0.666T + 83T^{2} \)
97 \( 1 - 5.36T + 97T^{2} \)
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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

−14.10543548581542141727301920343, −13.41161188297091128382565921622, −11.80945838265680740951693655682, −10.73265760358139432249830184986, −9.716274834393394874869932818892, −8.689788781707687792554591580430, −7.61779099427155181338745850111, −5.53222976586399877342488961564, −4.95283656456386803345642958433, −1.91341662104729503875907175725, 1.91341662104729503875907175725, 4.95283656456386803345642958433, 5.53222976586399877342488961564, 7.61779099427155181338745850111, 8.689788781707687792554591580430, 9.716274834393394874869932818892, 10.73265760358139432249830184986, 11.80945838265680740951693655682, 13.41161188297091128382565921622, 14.10543548581542141727301920343

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