Properties

Label 1-47-47.46-r1-0-0
Degree $1$
Conductor $47$
Sign $1$
Analytic cond. $5.05085$
Root an. cond. $5.05085$
Motivic weight $0$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2-s + 3-s + 4-s − 5-s + 6-s + 7-s + 8-s + 9-s − 10-s − 11-s + 12-s − 13-s + 14-s − 15-s + 16-s + 17-s + 18-s − 19-s − 20-s + 21-s − 22-s − 23-s + 24-s + 25-s − 26-s + 27-s + 28-s + ⋯
L(s)  = 1  + 2-s + 3-s + 4-s − 5-s + 6-s + 7-s + 8-s + 9-s − 10-s − 11-s + 12-s − 13-s + 14-s − 15-s + 16-s + 17-s + 18-s − 19-s − 20-s + 21-s − 22-s − 23-s + 24-s + 25-s − 26-s + 27-s + 28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 47 ^{s/2} \, \Gamma_{\R}(s+1) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 47 ^{s/2} \, \Gamma_{\R}(s+1) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(1\)
Conductor: \(47\)
Sign: $1$
Analytic conductor: \(5.05085\)
Root analytic conductor: \(5.05085\)
Motivic weight: \(0\)
Rational: yes
Arithmetic: yes
Character: $\chi_{47} (46, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((1,\ 47,\ (1:\ ),\ 1)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(3.303548444\)
\(L(\frac12)\) \(\approx\) \(3.303548444\)
\(L(1)\) \(\approx\) \(2.291241928\)
\(L(1)\) \(\approx\) \(2.291241928\)

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad47 \( 1 \)
good2 \( 1 + T \)
3 \( 1 + T \)
5 \( 1 - T \)
7 \( 1 + T \)
11 \( 1 - T \)
13 \( 1 - T \)
17 \( 1 + T \)
19 \( 1 - T \)
23 \( 1 - T \)
29 \( 1 - T \)
31 \( 1 - T \)
37 \( 1 + T \)
41 \( 1 - T \)
43 \( 1 - T \)
53 \( 1 + T \)
59 \( 1 + T \)
61 \( 1 + T \)
67 \( 1 - T \)
71 \( 1 + T \)
73 \( 1 - T \)
79 \( 1 + T \)
83 \( 1 + T \)
89 \( 1 + T \)
97 \( 1 + T \)
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   \(L(s) = \displaystyle\prod_p \ (1 - \alpha_{p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−33.77668607749940428936519646881, −32.05910571763781725429582287171, −31.64338490383793819126735925197, −30.61666136985830755177387698980, −29.77336479147828228394639163971, −27.91007934440203531155742388225, −26.69790885674393435467325527325, −25.43442138657100380293584968240, −24.114003617192272889938548281408, −23.58852591405474187270107134583, −21.82467104304565988628069831743, −20.76598371214385494494921133787, −19.89048518184024940264907721961, −18.64661205582266172146626732302, −16.45125695017729353171154762285, −15.06559071904897468105252816183, −14.59571799746696018494294423956, −13.054458093069987831938660166399, −11.880176109031467025983361185217, −10.40248870085373491350712870098, −8.118457993765668482753092758213, −7.40261866627296067281716249709, −5.02303396436953075466195450230, −3.77397438829552955507560998114, −2.217378213961029620175600262908, 2.217378213961029620175600262908, 3.77397438829552955507560998114, 5.02303396436953075466195450230, 7.40261866627296067281716249709, 8.118457993765668482753092758213, 10.40248870085373491350712870098, 11.880176109031467025983361185217, 13.054458093069987831938660166399, 14.59571799746696018494294423956, 15.06559071904897468105252816183, 16.45125695017729353171154762285, 18.64661205582266172146626732302, 19.89048518184024940264907721961, 20.76598371214385494494921133787, 21.82467104304565988628069831743, 23.58852591405474187270107134583, 24.114003617192272889938548281408, 25.43442138657100380293584968240, 26.69790885674393435467325527325, 27.91007934440203531155742388225, 29.77336479147828228394639163971, 30.61666136985830755177387698980, 31.64338490383793819126735925197, 32.05910571763781725429582287171, 33.77668607749940428936519646881

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