Properties

Label 2-23-23.22-c8-0-7
Degree $2$
Conductor $23$
Sign $1$
Analytic cond. $9.36970$
Root an. cond. $3.06099$
Motivic weight $8$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 28.9·2-s + 80.1·3-s + 579.·4-s − 2.31e3·6-s − 9.35e3·8-s − 144.·9-s + 4.64e4·12-s + 5.40e4·13-s + 1.21e5·16-s + 4.18e3·18-s + 2.79e5·23-s − 7.48e5·24-s + 3.90e5·25-s − 1.56e6·26-s − 5.37e5·27-s + 8.68e5·29-s + 1.80e6·31-s − 1.13e6·32-s − 8.39e4·36-s + 4.32e6·39-s − 4.60e6·41-s − 8.08e6·46-s − 6.45e6·47-s + 9.76e6·48-s + 5.76e6·49-s − 1.12e7·50-s + 3.12e7·52-s + ⋯
L(s)  = 1  − 1.80·2-s + 0.988·3-s + 2.26·4-s − 1.78·6-s − 2.28·8-s − 0.0220·9-s + 2.23·12-s + 1.89·13-s + 1.86·16-s + 0.0399·18-s + 23-s − 2.25·24-s + 25-s − 3.41·26-s − 1.01·27-s + 1.22·29-s + 1.95·31-s − 1.07·32-s − 0.0500·36-s + 1.86·39-s − 1.63·41-s − 1.80·46-s − 1.32·47-s + 1.83·48-s + 49-s − 1.80·50-s + 4.28·52-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 23 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(9-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 23 ^{s/2} \, \Gamma_{\C}(s+4) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(23\)
Sign: $1$
Analytic conductor: \(9.36970\)
Root analytic conductor: \(3.06099\)
Motivic weight: \(8\)
Rational: no
Arithmetic: yes
Character: $\chi_{23} (22, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 23,\ (\ :4),\ 1)\)

Particular Values

\(L(\frac{9}{2})\) \(\approx\) \(1.085926960\)
\(L(\frac12)\) \(\approx\) \(1.085926960\)
\(L(5)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad23 \( 1 - 2.79e5T \)
good2 \( 1 + 28.9T + 256T^{2} \)
3 \( 1 - 80.1T + 6.56e3T^{2} \)
5 \( 1 - 3.90e5T^{2} \)
7 \( 1 - 5.76e6T^{2} \)
11 \( 1 - 2.14e8T^{2} \)
13 \( 1 - 5.40e4T + 8.15e8T^{2} \)
17 \( 1 - 6.97e9T^{2} \)
19 \( 1 - 1.69e10T^{2} \)
29 \( 1 - 8.68e5T + 5.00e11T^{2} \)
31 \( 1 - 1.80e6T + 8.52e11T^{2} \)
37 \( 1 - 3.51e12T^{2} \)
41 \( 1 + 4.60e6T + 7.98e12T^{2} \)
43 \( 1 - 1.16e13T^{2} \)
47 \( 1 + 6.45e6T + 2.38e13T^{2} \)
53 \( 1 - 6.22e13T^{2} \)
59 \( 1 - 1.52e7T + 1.46e14T^{2} \)
61 \( 1 - 1.91e14T^{2} \)
67 \( 1 - 4.06e14T^{2} \)
71 \( 1 + 1.47e6T + 6.45e14T^{2} \)
73 \( 1 + 4.83e7T + 8.06e14T^{2} \)
79 \( 1 - 1.51e15T^{2} \)
83 \( 1 - 2.25e15T^{2} \)
89 \( 1 - 3.93e15T^{2} \)
97 \( 1 - 7.83e15T^{2} \)
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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

−16.19763589350545722064343956206, −15.17225826493685568459326604326, −13.57358699137694629103351250428, −11.48934113174410361454083235145, −10.26071600882990030330086952673, −8.785528370880907108738112345945, −8.312193720324238660650046295629, −6.61290661913085672954290949270, −2.95312795013608813421629405734, −1.15438384073458975501791693746, 1.15438384073458975501791693746, 2.95312795013608813421629405734, 6.61290661913085672954290949270, 8.312193720324238660650046295629, 8.785528370880907108738112345945, 10.26071600882990030330086952673, 11.48934113174410361454083235145, 13.57358699137694629103351250428, 15.17225826493685568459326604326, 16.19763589350545722064343956206

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