Properties

Label 2-23-1.1-c13-0-2
Degree $2$
Conductor $23$
Sign $1$
Analytic cond. $24.6631$
Root an. cond. $4.96619$
Motivic weight $13$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 32.0·2-s + 511.·3-s − 7.16e3·4-s − 6.26e4·5-s − 1.63e4·6-s − 5.16e5·7-s + 4.91e5·8-s − 1.33e6·9-s + 2.00e6·10-s + 2.85e6·11-s − 3.66e6·12-s + 1.15e7·13-s + 1.65e7·14-s − 3.20e7·15-s + 4.29e7·16-s − 8.05e7·17-s + 4.26e7·18-s − 3.82e8·19-s + 4.48e8·20-s − 2.64e8·21-s − 9.13e7·22-s + 1.48e8·23-s + 2.51e8·24-s + 2.70e9·25-s − 3.68e8·26-s − 1.49e9·27-s + 3.70e9·28-s + ⋯
L(s)  = 1  − 0.353·2-s + 0.405·3-s − 0.874·4-s − 1.79·5-s − 0.143·6-s − 1.65·7-s + 0.663·8-s − 0.835·9-s + 0.634·10-s + 0.485·11-s − 0.354·12-s + 0.660·13-s + 0.587·14-s − 0.726·15-s + 0.640·16-s − 0.809·17-s + 0.295·18-s − 1.86·19-s + 1.56·20-s − 0.672·21-s − 0.171·22-s + 0.208·23-s + 0.268·24-s + 2.21·25-s − 0.233·26-s − 0.743·27-s + 1.45·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 23 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(14-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 23 ^{s/2} \, \Gamma_{\C}(s+13/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(23\)
Sign: $1$
Analytic conductor: \(24.6631\)
Root analytic conductor: \(4.96619\)
Motivic weight: \(13\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 23,\ (\ :13/2),\ 1)\)

Particular Values

\(L(7)\) \(\approx\) \(0.2133729427\)
\(L(\frac12)\) \(\approx\) \(0.2133729427\)
\(L(\frac{15}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad23 \( 1 - 1.48e8T \)
good2 \( 1 + 32.0T + 8.19e3T^{2} \)
3 \( 1 - 511.T + 1.59e6T^{2} \)
5 \( 1 + 6.26e4T + 1.22e9T^{2} \)
7 \( 1 + 5.16e5T + 9.68e10T^{2} \)
11 \( 1 - 2.85e6T + 3.45e13T^{2} \)
13 \( 1 - 1.15e7T + 3.02e14T^{2} \)
17 \( 1 + 8.05e7T + 9.90e15T^{2} \)
19 \( 1 + 3.82e8T + 4.20e16T^{2} \)
29 \( 1 - 3.69e9T + 1.02e19T^{2} \)
31 \( 1 + 1.91e9T + 2.44e19T^{2} \)
37 \( 1 + 9.74e9T + 2.43e20T^{2} \)
41 \( 1 + 2.00e10T + 9.25e20T^{2} \)
43 \( 1 + 3.06e10T + 1.71e21T^{2} \)
47 \( 1 - 5.09e10T + 5.46e21T^{2} \)
53 \( 1 + 1.36e11T + 2.60e22T^{2} \)
59 \( 1 + 4.59e9T + 1.04e23T^{2} \)
61 \( 1 + 2.49e11T + 1.61e23T^{2} \)
67 \( 1 - 4.16e11T + 5.48e23T^{2} \)
71 \( 1 + 1.95e12T + 1.16e24T^{2} \)
73 \( 1 - 1.27e12T + 1.67e24T^{2} \)
79 \( 1 + 1.18e12T + 4.66e24T^{2} \)
83 \( 1 - 1.35e12T + 8.87e24T^{2} \)
89 \( 1 - 7.69e12T + 2.19e25T^{2} \)
97 \( 1 + 9.67e12T + 6.73e25T^{2} \)
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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

−14.92003959967837089790133230336, −13.40083832450599953031866818014, −12.28795678904415973209725351602, −10.73802837166310672855388183356, −8.995461899905894933738530791645, −8.329854490617703862336181177909, −6.62204779337689799370159256291, −4.20271955999581217879643864031, −3.27814884252729412972817593452, −0.29980454613855238582035024629, 0.29980454613855238582035024629, 3.27814884252729412972817593452, 4.20271955999581217879643864031, 6.62204779337689799370159256291, 8.329854490617703862336181177909, 8.995461899905894933738530791645, 10.73802837166310672855388183356, 12.28795678904415973209725351602, 13.40083832450599953031866818014, 14.92003959967837089790133230336

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