Properties

Label 2-23-1.1-c11-0-7
Degree $2$
Conductor $23$
Sign $1$
Analytic cond. $17.6718$
Root an. cond. $4.20379$
Motivic weight $11$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 3.40·2-s + 746.·3-s − 2.03e3·4-s − 1.14e4·5-s − 2.54e3·6-s + 3.86e4·7-s + 1.39e4·8-s + 3.80e5·9-s + 3.89e4·10-s + 7.33e5·11-s − 1.52e6·12-s + 1.73e6·13-s − 1.31e5·14-s − 8.53e6·15-s + 4.12e6·16-s − 7.09e5·17-s − 1.29e6·18-s + 4.74e6·19-s + 2.32e7·20-s + 2.88e7·21-s − 2.49e6·22-s − 6.43e6·23-s + 1.03e7·24-s + 8.17e7·25-s − 5.91e6·26-s + 1.51e8·27-s − 7.86e7·28-s + ⋯
L(s)  = 1  − 0.0752·2-s + 1.77·3-s − 0.994·4-s − 1.63·5-s − 0.133·6-s + 0.868·7-s + 0.150·8-s + 2.14·9-s + 0.123·10-s + 1.37·11-s − 1.76·12-s + 1.29·13-s − 0.0653·14-s − 2.90·15-s + 0.983·16-s − 0.121·17-s − 0.161·18-s + 0.439·19-s + 1.62·20-s + 1.54·21-s − 0.103·22-s − 0.208·23-s + 0.266·24-s + 1.67·25-s − 0.0976·26-s + 2.03·27-s − 0.864·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 23 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(12-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 23 ^{s/2} \, \Gamma_{\C}(s+11/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(23\)
Sign: $1$
Analytic conductor: \(17.6718\)
Root analytic conductor: \(4.20379\)
Motivic weight: \(11\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 23,\ (\ :11/2),\ 1)\)

Particular Values

\(L(6)\) \(\approx\) \(2.513447564\)
\(L(\frac12)\) \(\approx\) \(2.513447564\)
\(L(\frac{13}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad23 \( 1 + 6.43e6T \)
good2 \( 1 + 3.40T + 2.04e3T^{2} \)
3 \( 1 - 746.T + 1.77e5T^{2} \)
5 \( 1 + 1.14e4T + 4.88e7T^{2} \)
7 \( 1 - 3.86e4T + 1.97e9T^{2} \)
11 \( 1 - 7.33e5T + 2.85e11T^{2} \)
13 \( 1 - 1.73e6T + 1.79e12T^{2} \)
17 \( 1 + 7.09e5T + 3.42e13T^{2} \)
19 \( 1 - 4.74e6T + 1.16e14T^{2} \)
29 \( 1 + 4.78e7T + 1.22e16T^{2} \)
31 \( 1 + 2.42e8T + 2.54e16T^{2} \)
37 \( 1 - 5.88e8T + 1.77e17T^{2} \)
41 \( 1 - 1.50e8T + 5.50e17T^{2} \)
43 \( 1 - 1.52e9T + 9.29e17T^{2} \)
47 \( 1 + 1.47e9T + 2.47e18T^{2} \)
53 \( 1 + 8.04e8T + 9.26e18T^{2} \)
59 \( 1 - 8.78e9T + 3.01e19T^{2} \)
61 \( 1 - 2.87e9T + 4.35e19T^{2} \)
67 \( 1 - 1.69e9T + 1.22e20T^{2} \)
71 \( 1 + 3.27e8T + 2.31e20T^{2} \)
73 \( 1 + 1.74e10T + 3.13e20T^{2} \)
79 \( 1 + 2.59e10T + 7.47e20T^{2} \)
83 \( 1 - 5.05e10T + 1.28e21T^{2} \)
89 \( 1 + 4.36e10T + 2.77e21T^{2} \)
97 \( 1 + 4.61e10T + 7.15e21T^{2} \)
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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

−14.80724496120564602266005953317, −14.30623822506695264318823184666, −12.96500994942544508243876647696, −11.35350266652572856381414591796, −9.220919584060823312081363450276, −8.429843159719380179210466863241, −7.58533352788874773867267821781, −4.18003504441529912615311393460, −3.63669267560571451309218530662, −1.20727324447892347666792247959, 1.20727324447892347666792247959, 3.63669267560571451309218530662, 4.18003504441529912615311393460, 7.58533352788874773867267821781, 8.429843159719380179210466863241, 9.220919584060823312081363450276, 11.35350266652572856381414591796, 12.96500994942544508243876647696, 14.30623822506695264318823184666, 14.80724496120564602266005953317

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