Properties

Label 2-23-1.1-c13-0-3
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  − 11.3·2-s − 618.·3-s − 8.06e3·4-s + 4.11e4·5-s + 6.98e3·6-s − 1.34e5·7-s + 1.83e5·8-s − 1.21e6·9-s − 4.64e5·10-s − 8.15e6·11-s + 4.98e6·12-s − 4.55e6·13-s + 1.51e6·14-s − 2.54e7·15-s + 6.39e7·16-s + 1.53e8·17-s + 1.37e7·18-s − 3.29e7·19-s − 3.31e8·20-s + 8.29e7·21-s + 9.22e7·22-s + 1.48e8·23-s − 1.13e8·24-s + 4.69e8·25-s + 5.14e7·26-s + 1.73e9·27-s + 1.08e9·28-s + ⋯
L(s)  = 1  − 0.124·2-s − 0.489·3-s − 0.984·4-s + 1.17·5-s + 0.0611·6-s − 0.431·7-s + 0.247·8-s − 0.760·9-s − 0.146·10-s − 1.38·11-s + 0.481·12-s − 0.261·13-s + 0.0538·14-s − 0.576·15-s + 0.953·16-s + 1.54·17-s + 0.0949·18-s − 0.160·19-s − 1.15·20-s + 0.211·21-s + 0.173·22-s + 0.208·23-s − 0.121·24-s + 0.385·25-s + 0.0326·26-s + 0.861·27-s + 0.424·28-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

\(L(7)\) \(\approx\) \(1.085436748\)
\(L(\frac12)\) \(\approx\) \(1.085436748\)
\(L(\frac{15}{2})\) 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 \( 1 + 11.3T + 8.19e3T^{2} \)
3 \( 1 + 618.T + 1.59e6T^{2} \)
5 \( 1 - 4.11e4T + 1.22e9T^{2} \)
7 \( 1 + 1.34e5T + 9.68e10T^{2} \)
11 \( 1 + 8.15e6T + 3.45e13T^{2} \)
13 \( 1 + 4.55e6T + 3.02e14T^{2} \)
17 \( 1 - 1.53e8T + 9.90e15T^{2} \)
19 \( 1 + 3.29e7T + 4.20e16T^{2} \)
29 \( 1 - 5.09e9T + 1.02e19T^{2} \)
31 \( 1 - 1.65e9T + 2.44e19T^{2} \)
37 \( 1 - 1.18e10T + 2.43e20T^{2} \)
41 \( 1 - 4.99e10T + 9.25e20T^{2} \)
43 \( 1 + 4.08e10T + 1.71e21T^{2} \)
47 \( 1 - 7.92e10T + 5.46e21T^{2} \)
53 \( 1 + 1.16e11T + 2.60e22T^{2} \)
59 \( 1 - 3.82e11T + 1.04e23T^{2} \)
61 \( 1 - 1.29e11T + 1.61e23T^{2} \)
67 \( 1 + 1.12e12T + 5.48e23T^{2} \)
71 \( 1 - 1.26e12T + 1.16e24T^{2} \)
73 \( 1 - 5.84e11T + 1.67e24T^{2} \)
79 \( 1 + 5.91e11T + 4.66e24T^{2} \)
83 \( 1 - 3.01e12T + 8.87e24T^{2} \)
89 \( 1 - 3.55e12T + 2.19e25T^{2} \)
97 \( 1 + 2.47e12T + 6.73e25T^{2} \)
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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

−14.45742025807735368978895472961, −13.49942897859516242738616924944, −12.42575718236977563410894972920, −10.45637972380379450645564837979, −9.615611798113143722017164796998, −8.105134028699367800115921979985, −5.94645320035820361645340905815, −5.06944810477653660823172355516, −2.81961629635370257100452443495, −0.71344810860913431844948385790, 0.71344810860913431844948385790, 2.81961629635370257100452443495, 5.06944810477653660823172355516, 5.94645320035820361645340905815, 8.105134028699367800115921979985, 9.615611798113143722017164796998, 10.45637972380379450645564837979, 12.42575718236977563410894972920, 13.49942897859516242738616924944, 14.45742025807735368978895472961

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