Properties

Label 2-23-1.1-c7-0-11
Degree $2$
Conductor $23$
Sign $-1$
Analytic cond. $7.18485$
Root an. cond. $2.68045$
Motivic weight $7$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 0.402·2-s + 50.9·3-s − 127.·4-s − 384.·5-s − 20.4·6-s − 88.4·7-s + 102.·8-s + 404.·9-s + 154.·10-s − 1.54e3·11-s − 6.50e3·12-s − 1.07e4·13-s + 35.5·14-s − 1.95e4·15-s + 1.63e4·16-s + 1.33e3·17-s − 162.·18-s + 2.04e3·19-s + 4.91e4·20-s − 4.50e3·21-s + 620.·22-s + 1.21e4·23-s + 5.23e3·24-s + 6.98e4·25-s + 4.30e3·26-s − 9.07e4·27-s + 1.13e4·28-s + ⋯
L(s)  = 1  − 0.0355·2-s + 1.08·3-s − 0.998·4-s − 1.37·5-s − 0.0387·6-s − 0.0974·7-s + 0.0710·8-s + 0.185·9-s + 0.0489·10-s − 0.349·11-s − 1.08·12-s − 1.35·13-s + 0.00346·14-s − 1.49·15-s + 0.996·16-s + 0.0658·17-s − 0.00658·18-s + 0.0684·19-s + 1.37·20-s − 0.106·21-s + 0.0124·22-s + 0.208·23-s + 0.0773·24-s + 0.894·25-s + 0.0480·26-s − 0.887·27-s + 0.0973·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 23 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 23 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(23\)
Sign: $-1$
Analytic conductor: \(7.18485\)
Root analytic conductor: \(2.68045\)
Motivic weight: \(7\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 23,\ (\ :7/2),\ -1)\)

Particular Values

\(L(4)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad23 \( 1 - 1.21e4T \)
good2 \( 1 + 0.402T + 128T^{2} \)
3 \( 1 - 50.9T + 2.18e3T^{2} \)
5 \( 1 + 384.T + 7.81e4T^{2} \)
7 \( 1 + 88.4T + 8.23e5T^{2} \)
11 \( 1 + 1.54e3T + 1.94e7T^{2} \)
13 \( 1 + 1.07e4T + 6.27e7T^{2} \)
17 \( 1 - 1.33e3T + 4.10e8T^{2} \)
19 \( 1 - 2.04e3T + 8.93e8T^{2} \)
29 \( 1 - 8.36e4T + 1.72e10T^{2} \)
31 \( 1 - 6.48e4T + 2.75e10T^{2} \)
37 \( 1 - 4.53e5T + 9.49e10T^{2} \)
41 \( 1 + 3.45e5T + 1.94e11T^{2} \)
43 \( 1 + 9.31e5T + 2.71e11T^{2} \)
47 \( 1 + 5.26e5T + 5.06e11T^{2} \)
53 \( 1 - 1.69e6T + 1.17e12T^{2} \)
59 \( 1 + 2.43e6T + 2.48e12T^{2} \)
61 \( 1 + 6.85e5T + 3.14e12T^{2} \)
67 \( 1 + 1.97e6T + 6.06e12T^{2} \)
71 \( 1 - 4.72e6T + 9.09e12T^{2} \)
73 \( 1 + 5.25e6T + 1.10e13T^{2} \)
79 \( 1 + 6.35e6T + 1.92e13T^{2} \)
83 \( 1 - 4.47e6T + 2.71e13T^{2} \)
89 \( 1 + 7.76e6T + 4.42e13T^{2} \)
97 \( 1 - 1.41e7T + 8.07e13T^{2} \)
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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

−15.26465499638114515117145314045, −14.49521149274910143064516688385, −13.19642673757745437351184968179, −11.86836316409778932434866738110, −9.855154061845855426011124582736, −8.501134136330902748433768056869, −7.63694394624244850082204076734, −4.64307867786491467065333592975, −3.16804945304163144511176811500, 0, 3.16804945304163144511176811500, 4.64307867786491467065333592975, 7.63694394624244850082204076734, 8.501134136330902748433768056869, 9.855154061845855426011124582736, 11.86836316409778932434866738110, 13.19642673757745437351184968179, 14.49521149274910143064516688385, 15.26465499638114515117145314045

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