Properties

Label 2-23-1.1-c17-0-23
Degree $2$
Conductor $23$
Sign $-1$
Analytic cond. $42.1410$
Root an. cond. $6.49161$
Motivic weight $17$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 519.·2-s + 1.33e4·3-s + 1.38e5·4-s + 3.29e5·5-s − 6.94e6·6-s + 1.47e7·7-s − 3.82e6·8-s + 4.98e7·9-s − 1.71e8·10-s − 3.09e8·11-s + 1.85e9·12-s − 5.57e9·13-s − 7.67e9·14-s + 4.41e9·15-s − 1.61e10·16-s − 4.02e10·17-s − 2.58e10·18-s + 1.16e11·19-s + 4.56e10·20-s + 1.97e11·21-s + 1.60e11·22-s − 7.83e10·23-s − 5.11e10·24-s − 6.54e11·25-s + 2.89e12·26-s − 1.06e12·27-s + 2.04e12·28-s + ⋯
L(s)  = 1  − 1.43·2-s + 1.17·3-s + 1.05·4-s + 0.377·5-s − 1.68·6-s + 0.968·7-s − 0.0805·8-s + 0.386·9-s − 0.541·10-s − 0.435·11-s + 1.24·12-s − 1.89·13-s − 1.38·14-s + 0.444·15-s − 0.940·16-s − 1.39·17-s − 0.553·18-s + 1.57·19-s + 0.398·20-s + 1.14·21-s + 0.623·22-s − 0.208·23-s − 0.0948·24-s − 0.857·25-s + 2.71·26-s − 0.722·27-s + 1.02·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 23 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(18-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 23 ^{s/2} \, \Gamma_{\C}(s+17/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(23\)
Sign: $-1$
Analytic conductor: \(42.1410\)
Root analytic conductor: \(6.49161\)
Motivic weight: \(17\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 23,\ (\ :17/2),\ -1)\)

Particular Values

\(L(9)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{19}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad23 \( 1 + 7.83e10T \)
good2 \( 1 + 519.T + 1.31e5T^{2} \)
3 \( 1 - 1.33e4T + 1.29e8T^{2} \)
5 \( 1 - 3.29e5T + 7.62e11T^{2} \)
7 \( 1 - 1.47e7T + 2.32e14T^{2} \)
11 \( 1 + 3.09e8T + 5.05e17T^{2} \)
13 \( 1 + 5.57e9T + 8.65e18T^{2} \)
17 \( 1 + 4.02e10T + 8.27e20T^{2} \)
19 \( 1 - 1.16e11T + 5.48e21T^{2} \)
29 \( 1 - 2.70e12T + 7.25e24T^{2} \)
31 \( 1 + 4.10e11T + 2.25e25T^{2} \)
37 \( 1 + 2.24e13T + 4.56e26T^{2} \)
41 \( 1 - 1.25e13T + 2.61e27T^{2} \)
43 \( 1 - 5.34e13T + 5.87e27T^{2} \)
47 \( 1 + 3.17e14T + 2.66e28T^{2} \)
53 \( 1 - 4.36e13T + 2.05e29T^{2} \)
59 \( 1 + 2.43e14T + 1.27e30T^{2} \)
61 \( 1 - 1.52e15T + 2.24e30T^{2} \)
67 \( 1 + 5.39e15T + 1.10e31T^{2} \)
71 \( 1 - 5.08e14T + 2.96e31T^{2} \)
73 \( 1 + 5.69e15T + 4.74e31T^{2} \)
79 \( 1 + 8.08e15T + 1.81e32T^{2} \)
83 \( 1 - 9.04e15T + 4.21e32T^{2} \)
89 \( 1 - 3.54e16T + 1.37e33T^{2} \)
97 \( 1 + 5.46e16T + 5.95e33T^{2} \)
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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

−13.59583915798910943443841206119, −11.60985418079714403294319049224, −10.09077893867368471643238705390, −9.213155476516617900532248892675, −8.116239258466034329967661599612, −7.30973708167963156393989380473, −4.84279905721200289171300547048, −2.59783455981676816998718721926, −1.73227373038136342241379649448, 0, 1.73227373038136342241379649448, 2.59783455981676816998718721926, 4.84279905721200289171300547048, 7.30973708167963156393989380473, 8.116239258466034329967661599612, 9.213155476516617900532248892675, 10.09077893867368471643238705390, 11.60985418079714403294319049224, 13.59583915798910943443841206119

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