Properties

Label 2-23-1.1-c17-0-15
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  + 113.·2-s − 1.73e4·3-s − 1.18e5·4-s + 1.00e5·5-s − 1.97e6·6-s + 7.81e6·7-s − 2.83e7·8-s + 1.71e8·9-s + 1.14e7·10-s − 3.42e8·11-s + 2.04e9·12-s + 2.40e9·13-s + 8.89e8·14-s − 1.73e9·15-s + 1.22e10·16-s + 3.54e10·17-s + 1.95e10·18-s + 7.34e10·19-s − 1.18e10·20-s − 1.35e11·21-s − 3.89e10·22-s − 7.83e10·23-s + 4.91e11·24-s − 7.52e11·25-s + 2.74e11·26-s − 7.33e11·27-s − 9.23e11·28-s + ⋯
L(s)  = 1  + 0.314·2-s − 1.52·3-s − 0.901·4-s + 0.114·5-s − 0.479·6-s + 0.512·7-s − 0.597·8-s + 1.32·9-s + 0.0360·10-s − 0.481·11-s + 1.37·12-s + 0.818·13-s + 0.161·14-s − 0.175·15-s + 0.713·16-s + 1.23·17-s + 0.417·18-s + 0.992·19-s − 0.103·20-s − 0.781·21-s − 0.151·22-s − 0.208·23-s + 0.911·24-s − 0.986·25-s + 0.257·26-s − 0.499·27-s − 0.461·28-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 \( 1 - 113.T + 1.31e5T^{2} \)
3 \( 1 + 1.73e4T + 1.29e8T^{2} \)
5 \( 1 - 1.00e5T + 7.62e11T^{2} \)
7 \( 1 - 7.81e6T + 2.32e14T^{2} \)
11 \( 1 + 3.42e8T + 5.05e17T^{2} \)
13 \( 1 - 2.40e9T + 8.65e18T^{2} \)
17 \( 1 - 3.54e10T + 8.27e20T^{2} \)
19 \( 1 - 7.34e10T + 5.48e21T^{2} \)
29 \( 1 + 3.80e12T + 7.25e24T^{2} \)
31 \( 1 + 6.18e12T + 2.25e25T^{2} \)
37 \( 1 - 1.58e12T + 4.56e26T^{2} \)
41 \( 1 - 1.70e13T + 2.61e27T^{2} \)
43 \( 1 - 3.28e13T + 5.87e27T^{2} \)
47 \( 1 - 1.82e14T + 2.66e28T^{2} \)
53 \( 1 + 4.78e14T + 2.05e29T^{2} \)
59 \( 1 - 1.17e15T + 1.27e30T^{2} \)
61 \( 1 + 1.03e15T + 2.24e30T^{2} \)
67 \( 1 - 1.88e15T + 1.10e31T^{2} \)
71 \( 1 - 6.67e14T + 2.96e31T^{2} \)
73 \( 1 - 3.33e15T + 4.74e31T^{2} \)
79 \( 1 + 8.47e15T + 1.81e32T^{2} \)
83 \( 1 - 6.08e15T + 4.21e32T^{2} \)
89 \( 1 - 1.87e16T + 1.37e33T^{2} \)
97 \( 1 + 1.37e16T + 5.95e33T^{2} \)
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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

−13.10518854764255112493522419207, −11.99140918878363046211663615339, −10.89105960371875666694624321155, −9.550218808585970952825993186410, −7.75191902965920229473551400074, −5.79985039285451090459054665518, −5.25533057115416513100635401454, −3.77836108506994807363868687696, −1.21816553566593693198062868756, 0, 1.21816553566593693198062868756, 3.77836108506994807363868687696, 5.25533057115416513100635401454, 5.79985039285451090459054665518, 7.75191902965920229473551400074, 9.550218808585970952825993186410, 10.89105960371875666694624321155, 11.99140918878363046211663615339, 13.10518854764255112493522419207

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