Properties

Label 2-23-1.1-c17-0-28
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  + 473.·2-s + 2.40e3·3-s + 9.35e4·4-s − 3.13e5·5-s + 1.13e6·6-s + 1.02e7·7-s − 1.77e7·8-s − 1.23e8·9-s − 1.48e8·10-s + 2.58e8·11-s + 2.24e8·12-s − 2.56e9·13-s + 4.85e9·14-s − 7.51e8·15-s − 2.06e10·16-s − 3.42e9·17-s − 5.84e10·18-s − 3.14e9·19-s − 2.92e10·20-s + 2.45e10·21-s + 1.22e11·22-s − 7.83e10·23-s − 4.27e10·24-s − 6.64e11·25-s − 1.21e12·26-s − 6.06e11·27-s + 9.57e11·28-s + ⋯
L(s)  = 1  + 1.30·2-s + 0.211·3-s + 0.713·4-s − 0.358·5-s + 0.276·6-s + 0.671·7-s − 0.374·8-s − 0.955·9-s − 0.469·10-s + 0.363·11-s + 0.150·12-s − 0.873·13-s + 0.878·14-s − 0.0757·15-s − 1.20·16-s − 0.118·17-s − 1.25·18-s − 0.0424·19-s − 0.255·20-s + 0.141·21-s + 0.476·22-s − 0.208·23-s − 0.0792·24-s − 0.871·25-s − 1.14·26-s − 0.413·27-s + 0.479·28-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 \( 1 - 473.T + 1.31e5T^{2} \)
3 \( 1 - 2.40e3T + 1.29e8T^{2} \)
5 \( 1 + 3.13e5T + 7.62e11T^{2} \)
7 \( 1 - 1.02e7T + 2.32e14T^{2} \)
11 \( 1 - 2.58e8T + 5.05e17T^{2} \)
13 \( 1 + 2.56e9T + 8.65e18T^{2} \)
17 \( 1 + 3.42e9T + 8.27e20T^{2} \)
19 \( 1 + 3.14e9T + 5.48e21T^{2} \)
29 \( 1 + 3.25e12T + 7.25e24T^{2} \)
31 \( 1 + 2.84e12T + 2.25e25T^{2} \)
37 \( 1 - 3.54e13T + 4.56e26T^{2} \)
41 \( 1 + 3.34e13T + 2.61e27T^{2} \)
43 \( 1 - 2.13e12T + 5.87e27T^{2} \)
47 \( 1 - 1.37e13T + 2.66e28T^{2} \)
53 \( 1 - 2.66e14T + 2.05e29T^{2} \)
59 \( 1 + 2.41e14T + 1.27e30T^{2} \)
61 \( 1 + 1.79e15T + 2.24e30T^{2} \)
67 \( 1 + 4.38e15T + 1.10e31T^{2} \)
71 \( 1 + 6.35e15T + 2.96e31T^{2} \)
73 \( 1 - 1.21e16T + 4.74e31T^{2} \)
79 \( 1 - 1.58e16T + 1.81e32T^{2} \)
83 \( 1 - 2.25e16T + 4.21e32T^{2} \)
89 \( 1 - 3.04e16T + 1.37e33T^{2} \)
97 \( 1 - 6.14e16T + 5.95e33T^{2} \)
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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

−13.45313944846794527040310167231, −12.08703987034837478697999587904, −11.27410369126127634042316118367, −9.208354841756174454405998322240, −7.72171049684873045620070030195, −5.98293381207186817142794589267, −4.79512128661268637229922583090, −3.57767054953846969560307646013, −2.22062630089728786182807260819, 0, 2.22062630089728786182807260819, 3.57767054953846969560307646013, 4.79512128661268637229922583090, 5.98293381207186817142794589267, 7.72171049684873045620070030195, 9.208354841756174454405998322240, 11.27410369126127634042316118367, 12.08703987034837478697999587904, 13.45313944846794527040310167231

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