Properties

Label 2-1287-13.12-c1-0-51
Degree $2$
Conductor $1287$
Sign $-0.686 + 0.726i$
Analytic cond. $10.2767$
Root an. cond. $3.20573$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 0.409i·2-s + 1.83·4-s − 4.13i·5-s − 5.18i·7-s − 1.56i·8-s − 1.69·10-s + i·11-s + (2.62 + 2.47i)13-s − 2.12·14-s + 3.02·16-s − 0.488·17-s − 0.446i·19-s − 7.58i·20-s + 0.409·22-s + 5.50·23-s + ⋯
L(s)  = 1  − 0.289i·2-s + 0.916·4-s − 1.85i·5-s − 1.95i·7-s − 0.554i·8-s − 0.535·10-s + 0.301i·11-s + (0.726 + 0.686i)13-s − 0.566·14-s + 0.755·16-s − 0.118·17-s − 0.102i·19-s − 1.69i·20-s + 0.0872·22-s + 1.14·23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1287 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.686 + 0.726i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1287 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.686 + 0.726i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1287\)    =    \(3^{2} \cdot 11 \cdot 13\)
Sign: $-0.686 + 0.726i$
Analytic conductor: \(10.2767\)
Root analytic conductor: \(3.20573\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1287} (298, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1287,\ (\ :1/2),\ -0.686 + 0.726i)\)

Particular Values

\(L(1)\) \(\approx\) \(2.187141449\)
\(L(\frac12)\) \(\approx\) \(2.187141449\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
11 \( 1 - iT \)
13 \( 1 + (-2.62 - 2.47i)T \)
good2 \( 1 + 0.409iT - 2T^{2} \)
5 \( 1 + 4.13iT - 5T^{2} \)
7 \( 1 + 5.18iT - 7T^{2} \)
17 \( 1 + 0.488T + 17T^{2} \)
19 \( 1 + 0.446iT - 19T^{2} \)
23 \( 1 - 5.50T + 23T^{2} \)
29 \( 1 - 6.58T + 29T^{2} \)
31 \( 1 - 1.52iT - 31T^{2} \)
37 \( 1 - 7.87iT - 37T^{2} \)
41 \( 1 - 8.78iT - 41T^{2} \)
43 \( 1 - 4.57T + 43T^{2} \)
47 \( 1 - 5.42iT - 47T^{2} \)
53 \( 1 + 8.66T + 53T^{2} \)
59 \( 1 - 5.60iT - 59T^{2} \)
61 \( 1 + 0.855T + 61T^{2} \)
67 \( 1 + 3.87iT - 67T^{2} \)
71 \( 1 - 8.49iT - 71T^{2} \)
73 \( 1 + 5.95iT - 73T^{2} \)
79 \( 1 + 8.91T + 79T^{2} \)
83 \( 1 + 0.457iT - 83T^{2} \)
89 \( 1 + 4.68iT - 89T^{2} \)
97 \( 1 + 2.06iT - 97T^{2} \)
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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

−9.491070338023510307833979252017, −8.506274115306691391400527277109, −7.75652867675908100585798571114, −6.93325939832301351823207524860, −6.17077092384537102363776790105, −4.72190976920788852979507241744, −4.37285896243308034275840457581, −3.23329658689383957131335173512, −1.43913408478516504430430008265, −1.00854974209107800343645063027, 2.11322879883306743695345118154, 2.78681061224394910953214534455, 3.41031765514103511992517531986, 5.37997230227675458314646501798, 5.99875198943250184686781825560, 6.53848801784987017532632534076, 7.37785084898478134075596594630, 8.246470144326339777538375639290, 9.034327371040932898037938813434, 10.15409899340011214306689553405

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