Properties

Label 2-387-43.42-c4-0-14
Degree $2$
Conductor $387$
Sign $-0.776 + 0.630i$
Analytic cond. $40.0041$
Root an. cond. $6.32488$
Motivic weight $4$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2.75i·2-s + 8.40·4-s + 21.9i·5-s + 63.3i·7-s + 67.2i·8-s − 60.5·10-s + 1.17·11-s − 173.·13-s − 174.·14-s − 51.0·16-s − 469.·17-s + 27.8i·19-s + 184. i·20-s + 3.22i·22-s − 79.3·23-s + ⋯
L(s)  = 1  + 0.689i·2-s + 0.525·4-s + 0.879i·5-s + 1.29i·7-s + 1.05i·8-s − 0.605·10-s + 0.00967·11-s − 1.02·13-s − 0.890·14-s − 0.199·16-s − 1.62·17-s + 0.0770i·19-s + 0.461i·20-s + 0.00666i·22-s − 0.150·23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 387 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.776 + 0.630i)\, \overline{\Lambda}(5-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 387 ^{s/2} \, \Gamma_{\C}(s+2) \, L(s)\cr =\mathstrut & (-0.776 + 0.630i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(387\)    =    \(3^{2} \cdot 43\)
Sign: $-0.776 + 0.630i$
Analytic conductor: \(40.0041\)
Root analytic conductor: \(6.32488\)
Motivic weight: \(4\)
Rational: no
Arithmetic: yes
Character: $\chi_{387} (343, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 387,\ (\ :2),\ -0.776 + 0.630i)\)

Particular Values

\(L(\frac{5}{2})\) \(\approx\) \(1.390680586\)
\(L(\frac12)\) \(\approx\) \(1.390680586\)
\(L(3)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
43 \( 1 + (1.43e3 - 1.16e3i)T \)
good2 \( 1 - 2.75iT - 16T^{2} \)
5 \( 1 - 21.9iT - 625T^{2} \)
7 \( 1 - 63.3iT - 2.40e3T^{2} \)
11 \( 1 - 1.17T + 1.46e4T^{2} \)
13 \( 1 + 173.T + 2.85e4T^{2} \)
17 \( 1 + 469.T + 8.35e4T^{2} \)
19 \( 1 - 27.8iT - 1.30e5T^{2} \)
23 \( 1 + 79.3T + 2.79e5T^{2} \)
29 \( 1 + 696. iT - 7.07e5T^{2} \)
31 \( 1 - 1.19e3T + 9.23e5T^{2} \)
37 \( 1 + 1.53e3iT - 1.87e6T^{2} \)
41 \( 1 - 2.45e3T + 2.82e6T^{2} \)
47 \( 1 + 1.69e3T + 4.87e6T^{2} \)
53 \( 1 - 1.99e3T + 7.89e6T^{2} \)
59 \( 1 + 3.56e3T + 1.21e7T^{2} \)
61 \( 1 - 5.44e3iT - 1.38e7T^{2} \)
67 \( 1 - 4.93e3T + 2.01e7T^{2} \)
71 \( 1 + 9.66e3iT - 2.54e7T^{2} \)
73 \( 1 - 5.60e3iT - 2.83e7T^{2} \)
79 \( 1 + 1.14e4T + 3.89e7T^{2} \)
83 \( 1 + 5.52e3T + 4.74e7T^{2} \)
89 \( 1 + 2.55e3iT - 6.27e7T^{2} \)
97 \( 1 - 3.65e3T + 8.85e7T^{2} \)
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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

−11.35553586669231688932491229101, −10.42495817781466001925199218186, −9.280635211286271778092591656668, −8.346906164782926294869574750543, −7.34683450225663686233472956699, −6.51929142824768957088495585550, −5.81686684532088895166260353279, −4.63198691943063952311115564165, −2.72777023059354519290006054354, −2.25136198510256681262273227916, 0.36146952907815603256000221237, 1.44132666978241931236278331825, 2.73339645624159899700040067304, 4.11617776886320146111757160362, 4.87290269486201538286050191051, 6.55200739198549285486506178318, 7.20208219607702051152885269239, 8.346648020718751291400193294110, 9.489622851086853353771490570235, 10.27869924366900502979417290884

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