Properties

Label 2-387-43.13-c1-0-8
Degree $2$
Conductor $387$
Sign $0.449 - 0.893i$
Analytic cond. $3.09021$
Root an. cond. $1.75789$
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  + (−0.188 + 0.826i)2-s + (1.15 + 0.556i)4-s + (3.39 + 0.512i)5-s + (−0.134 + 0.232i)7-s + (−1.73 + 2.17i)8-s + (−1.06 + 2.71i)10-s + (2.96 − 1.42i)11-s + (−0.736 − 1.87i)13-s + (−0.167 − 0.155i)14-s + (0.129 + 0.161i)16-s + (−6.37 + 0.960i)17-s + (−0.449 − 5.99i)19-s + (3.63 + 2.48i)20-s + (0.621 + 2.72i)22-s + (1.83 + 1.25i)23-s + ⋯
L(s)  = 1  + (−0.133 + 0.584i)2-s + (0.577 + 0.278i)4-s + (1.51 + 0.229i)5-s + (−0.0508 + 0.0880i)7-s + (−0.613 + 0.768i)8-s + (−0.336 + 0.857i)10-s + (0.894 − 0.430i)11-s + (−0.204 − 0.520i)13-s + (−0.0446 − 0.0414i)14-s + (0.0322 + 0.0404i)16-s + (−1.54 + 0.233i)17-s + (−0.103 − 1.37i)19-s + (0.813 + 0.554i)20-s + (0.132 + 0.580i)22-s + (0.382 + 0.260i)23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 387 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.449 - 0.893i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 387 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.449 - 0.893i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(387\)    =    \(3^{2} \cdot 43\)
Sign: $0.449 - 0.893i$
Analytic conductor: \(3.09021\)
Root analytic conductor: \(1.75789\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{387} (271, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 387,\ (\ :1/2),\ 0.449 - 0.893i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.54602 + 0.953091i\)
\(L(\frac12)\) \(\approx\) \(1.54602 + 0.953091i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
43 \( 1 + (4.01 - 5.18i)T \)
good2 \( 1 + (0.188 - 0.826i)T + (-1.80 - 0.867i)T^{2} \)
5 \( 1 + (-3.39 - 0.512i)T + (4.77 + 1.47i)T^{2} \)
7 \( 1 + (0.134 - 0.232i)T + (-3.5 - 6.06i)T^{2} \)
11 \( 1 + (-2.96 + 1.42i)T + (6.85 - 8.60i)T^{2} \)
13 \( 1 + (0.736 + 1.87i)T + (-9.52 + 8.84i)T^{2} \)
17 \( 1 + (6.37 - 0.960i)T + (16.2 - 5.01i)T^{2} \)
19 \( 1 + (0.449 + 5.99i)T + (-18.7 + 2.83i)T^{2} \)
23 \( 1 + (-1.83 - 1.25i)T + (8.40 + 21.4i)T^{2} \)
29 \( 1 + (1.75 + 1.63i)T + (2.16 + 28.9i)T^{2} \)
31 \( 1 + (4.93 - 1.52i)T + (25.6 - 17.4i)T^{2} \)
37 \( 1 + (-2.63 - 4.56i)T + (-18.5 + 32.0i)T^{2} \)
41 \( 1 + (-0.643 + 2.81i)T + (-36.9 - 17.7i)T^{2} \)
47 \( 1 + (-5.31 - 2.56i)T + (29.3 + 36.7i)T^{2} \)
53 \( 1 + (2.34 - 5.97i)T + (-38.8 - 36.0i)T^{2} \)
59 \( 1 + (8.36 + 10.4i)T + (-13.1 + 57.5i)T^{2} \)
61 \( 1 + (9.50 + 2.93i)T + (50.4 + 34.3i)T^{2} \)
67 \( 1 + (0.950 + 12.6i)T + (-66.2 + 9.98i)T^{2} \)
71 \( 1 + (-4.98 + 3.40i)T + (25.9 - 66.0i)T^{2} \)
73 \( 1 + (-0.609 - 1.55i)T + (-53.5 + 49.6i)T^{2} \)
79 \( 1 + (-6.97 + 12.0i)T + (-39.5 - 68.4i)T^{2} \)
83 \( 1 + (-5.60 + 5.19i)T + (6.20 - 82.7i)T^{2} \)
89 \( 1 + (-1.32 + 1.23i)T + (6.65 - 88.7i)T^{2} \)
97 \( 1 + (-2.36 + 1.13i)T + (60.4 - 75.8i)T^{2} \)
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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

−11.20988817760994059445464888243, −10.75368676177642081363733535707, −9.289852633907289471289435256034, −8.976313119082747151751775651564, −7.58073514673091935376034774673, −6.46496594893154414548020846401, −6.17954500625584658022140434071, −4.90929523965339003121149585302, −3.03490671640133123521693945448, −1.96578618643163467952107209281, 1.59360219699502305273502143012, 2.33394327285996203991531294179, 4.02630090013616682294568782834, 5.50535232629114279627992769327, 6.39466756973797512712926048460, 7.09331444587848306709037744543, 8.917001649098590634927236442049, 9.454307093487183542479057916841, 10.24365310755585455159145868967, 11.04001934792127689984138364802

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