Properties

Label 2-1386-21.5-c1-0-8
Degree $2$
Conductor $1386$
Sign $0.286 - 0.958i$
Analytic cond. $11.0672$
Root an. cond. $3.32675$
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  + (0.866 + 0.5i)2-s + (0.499 + 0.866i)4-s + (−0.0340 + 0.0590i)5-s + (−2.19 − 1.48i)7-s + 0.999i·8-s + (−0.0590 + 0.0340i)10-s + (0.866 − 0.5i)11-s + 2.44i·13-s + (−1.15 − 2.38i)14-s + (−0.5 + 0.866i)16-s + (0.817 + 1.41i)17-s + (6.28 + 3.62i)19-s − 0.0681·20-s + 0.999·22-s + (0.405 + 0.233i)23-s + ⋯
L(s)  = 1  + (0.612 + 0.353i)2-s + (0.249 + 0.433i)4-s + (−0.0152 + 0.0263i)5-s + (−0.827 − 0.560i)7-s + 0.353i·8-s + (−0.0186 + 0.0107i)10-s + (0.261 − 0.150i)11-s + 0.679i·13-s + (−0.308 − 0.636i)14-s + (−0.125 + 0.216i)16-s + (0.198 + 0.343i)17-s + (1.44 + 0.832i)19-s − 0.0152·20-s + 0.213·22-s + (0.0844 + 0.0487i)23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1386 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.286 - 0.958i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1386 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.286 - 0.958i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1386\)    =    \(2 \cdot 3^{2} \cdot 7 \cdot 11\)
Sign: $0.286 - 0.958i$
Analytic conductor: \(11.0672\)
Root analytic conductor: \(3.32675\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1386} (89, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1386,\ (\ :1/2),\ 0.286 - 0.958i)\)

Particular Values

\(L(1)\) \(\approx\) \(2.161640664\)
\(L(\frac12)\) \(\approx\) \(2.161640664\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (-0.866 - 0.5i)T \)
3 \( 1 \)
7 \( 1 + (2.19 + 1.48i)T \)
11 \( 1 + (-0.866 + 0.5i)T \)
good5 \( 1 + (0.0340 - 0.0590i)T + (-2.5 - 4.33i)T^{2} \)
13 \( 1 - 2.44iT - 13T^{2} \)
17 \( 1 + (-0.817 - 1.41i)T + (-8.5 + 14.7i)T^{2} \)
19 \( 1 + (-6.28 - 3.62i)T + (9.5 + 16.4i)T^{2} \)
23 \( 1 + (-0.405 - 0.233i)T + (11.5 + 19.9i)T^{2} \)
29 \( 1 - 7.23iT - 29T^{2} \)
31 \( 1 + (0.201 - 0.116i)T + (15.5 - 26.8i)T^{2} \)
37 \( 1 + (-2.74 + 4.75i)T + (-18.5 - 32.0i)T^{2} \)
41 \( 1 - 5.38T + 41T^{2} \)
43 \( 1 - 9.64T + 43T^{2} \)
47 \( 1 + (4.31 - 7.46i)T + (-23.5 - 40.7i)T^{2} \)
53 \( 1 + (7.34 - 4.23i)T + (26.5 - 45.8i)T^{2} \)
59 \( 1 + (-0.439 - 0.760i)T + (-29.5 + 51.0i)T^{2} \)
61 \( 1 + (8.63 + 4.98i)T + (30.5 + 52.8i)T^{2} \)
67 \( 1 + (-1.52 - 2.64i)T + (-33.5 + 58.0i)T^{2} \)
71 \( 1 + 15.8iT - 71T^{2} \)
73 \( 1 + (-6.76 + 3.90i)T + (36.5 - 63.2i)T^{2} \)
79 \( 1 + (-5.76 + 9.98i)T + (-39.5 - 68.4i)T^{2} \)
83 \( 1 + 17.1T + 83T^{2} \)
89 \( 1 + (5.33 - 9.24i)T + (-44.5 - 77.0i)T^{2} \)
97 \( 1 - 9.99iT - 97T^{2} \)
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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

−9.499732589753570768648667354447, −9.144647713622144678819840798731, −7.77386798204119769174331328162, −7.29336778307534285818827228348, −6.38211114293547210422311756767, −5.70219016169593512963865196348, −4.64361321305013970086728185734, −3.67349029756666596026274598933, −3.02980604434901992278771814144, −1.36151109811553977603901178645, 0.794428952103548291499008829329, 2.51840495365023115795525660253, 3.12165818143853818925515534979, 4.25139111711237962072586424004, 5.23776999136146962117962742763, 5.97123067797093066986926755881, 6.80034852597897910843070051255, 7.69421048383305638106489967784, 8.748148538689386812390556921868, 9.682654556741832856501690376808

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