Properties

Label 2-387-43.27-c2-0-5
Degree $2$
Conductor $387$
Sign $-0.973 + 0.226i$
Analytic cond. $10.5449$
Root an. cond. $3.24730$
Motivic weight $2$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−1.71 + 0.392i)2-s + (−0.804 + 0.387i)4-s + (−5.40 + 4.30i)5-s + 6.65i·7-s + (6.74 − 5.37i)8-s + (7.59 − 9.52i)10-s + (16.0 + 7.72i)11-s + (12.5 + 15.7i)13-s + (−2.60 − 11.4i)14-s + (−7.25 + 9.09i)16-s + (−12.5 + 15.7i)17-s + (−4.58 − 9.52i)19-s + (2.67 − 5.55i)20-s + (−30.5 − 6.97i)22-s + (−25.0 − 12.0i)23-s + ⋯
L(s)  = 1  + (−0.859 + 0.196i)2-s + (−0.201 + 0.0968i)4-s + (−1.08 + 0.861i)5-s + 0.950i·7-s + (0.842 − 0.672i)8-s + (0.759 − 0.952i)10-s + (1.45 + 0.701i)11-s + (0.966 + 1.21i)13-s + (−0.186 − 0.816i)14-s + (−0.453 + 0.568i)16-s + (−0.737 + 0.925i)17-s + (−0.241 − 0.501i)19-s + (0.133 − 0.277i)20-s + (−1.38 − 0.317i)22-s + (−1.09 − 0.525i)23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 387 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.973 + 0.226i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 387 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (-0.973 + 0.226i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(387\)    =    \(3^{2} \cdot 43\)
Sign: $-0.973 + 0.226i$
Analytic conductor: \(10.5449\)
Root analytic conductor: \(3.24730\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{387} (199, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 387,\ (\ :1),\ -0.973 + 0.226i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.0594402 - 0.516949i\)
\(L(\frac12)\) \(\approx\) \(0.0594402 - 0.516949i\)
\(L(2)\) 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 \( 1 + (38.1 - 19.8i)T \)
good2 \( 1 + (1.71 - 0.392i)T + (3.60 - 1.73i)T^{2} \)
5 \( 1 + (5.40 - 4.30i)T + (5.56 - 24.3i)T^{2} \)
7 \( 1 - 6.65iT - 49T^{2} \)
11 \( 1 + (-16.0 - 7.72i)T + (75.4 + 94.6i)T^{2} \)
13 \( 1 + (-12.5 - 15.7i)T + (-37.6 + 164. i)T^{2} \)
17 \( 1 + (12.5 - 15.7i)T + (-64.3 - 281. i)T^{2} \)
19 \( 1 + (4.58 + 9.52i)T + (-225. + 282. i)T^{2} \)
23 \( 1 + (25.0 + 12.0i)T + (329. + 413. i)T^{2} \)
29 \( 1 + (8.39 - 1.91i)T + (757. - 364. i)T^{2} \)
31 \( 1 + (-3.83 - 16.7i)T + (-865. + 416. i)T^{2} \)
37 \( 1 + 32.9iT - 1.36e3T^{2} \)
41 \( 1 + (-7.59 - 33.2i)T + (-1.51e3 + 729. i)T^{2} \)
47 \( 1 + (24.4 - 11.7i)T + (1.37e3 - 1.72e3i)T^{2} \)
53 \( 1 + (-54.8 + 68.8i)T + (-625. - 2.73e3i)T^{2} \)
59 \( 1 + (-19.1 + 23.9i)T + (-774. - 3.39e3i)T^{2} \)
61 \( 1 + (12.5 + 2.87i)T + (3.35e3 + 1.61e3i)T^{2} \)
67 \( 1 + (17.6 - 8.52i)T + (2.79e3 - 3.50e3i)T^{2} \)
71 \( 1 + (22.2 + 46.3i)T + (-3.14e3 + 3.94e3i)T^{2} \)
73 \( 1 + (-6.25 + 4.98i)T + (1.18e3 - 5.19e3i)T^{2} \)
79 \( 1 + 8.15T + 6.24e3T^{2} \)
83 \( 1 + (-4.73 + 20.7i)T + (-6.20e3 - 2.98e3i)T^{2} \)
89 \( 1 + (-62.1 - 14.1i)T + (7.13e3 + 3.43e3i)T^{2} \)
97 \( 1 + (53.1 + 25.5i)T + (5.86e3 + 7.35e3i)T^{2} \)
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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

−11.53279033318377256596267877268, −10.69222624575739957607970009950, −9.486572415256705513665107017484, −8.802442996497082152030083816781, −8.127998544055416818374132035166, −6.87802118115616177648458050624, −6.43191491140368626486807627037, −4.34637951948447717268212316000, −3.75530564456315929278132578763, −1.82348879434481097563265852972, 0.37191428287510528497214340745, 1.22377291807646809355702133750, 3.71868246597227036931515747669, 4.35675631615153758018106935908, 5.75117334587453513489357104620, 7.20084781387883362381629164770, 8.198332333326496548360422476748, 8.624982192420871007584382885442, 9.608119154917991495748844090336, 10.60070129351406633757799021308

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