Properties

Label 2-387-1.1-c9-0-21
Degree $2$
Conductor $387$
Sign $1$
Analytic cond. $199.318$
Root an. cond. $14.1180$
Motivic weight $9$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 15.0·2-s − 285.·4-s − 1.87e3·5-s − 7.04e3·7-s + 1.20e4·8-s + 2.82e4·10-s + 2.47e3·11-s + 1.03e5·13-s + 1.06e5·14-s − 3.49e4·16-s + 5.29e5·17-s − 4.31e5·19-s + 5.35e5·20-s − 3.73e4·22-s + 1.00e5·23-s + 1.56e6·25-s − 1.55e6·26-s + 2.00e6·28-s + 7.09e6·29-s − 3.27e6·31-s − 5.62e6·32-s − 7.97e6·34-s + 1.32e7·35-s − 4.41e6·37-s + 6.50e6·38-s − 2.25e7·40-s − 1.81e7·41-s + ⋯
L(s)  = 1  − 0.665·2-s − 0.556·4-s − 1.34·5-s − 1.10·7-s + 1.03·8-s + 0.894·10-s + 0.0510·11-s + 1.00·13-s + 0.737·14-s − 0.133·16-s + 1.53·17-s − 0.760·19-s + 0.747·20-s − 0.0339·22-s + 0.0749·23-s + 0.803·25-s − 0.666·26-s + 0.617·28-s + 1.86·29-s − 0.636·31-s − 0.947·32-s − 1.02·34-s + 1.48·35-s − 0.387·37-s + 0.506·38-s − 1.39·40-s − 1.00·41-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 387 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(10-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 387 ^{s/2} \, \Gamma_{\C}(s+9/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(387\)    =    \(3^{2} \cdot 43\)
Sign: $1$
Analytic conductor: \(199.318\)
Root analytic conductor: \(14.1180\)
Motivic weight: \(9\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 387,\ (\ :9/2),\ 1)\)

Particular Values

\(L(5)\) \(\approx\) \(0.4868346305\)
\(L(\frac12)\) \(\approx\) \(0.4868346305\)
\(L(\frac{11}{2})\) 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 \( 1 + 3.41e6T \)
good2 \( 1 + 15.0T + 512T^{2} \)
5 \( 1 + 1.87e3T + 1.95e6T^{2} \)
7 \( 1 + 7.04e3T + 4.03e7T^{2} \)
11 \( 1 - 2.47e3T + 2.35e9T^{2} \)
13 \( 1 - 1.03e5T + 1.06e10T^{2} \)
17 \( 1 - 5.29e5T + 1.18e11T^{2} \)
19 \( 1 + 4.31e5T + 3.22e11T^{2} \)
23 \( 1 - 1.00e5T + 1.80e12T^{2} \)
29 \( 1 - 7.09e6T + 1.45e13T^{2} \)
31 \( 1 + 3.27e6T + 2.64e13T^{2} \)
37 \( 1 + 4.41e6T + 1.29e14T^{2} \)
41 \( 1 + 1.81e7T + 3.27e14T^{2} \)
47 \( 1 + 5.52e7T + 1.11e15T^{2} \)
53 \( 1 - 8.53e6T + 3.29e15T^{2} \)
59 \( 1 - 1.92e7T + 8.66e15T^{2} \)
61 \( 1 + 9.01e6T + 1.16e16T^{2} \)
67 \( 1 - 1.40e8T + 2.72e16T^{2} \)
71 \( 1 + 2.63e8T + 4.58e16T^{2} \)
73 \( 1 + 1.09e8T + 5.88e16T^{2} \)
79 \( 1 + 6.39e7T + 1.19e17T^{2} \)
83 \( 1 + 4.71e8T + 1.86e17T^{2} \)
89 \( 1 - 1.07e9T + 3.50e17T^{2} \)
97 \( 1 + 2.81e8T + 7.60e17T^{2} \)
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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

−9.847683021086806623299474100108, −8.679843435188212605635688214770, −8.218263729123623129840889372841, −7.25815393081520945806634707186, −6.23969436233856420395905122482, −4.87491861748512228919651132815, −3.79009244503468289138216468255, −3.23439428523708565038081929843, −1.30398703400478036456871720908, −0.36737640504117790908416739911, 0.36737640504117790908416739911, 1.30398703400478036456871720908, 3.23439428523708565038081929843, 3.79009244503468289138216468255, 4.87491861748512228919651132815, 6.23969436233856420395905122482, 7.25815393081520945806634707186, 8.218263729123623129840889372841, 8.679843435188212605635688214770, 9.847683021086806623299474100108

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