Properties

Label 2-381-1.1-c1-0-19
Degree $2$
Conductor $381$
Sign $-1$
Analytic cond. $3.04230$
Root an. cond. $1.74421$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 1.14·2-s − 3-s − 0.697·4-s + 0.866·5-s − 1.14·6-s − 4.61·7-s − 3.07·8-s + 9-s + 0.988·10-s − 2.50·11-s + 0.697·12-s − 0.0237·13-s − 5.27·14-s − 0.866·15-s − 2.11·16-s + 2.24·17-s + 1.14·18-s − 6.29·19-s − 0.604·20-s + 4.61·21-s − 2.85·22-s + 0.404·23-s + 3.07·24-s − 4.24·25-s − 0.0270·26-s − 27-s + 3.22·28-s + ⋯
L(s)  = 1  + 0.806·2-s − 0.577·3-s − 0.348·4-s + 0.387·5-s − 0.465·6-s − 1.74·7-s − 1.08·8-s + 0.333·9-s + 0.312·10-s − 0.755·11-s + 0.201·12-s − 0.00658·13-s − 1.40·14-s − 0.223·15-s − 0.529·16-s + 0.544·17-s + 0.268·18-s − 1.44·19-s − 0.135·20-s + 1.00·21-s − 0.609·22-s + 0.0843·23-s + 0.628·24-s − 0.849·25-s − 0.00531·26-s − 0.192·27-s + 0.609·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 381 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 381 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(381\)    =    \(3 \cdot 127\)
Sign: $-1$
Analytic conductor: \(3.04230\)
Root analytic conductor: \(1.74421\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 381,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + T \)
127 \( 1 + T \)
good2 \( 1 - 1.14T + 2T^{2} \)
5 \( 1 - 0.866T + 5T^{2} \)
7 \( 1 + 4.61T + 7T^{2} \)
11 \( 1 + 2.50T + 11T^{2} \)
13 \( 1 + 0.0237T + 13T^{2} \)
17 \( 1 - 2.24T + 17T^{2} \)
19 \( 1 + 6.29T + 19T^{2} \)
23 \( 1 - 0.404T + 23T^{2} \)
29 \( 1 - 2.03T + 29T^{2} \)
31 \( 1 - 2.82T + 31T^{2} \)
37 \( 1 - 4.22T + 37T^{2} \)
41 \( 1 + 1.78T + 41T^{2} \)
43 \( 1 - 3.67T + 43T^{2} \)
47 \( 1 + 7.27T + 47T^{2} \)
53 \( 1 + 11.9T + 53T^{2} \)
59 \( 1 + 11.5T + 59T^{2} \)
61 \( 1 + 5.99T + 61T^{2} \)
67 \( 1 - 9.33T + 67T^{2} \)
71 \( 1 - 7.22T + 71T^{2} \)
73 \( 1 - 17.0T + 73T^{2} \)
79 \( 1 + 9.72T + 79T^{2} \)
83 \( 1 - 14.6T + 83T^{2} \)
89 \( 1 + 14.3T + 89T^{2} \)
97 \( 1 + 7.63T + 97T^{2} \)
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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

−10.89174375934908685016530689891, −9.902673452829412381824643643161, −9.399155926713699149530353626016, −8.070361571606850277042981625536, −6.49327716353203182203794074343, −6.10225582149541121995427059033, −5.03358651955702708694604375480, −3.86922863066290409006924865744, −2.75985771699596474722601184236, 0, 2.75985771699596474722601184236, 3.86922863066290409006924865744, 5.03358651955702708694604375480, 6.10225582149541121995427059033, 6.49327716353203182203794074343, 8.070361571606850277042981625536, 9.399155926713699149530353626016, 9.902673452829412381824643643161, 10.89174375934908685016530689891

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