Properties

Label 2-381-1.1-c1-0-4
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 $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 0.0532·2-s + 3-s − 1.99·4-s − 3.85·5-s − 0.0532·6-s + 4.59·7-s + 0.212·8-s + 9-s + 0.205·10-s + 2.84·11-s − 1.99·12-s + 5.18·13-s − 0.244·14-s − 3.85·15-s + 3.98·16-s − 3.00·17-s − 0.0532·18-s − 1.00·19-s + 7.69·20-s + 4.59·21-s − 0.151·22-s + 6.96·23-s + 0.212·24-s + 9.86·25-s − 0.276·26-s + 27-s − 9.16·28-s + ⋯
L(s)  = 1  − 0.0376·2-s + 0.577·3-s − 0.998·4-s − 1.72·5-s − 0.0217·6-s + 1.73·7-s + 0.0753·8-s + 0.333·9-s + 0.0649·10-s + 0.857·11-s − 0.576·12-s + 1.43·13-s − 0.0653·14-s − 0.995·15-s + 0.995·16-s − 0.729·17-s − 0.0125·18-s − 0.231·19-s + 1.72·20-s + 1.00·21-s − 0.0323·22-s + 1.45·23-s + 0.0434·24-s + 1.97·25-s − 0.0542·26-s + 0.192·27-s − 1.73·28-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: \(0\)
Selberg data: \((2,\ 381,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.263657067\)
\(L(\frac12)\) \(\approx\) \(1.263657067\)
\(L(\frac{3}{2})\) 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 \( 1 + 0.0532T + 2T^{2} \)
5 \( 1 + 3.85T + 5T^{2} \)
7 \( 1 - 4.59T + 7T^{2} \)
11 \( 1 - 2.84T + 11T^{2} \)
13 \( 1 - 5.18T + 13T^{2} \)
17 \( 1 + 3.00T + 17T^{2} \)
19 \( 1 + 1.00T + 19T^{2} \)
23 \( 1 - 6.96T + 23T^{2} \)
29 \( 1 - 5.04T + 29T^{2} \)
31 \( 1 + 8.71T + 31T^{2} \)
37 \( 1 + 0.247T + 37T^{2} \)
41 \( 1 + 9.02T + 41T^{2} \)
43 \( 1 - 2.73T + 43T^{2} \)
47 \( 1 + 6.45T + 47T^{2} \)
53 \( 1 - 12.0T + 53T^{2} \)
59 \( 1 - 0.912T + 59T^{2} \)
61 \( 1 + 4.46T + 61T^{2} \)
67 \( 1 - 0.554T + 67T^{2} \)
71 \( 1 + 4.61T + 71T^{2} \)
73 \( 1 - 14.0T + 73T^{2} \)
79 \( 1 + 4.03T + 79T^{2} \)
83 \( 1 - 4.63T + 83T^{2} \)
89 \( 1 + 4.31T + 89T^{2} \)
97 \( 1 - 7.07T + 97T^{2} \)
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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

−11.28077946690711357136009222119, −10.75231253696416012507490884172, −8.939859643084744026016181677193, −8.605799534098969891307087955041, −7.968388493951098915900269405606, −6.95088285854969722662398419613, −5.05917824729528854788224209293, −4.23050702813923280241919522805, −3.57381013585231205127714191766, −1.23071526684347095666156959402, 1.23071526684347095666156959402, 3.57381013585231205127714191766, 4.23050702813923280241919522805, 5.05917824729528854788224209293, 6.95088285854969722662398419613, 7.968388493951098915900269405606, 8.605799534098969891307087955041, 8.939859643084744026016181677193, 10.75231253696416012507490884172, 11.28077946690711357136009222119

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