Properties

Label 2-381-1.1-c1-0-0
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  − 0.779·2-s − 3-s − 1.39·4-s − 2.98·5-s + 0.779·6-s − 2.49·7-s + 2.64·8-s + 9-s + 2.32·10-s + 1.94·11-s + 1.39·12-s − 3.49·13-s + 1.94·14-s + 2.98·15-s + 0.720·16-s + 4.53·17-s − 0.779·18-s + 2.24·19-s + 4.14·20-s + 2.49·21-s − 1.51·22-s + 1.85·23-s − 2.64·24-s + 3.88·25-s + 2.72·26-s − 27-s + 3.46·28-s + ⋯
L(s)  = 1  − 0.551·2-s − 0.577·3-s − 0.695·4-s − 1.33·5-s + 0.318·6-s − 0.942·7-s + 0.935·8-s + 0.333·9-s + 0.735·10-s + 0.586·11-s + 0.401·12-s − 0.968·13-s + 0.519·14-s + 0.769·15-s + 0.180·16-s + 1.10·17-s − 0.183·18-s + 0.515·19-s + 0.927·20-s + 0.543·21-s − 0.323·22-s + 0.386·23-s − 0.539·24-s + 0.776·25-s + 0.534·26-s − 0.192·27-s + 0.655·28-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

\(L(1)\) \(\approx\) \(0.4168929552\)
\(L(\frac12)\) \(\approx\) \(0.4168929552\)
\(L(\frac{3}{2})\) 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 \( 1 + 0.779T + 2T^{2} \)
5 \( 1 + 2.98T + 5T^{2} \)
7 \( 1 + 2.49T + 7T^{2} \)
11 \( 1 - 1.94T + 11T^{2} \)
13 \( 1 + 3.49T + 13T^{2} \)
17 \( 1 - 4.53T + 17T^{2} \)
19 \( 1 - 2.24T + 19T^{2} \)
23 \( 1 - 1.85T + 23T^{2} \)
29 \( 1 - 7.87T + 29T^{2} \)
31 \( 1 + 3.36T + 31T^{2} \)
37 \( 1 + 6.58T + 37T^{2} \)
41 \( 1 - 1.44T + 41T^{2} \)
43 \( 1 - 11.7T + 43T^{2} \)
47 \( 1 + 5.12T + 47T^{2} \)
53 \( 1 - 3.51T + 53T^{2} \)
59 \( 1 - 10.9T + 59T^{2} \)
61 \( 1 - 7.59T + 61T^{2} \)
67 \( 1 - 0.605T + 67T^{2} \)
71 \( 1 - 1.80T + 71T^{2} \)
73 \( 1 + 4.42T + 73T^{2} \)
79 \( 1 + 0.536T + 79T^{2} \)
83 \( 1 - 2.30T + 83T^{2} \)
89 \( 1 + 8.38T + 89T^{2} \)
97 \( 1 + 13.1T + 97T^{2} \)
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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

−11.38464565998328628730492291390, −10.23570038055521053666990590829, −9.633775402626684578451249751331, −8.607457758189786414749817981428, −7.59875763136335637351177269531, −6.91534129289711927738717434324, −5.42426411114909420688219141878, −4.33908683931741630421550683143, −3.36519238243805848197391976289, −0.69802288257484510620986445215, 0.69802288257484510620986445215, 3.36519238243805848197391976289, 4.33908683931741630421550683143, 5.42426411114909420688219141878, 6.91534129289711927738717434324, 7.59875763136335637351177269531, 8.607457758189786414749817981428, 9.633775402626684578451249751331, 10.23570038055521053666990590829, 11.38464565998328628730492291390

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