Properties

Label 2-381-1.1-c1-0-7
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  − 0.682·2-s + 3-s − 1.53·4-s + 3.92·5-s − 0.682·6-s + 1.75·7-s + 2.41·8-s + 9-s − 2.68·10-s − 1.87·11-s − 1.53·12-s − 2.72·13-s − 1.19·14-s + 3.92·15-s + 1.42·16-s − 1.56·17-s − 0.682·18-s + 0.433·19-s − 6.02·20-s + 1.75·21-s + 1.28·22-s + 3.96·23-s + 2.41·24-s + 10.4·25-s + 1.86·26-s + 27-s − 2.68·28-s + ⋯
L(s)  = 1  − 0.482·2-s + 0.577·3-s − 0.766·4-s + 1.75·5-s − 0.278·6-s + 0.662·7-s + 0.853·8-s + 0.333·9-s − 0.847·10-s − 0.565·11-s − 0.442·12-s − 0.756·13-s − 0.319·14-s + 1.01·15-s + 0.355·16-s − 0.379·17-s − 0.160·18-s + 0.0994·19-s − 1.34·20-s + 0.382·21-s + 0.273·22-s + 0.826·23-s + 0.492·24-s + 2.08·25-s + 0.365·26-s + 0.192·27-s − 0.507·28-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

\(L(1)\) \(\approx\) \(1.484215610\)
\(L(\frac12)\) \(\approx\) \(1.484215610\)
\(L(\frac{3}{2})\) 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 \( 1 + 0.682T + 2T^{2} \)
5 \( 1 - 3.92T + 5T^{2} \)
7 \( 1 - 1.75T + 7T^{2} \)
11 \( 1 + 1.87T + 11T^{2} \)
13 \( 1 + 2.72T + 13T^{2} \)
17 \( 1 + 1.56T + 17T^{2} \)
19 \( 1 - 0.433T + 19T^{2} \)
23 \( 1 - 3.96T + 23T^{2} \)
29 \( 1 + 0.326T + 29T^{2} \)
31 \( 1 - 8.28T + 31T^{2} \)
37 \( 1 - 2.00T + 37T^{2} \)
41 \( 1 + 10.2T + 41T^{2} \)
43 \( 1 - 5.51T + 43T^{2} \)
47 \( 1 + 8.54T + 47T^{2} \)
53 \( 1 - 3.63T + 53T^{2} \)
59 \( 1 + 8.32T + 59T^{2} \)
61 \( 1 + 12.1T + 61T^{2} \)
67 \( 1 - 14.1T + 67T^{2} \)
71 \( 1 - 6.95T + 71T^{2} \)
73 \( 1 - 1.27T + 73T^{2} \)
79 \( 1 + 0.149T + 79T^{2} \)
83 \( 1 + 10.1T + 83T^{2} \)
89 \( 1 + 14.2T + 89T^{2} \)
97 \( 1 + 15.4T + 97T^{2} \)
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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

−10.96979503052327292974631701168, −10.03832539591879613139536268640, −9.604802248774864943551838566290, −8.720646110308790552754341382614, −7.923550989486899289706019062258, −6.69145475018771112689878658956, −5.31872514558868582187557222151, −4.66938738103219722583571742864, −2.74237083628565218040139483912, −1.53327127188656880473129042260, 1.53327127188656880473129042260, 2.74237083628565218040139483912, 4.66938738103219722583571742864, 5.31872514558868582187557222151, 6.69145475018771112689878658956, 7.923550989486899289706019062258, 8.720646110308790552754341382614, 9.604802248774864943551838566290, 10.03832539591879613139536268640, 10.96979503052327292974631701168

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