Properties

Label 2-395-1.1-c1-0-5
Degree $2$
Conductor $395$
Sign $1$
Analytic cond. $3.15409$
Root an. cond. $1.77597$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2·2-s − 3-s + 2·4-s + 5-s + 2·6-s + 3·7-s − 2·9-s − 2·10-s − 3·11-s − 2·12-s + 4·13-s − 6·14-s − 15-s − 4·16-s − 2·17-s + 4·18-s + 2·20-s − 3·21-s + 6·22-s + 4·23-s + 25-s − 8·26-s + 5·27-s + 6·28-s + 2·30-s + 7·31-s + 8·32-s + ⋯
L(s)  = 1  − 1.41·2-s − 0.577·3-s + 4-s + 0.447·5-s + 0.816·6-s + 1.13·7-s − 2/3·9-s − 0.632·10-s − 0.904·11-s − 0.577·12-s + 1.10·13-s − 1.60·14-s − 0.258·15-s − 16-s − 0.485·17-s + 0.942·18-s + 0.447·20-s − 0.654·21-s + 1.27·22-s + 0.834·23-s + 1/5·25-s − 1.56·26-s + 0.962·27-s + 1.13·28-s + 0.365·30-s + 1.25·31-s + 1.41·32-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 395 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 395 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(395\)    =    \(5 \cdot 79\)
Sign: $1$
Analytic conductor: \(3.15409\)
Root analytic conductor: \(1.77597\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 395,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.6249954625\)
\(L(\frac12)\) \(\approx\) \(0.6249954625\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad5 \( 1 - T \)
79 \( 1 + T \)
good2 \( 1 + p T + p T^{2} \)
3 \( 1 + T + p T^{2} \)
7 \( 1 - 3 T + p T^{2} \)
11 \( 1 + 3 T + p T^{2} \)
13 \( 1 - 4 T + p T^{2} \)
17 \( 1 + 2 T + p T^{2} \)
19 \( 1 + p T^{2} \)
23 \( 1 - 4 T + p T^{2} \)
29 \( 1 + p T^{2} \)
31 \( 1 - 7 T + p T^{2} \)
37 \( 1 - 3 T + p T^{2} \)
41 \( 1 - 12 T + p T^{2} \)
43 \( 1 - 4 T + p T^{2} \)
47 \( 1 + 12 T + p T^{2} \)
53 \( 1 - 9 T + p T^{2} \)
59 \( 1 + p T^{2} \)
61 \( 1 - 12 T + p T^{2} \)
67 \( 1 + 2 T + p T^{2} \)
71 \( 1 + 8 T + p T^{2} \)
73 \( 1 - 14 T + p T^{2} \)
83 \( 1 - 4 T + p T^{2} \)
89 \( 1 + 10 T + p T^{2} \)
97 \( 1 - 8 T + p T^{2} \)
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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

−11.03584593329883704099928821271, −10.52616204381071415319152482689, −9.392092997878299416453084703285, −8.455377116229754512883998757977, −8.001604417681190038866635973448, −6.73539441646475021862154518181, −5.64384609470310284471770398546, −4.62450127466833198633428372182, −2.48321106254252969564317387787, −1.01023555705729953744464184528, 1.01023555705729953744464184528, 2.48321106254252969564317387787, 4.62450127466833198633428372182, 5.64384609470310284471770398546, 6.73539441646475021862154518181, 8.001604417681190038866635973448, 8.455377116229754512883998757977, 9.392092997878299416453084703285, 10.52616204381071415319152482689, 11.03584593329883704099928821271

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