Properties

Label 2-30400-1.1-c1-0-1
Degree $2$
Conductor $30400$
Sign $1$
Analytic cond. $242.745$
Root an. cond. $15.5802$
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  + 2·3-s − 3·7-s + 9-s − 3·11-s − 4·13-s − 5·17-s − 19-s − 6·21-s − 4·27-s − 2·29-s − 8·31-s − 6·33-s − 10·37-s − 8·39-s + 6·41-s + 7·43-s − 9·47-s + 2·49-s − 10·51-s − 8·53-s − 2·57-s + 14·59-s + 5·61-s − 3·63-s + 6·71-s + 15·73-s + 9·77-s + ⋯
L(s)  = 1  + 1.15·3-s − 1.13·7-s + 1/3·9-s − 0.904·11-s − 1.10·13-s − 1.21·17-s − 0.229·19-s − 1.30·21-s − 0.769·27-s − 0.371·29-s − 1.43·31-s − 1.04·33-s − 1.64·37-s − 1.28·39-s + 0.937·41-s + 1.06·43-s − 1.31·47-s + 2/7·49-s − 1.40·51-s − 1.09·53-s − 0.264·57-s + 1.82·59-s + 0.640·61-s − 0.377·63-s + 0.712·71-s + 1.75·73-s + 1.02·77-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 30400 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 30400 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(30400\)    =    \(2^{6} \cdot 5^{2} \cdot 19\)
Sign: $1$
Analytic conductor: \(242.745\)
Root analytic conductor: \(15.5802\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 30400,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.5893582529\)
\(L(\frac12)\) \(\approx\) \(0.5893582529\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 \)
19 \( 1 + T \)
good3 \( 1 - 2 T + p T^{2} \)
7 \( 1 + 3 T + p T^{2} \)
11 \( 1 + 3 T + p T^{2} \)
13 \( 1 + 4 T + p T^{2} \)
17 \( 1 + 5 T + p T^{2} \)
23 \( 1 + p T^{2} \)
29 \( 1 + 2 T + p T^{2} \)
31 \( 1 + 8 T + p T^{2} \)
37 \( 1 + 10 T + p T^{2} \)
41 \( 1 - 6 T + p T^{2} \)
43 \( 1 - 7 T + p T^{2} \)
47 \( 1 + 9 T + p T^{2} \)
53 \( 1 + 8 T + p T^{2} \)
59 \( 1 - 14 T + p T^{2} \)
61 \( 1 - 5 T + p T^{2} \)
67 \( 1 + p T^{2} \)
71 \( 1 - 6 T + p T^{2} \)
73 \( 1 - 15 T + p T^{2} \)
79 \( 1 - 4 T + p T^{2} \)
83 \( 1 + 4 T + p T^{2} \)
89 \( 1 + p T^{2} \)
97 \( 1 + 16 T + p T^{2} \)
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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

−15.12274246905928, −14.51221934573505, −14.17833818197792, −13.46088314486243, −13.02400516447950, −12.70956429992933, −12.17620334429637, −11.15796662382408, −10.92127842875013, −10.01781429607442, −9.690167694286782, −9.124161490376206, −8.735302288216374, −7.967622905473733, −7.573631590992258, −6.844525703944068, −6.485995783074756, −5.433309582053149, −5.125700531712136, −4.056598737184853, −3.643737269620714, −2.837382743260119, −2.433100506353659, −1.841436972036655, −0.2469902049931420, 0.2469902049931420, 1.841436972036655, 2.433100506353659, 2.837382743260119, 3.643737269620714, 4.056598737184853, 5.125700531712136, 5.433309582053149, 6.485995783074756, 6.844525703944068, 7.573631590992258, 7.967622905473733, 8.735302288216374, 9.124161490376206, 9.690167694286782, 10.01781429607442, 10.92127842875013, 11.15796662382408, 12.17620334429637, 12.70956429992933, 13.02400516447950, 13.46088314486243, 14.17833818197792, 14.51221934573505, 15.12274246905928

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