Properties

Label 2-30400-1.1-c1-0-20
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 − 2·7-s + 9-s + 6·13-s − 2·17-s + 19-s − 4·21-s + 2·23-s − 4·27-s + 2·29-s + 4·31-s − 10·37-s + 12·39-s − 10·41-s + 6·43-s + 6·47-s − 3·49-s − 4·51-s + 6·53-s + 2·57-s + 4·59-s − 2·61-s − 2·63-s − 2·67-s + 4·69-s + 12·71-s + 6·73-s + ⋯
L(s)  = 1  + 1.15·3-s − 0.755·7-s + 1/3·9-s + 1.66·13-s − 0.485·17-s + 0.229·19-s − 0.872·21-s + 0.417·23-s − 0.769·27-s + 0.371·29-s + 0.718·31-s − 1.64·37-s + 1.92·39-s − 1.56·41-s + 0.914·43-s + 0.875·47-s − 3/7·49-s − 0.560·51-s + 0.824·53-s + 0.264·57-s + 0.520·59-s − 0.256·61-s − 0.251·63-s − 0.244·67-s + 0.481·69-s + 1.42·71-s + 0.702·73-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

\(L(1)\) \(\approx\) \(3.307442504\)
\(L(\frac12)\) \(\approx\) \(3.307442504\)
\(L(\frac{3}{2})\) 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 \( 1 + 2 T + p T^{2} \)
11 \( 1 + p T^{2} \)
13 \( 1 - 6 T + p T^{2} \)
17 \( 1 + 2 T + p T^{2} \)
23 \( 1 - 2 T + p T^{2} \)
29 \( 1 - 2 T + p T^{2} \)
31 \( 1 - 4 T + p T^{2} \)
37 \( 1 + 10 T + p T^{2} \)
41 \( 1 + 10 T + p T^{2} \)
43 \( 1 - 6 T + p T^{2} \)
47 \( 1 - 6 T + p T^{2} \)
53 \( 1 - 6 T + p T^{2} \)
59 \( 1 - 4 T + p T^{2} \)
61 \( 1 + 2 T + p T^{2} \)
67 \( 1 + 2 T + p T^{2} \)
71 \( 1 - 12 T + p T^{2} \)
73 \( 1 - 6 T + p T^{2} \)
79 \( 1 - 8 T + p T^{2} \)
83 \( 1 + 2 T + p T^{2} \)
89 \( 1 - 2 T + p T^{2} \)
97 \( 1 - 18 T + p T^{2} \)
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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

−15.26155296621452, −14.49676982801350, −13.87916674319408, −13.67469673816050, −13.19053498981688, −12.66473380740385, −11.91900922423424, −11.43878112254676, −10.65589045165270, −10.32857515805332, −9.561878064525072, −8.978879317945571, −8.711287852217446, −8.180157054649064, −7.561543967362203, −6.702874236154869, −6.473891894756072, −5.646133671742980, −4.998063920619046, −3.996601411099294, −3.593295049014317, −3.090111836267845, −2.372838568660938, −1.602459643126462, −0.6511916577562402, 0.6511916577562402, 1.602459643126462, 2.372838568660938, 3.090111836267845, 3.593295049014317, 3.996601411099294, 4.998063920619046, 5.646133671742980, 6.473891894756072, 6.702874236154869, 7.561543967362203, 8.180157054649064, 8.711287852217446, 8.978879317945571, 9.561878064525072, 10.32857515805332, 10.65589045165270, 11.43878112254676, 11.91900922423424, 12.66473380740385, 13.19053498981688, 13.67469673816050, 13.87916674319408, 14.49676982801350, 15.26155296621452

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