Properties

Label 2-7920-1.1-c1-0-5
Degree $2$
Conductor $7920$
Sign $1$
Analytic cond. $63.2415$
Root an. cond. $7.95245$
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  − 5-s − 3·7-s + 11-s − 6·13-s + 7·17-s − 5·19-s − 6·23-s + 25-s − 5·29-s + 3·31-s + 3·35-s + 3·37-s − 2·41-s − 4·43-s − 2·47-s + 2·49-s + 53-s − 55-s − 10·59-s + 7·61-s + 6·65-s − 8·67-s + 7·71-s + 14·73-s − 3·77-s − 10·79-s − 6·83-s + ⋯
L(s)  = 1  − 0.447·5-s − 1.13·7-s + 0.301·11-s − 1.66·13-s + 1.69·17-s − 1.14·19-s − 1.25·23-s + 1/5·25-s − 0.928·29-s + 0.538·31-s + 0.507·35-s + 0.493·37-s − 0.312·41-s − 0.609·43-s − 0.291·47-s + 2/7·49-s + 0.137·53-s − 0.134·55-s − 1.30·59-s + 0.896·61-s + 0.744·65-s − 0.977·67-s + 0.830·71-s + 1.63·73-s − 0.341·77-s − 1.12·79-s − 0.658·83-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 7920 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 7920 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(7920\)    =    \(2^{4} \cdot 3^{2} \cdot 5 \cdot 11\)
Sign: $1$
Analytic conductor: \(63.2415\)
Root analytic conductor: \(7.95245\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 7920,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.7849318326\)
\(L(\frac12)\) \(\approx\) \(0.7849318326\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 \)
5 \( 1 + T \)
11 \( 1 - T \)
good7 \( 1 + 3 T + p T^{2} \)
13 \( 1 + 6 T + p T^{2} \)
17 \( 1 - 7 T + p T^{2} \)
19 \( 1 + 5 T + p T^{2} \)
23 \( 1 + 6 T + p T^{2} \)
29 \( 1 + 5 T + p T^{2} \)
31 \( 1 - 3 T + p T^{2} \)
37 \( 1 - 3 T + p T^{2} \)
41 \( 1 + 2 T + p T^{2} \)
43 \( 1 + 4 T + p T^{2} \)
47 \( 1 + 2 T + p T^{2} \)
53 \( 1 - T + p T^{2} \)
59 \( 1 + 10 T + p T^{2} \)
61 \( 1 - 7 T + p T^{2} \)
67 \( 1 + 8 T + p T^{2} \)
71 \( 1 - 7 T + p T^{2} \)
73 \( 1 - 14 T + p T^{2} \)
79 \( 1 + 10 T + p T^{2} \)
83 \( 1 + 6 T + p T^{2} \)
89 \( 1 - 15 T + p T^{2} \)
97 \( 1 + 12 T + p T^{2} \)
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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

−7.79659054358632403515059479268, −7.19471666240095455020214063084, −6.47362116792275956785814758191, −5.85271771545149072102025958727, −5.03217389431509932422361042566, −4.20268577460922729542844409595, −3.50138957579541417896803920029, −2.79065042318290533890986120472, −1.85337295167665800978053385324, −0.41882948018125157200334206531, 0.41882948018125157200334206531, 1.85337295167665800978053385324, 2.79065042318290533890986120472, 3.50138957579541417896803920029, 4.20268577460922729542844409595, 5.03217389431509932422361042566, 5.85271771545149072102025958727, 6.47362116792275956785814758191, 7.19471666240095455020214063084, 7.79659054358632403515059479268

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