Properties

Label 2-7920-1.1-c1-0-18
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 + 4·7-s − 11-s − 4·13-s − 6·17-s − 2·19-s + 6·23-s + 25-s − 6·29-s − 8·31-s − 4·35-s + 2·37-s − 6·41-s + 10·43-s + 6·47-s + 9·49-s + 6·53-s + 55-s + 8·61-s + 4·65-s + 4·67-s + 6·71-s + 14·73-s − 4·77-s + 16·79-s − 12·83-s + 6·85-s + ⋯
L(s)  = 1  − 0.447·5-s + 1.51·7-s − 0.301·11-s − 1.10·13-s − 1.45·17-s − 0.458·19-s + 1.25·23-s + 1/5·25-s − 1.11·29-s − 1.43·31-s − 0.676·35-s + 0.328·37-s − 0.937·41-s + 1.52·43-s + 0.875·47-s + 9/7·49-s + 0.824·53-s + 0.134·55-s + 1.02·61-s + 0.496·65-s + 0.488·67-s + 0.712·71-s + 1.63·73-s − 0.455·77-s + 1.80·79-s − 1.31·83-s + 0.650·85-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

\(L(1)\) \(\approx\) \(1.719469832\)
\(L(\frac12)\) \(\approx\) \(1.719469832\)
\(L(\frac{3}{2})\) 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 \( 1 - 4 T + p T^{2} \)
13 \( 1 + 4 T + p T^{2} \)
17 \( 1 + 6 T + p T^{2} \)
19 \( 1 + 2 T + p T^{2} \)
23 \( 1 - 6 T + p T^{2} \)
29 \( 1 + 6 T + p T^{2} \)
31 \( 1 + 8 T + p T^{2} \)
37 \( 1 - 2 T + p T^{2} \)
41 \( 1 + 6 T + p T^{2} \)
43 \( 1 - 10 T + p T^{2} \)
47 \( 1 - 6 T + p T^{2} \)
53 \( 1 - 6 T + p T^{2} \)
59 \( 1 + p T^{2} \)
61 \( 1 - 8 T + p T^{2} \)
67 \( 1 - 4 T + p T^{2} \)
71 \( 1 - 6 T + p T^{2} \)
73 \( 1 - 14 T + p T^{2} \)
79 \( 1 - 16 T + p T^{2} \)
83 \( 1 + 12 T + p T^{2} \)
89 \( 1 + p T^{2} \)
97 \( 1 - 14 T + p T^{2} \)
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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

−7.64660009710299009584810308406, −7.37612371668070296964428912486, −6.64695441606065432452058471385, −5.49051200165531479837845000975, −5.02082294699543692595969424569, −4.40303777431817227556451692945, −3.67343424115108039790918121834, −2.39080333141427293328000383818, −1.98931130384689405849263868827, −0.63449038522764186602031158199, 0.63449038522764186602031158199, 1.98931130384689405849263868827, 2.39080333141427293328000383818, 3.67343424115108039790918121834, 4.40303777431817227556451692945, 5.02082294699543692595969424569, 5.49051200165531479837845000975, 6.64695441606065432452058471385, 7.37612371668070296964428912486, 7.64660009710299009584810308406

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