Properties

Label 2-7920-1.1-c1-0-25
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 + 2·13-s − 6·17-s − 4·19-s − 8·23-s + 25-s + 10·29-s − 4·35-s − 10·37-s + 6·41-s + 8·43-s + 9·49-s + 2·53-s + 55-s + 12·59-s − 2·61-s − 2·65-s + 12·67-s + 8·71-s − 2·73-s − 4·77-s + 8·79-s − 8·83-s + 6·85-s + 6·89-s + ⋯
L(s)  = 1  − 0.447·5-s + 1.51·7-s − 0.301·11-s + 0.554·13-s − 1.45·17-s − 0.917·19-s − 1.66·23-s + 1/5·25-s + 1.85·29-s − 0.676·35-s − 1.64·37-s + 0.937·41-s + 1.21·43-s + 9/7·49-s + 0.274·53-s + 0.134·55-s + 1.56·59-s − 0.256·61-s − 0.248·65-s + 1.46·67-s + 0.949·71-s − 0.234·73-s − 0.455·77-s + 0.900·79-s − 0.878·83-s + 0.650·85-s + 0.635·89-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

\(L(1)\) \(\approx\) \(1.961201214\)
\(L(\frac12)\) \(\approx\) \(1.961201214\)
\(L(\frac{3}{2})\) 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 \( 1 - 2 T + p T^{2} \)
17 \( 1 + 6 T + p T^{2} \)
19 \( 1 + 4 T + p T^{2} \)
23 \( 1 + 8 T + p T^{2} \)
29 \( 1 - 10 T + p T^{2} \)
31 \( 1 + p T^{2} \)
37 \( 1 + 10 T + p T^{2} \)
41 \( 1 - 6 T + p T^{2} \)
43 \( 1 - 8 T + p T^{2} \)
47 \( 1 + p T^{2} \)
53 \( 1 - 2 T + p T^{2} \)
59 \( 1 - 12 T + p T^{2} \)
61 \( 1 + 2 T + p T^{2} \)
67 \( 1 - 12 T + p T^{2} \)
71 \( 1 - 8 T + p T^{2} \)
73 \( 1 + 2 T + p T^{2} \)
79 \( 1 - 8 T + p T^{2} \)
83 \( 1 + 8 T + p T^{2} \)
89 \( 1 - 6 T + p T^{2} \)
97 \( 1 + 6 T + p T^{2} \)
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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

−8.054470850673010220392765116729, −7.19473582723212329443299053031, −6.50249462656148603863329585364, −5.75430404210632195045390813428, −4.85092156831089606999094490025, −4.36334471271386614949825309738, −3.75144377870165057222742075279, −2.41607692132932969511501665388, −1.91933874623480413716766008018, −0.69102017863468173994172909292, 0.69102017863468173994172909292, 1.91933874623480413716766008018, 2.41607692132932969511501665388, 3.75144377870165057222742075279, 4.36334471271386614949825309738, 4.85092156831089606999094490025, 5.75430404210632195045390813428, 6.50249462656148603863329585364, 7.19473582723212329443299053031, 8.054470850673010220392765116729

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