Properties

Label 2-2160-1.1-c1-0-15
Degree $2$
Conductor $2160$
Sign $1$
Analytic cond. $17.2476$
Root an. cond. $4.15303$
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 + 6·11-s − 4·13-s + 3·17-s + 7·19-s − 9·23-s + 25-s + 7·31-s + 4·35-s + 2·37-s − 6·41-s − 2·43-s + 9·49-s − 9·53-s + 6·55-s − 12·59-s − 7·61-s − 4·65-s − 2·67-s + 6·71-s + 2·73-s + 24·77-s + 79-s + 9·83-s + 3·85-s + 6·89-s + ⋯
L(s)  = 1  + 0.447·5-s + 1.51·7-s + 1.80·11-s − 1.10·13-s + 0.727·17-s + 1.60·19-s − 1.87·23-s + 1/5·25-s + 1.25·31-s + 0.676·35-s + 0.328·37-s − 0.937·41-s − 0.304·43-s + 9/7·49-s − 1.23·53-s + 0.809·55-s − 1.56·59-s − 0.896·61-s − 0.496·65-s − 0.244·67-s + 0.712·71-s + 0.234·73-s + 2.73·77-s + 0.112·79-s + 0.987·83-s + 0.325·85-s + 0.635·89-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2160 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2160 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2160\)    =    \(2^{4} \cdot 3^{3} \cdot 5\)
Sign: $1$
Analytic conductor: \(17.2476\)
Root analytic conductor: \(4.15303\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 2160,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.602632500\)
\(L(\frac12)\) \(\approx\) \(2.602632500\)
\(L(\frac{3}{2})\) 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 \( 1 - T \)
good7 \( 1 - 4 T + p T^{2} \)
11 \( 1 - 6 T + p T^{2} \)
13 \( 1 + 4 T + p T^{2} \)
17 \( 1 - 3 T + p T^{2} \)
19 \( 1 - 7 T + p T^{2} \)
23 \( 1 + 9 T + p T^{2} \)
29 \( 1 + p T^{2} \)
31 \( 1 - 7 T + p T^{2} \)
37 \( 1 - 2 T + p T^{2} \)
41 \( 1 + 6 T + p T^{2} \)
43 \( 1 + 2 T + p T^{2} \)
47 \( 1 + p T^{2} \)
53 \( 1 + 9 T + p T^{2} \)
59 \( 1 + 12 T + p T^{2} \)
61 \( 1 + 7 T + p T^{2} \)
67 \( 1 + 2 T + p T^{2} \)
71 \( 1 - 6 T + p T^{2} \)
73 \( 1 - 2 T + p T^{2} \)
79 \( 1 - T + p T^{2} \)
83 \( 1 - 9 T + p T^{2} \)
89 \( 1 - 6 T + p T^{2} \)
97 \( 1 - 8 T + p T^{2} \)
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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

−9.258800425324802754863509016129, −8.092167622332816991340248763807, −7.74019567158184250231213816224, −6.71899526548996053710103103705, −5.89394292664879166824137012839, −4.99976597498701492766603898596, −4.36525567642916231248237875179, −3.26781961523861610322938673492, −1.93615831004412516494141020149, −1.21444767823394362882446466641, 1.21444767823394362882446466641, 1.93615831004412516494141020149, 3.26781961523861610322938673492, 4.36525567642916231248237875179, 4.99976597498701492766603898596, 5.89394292664879166824137012839, 6.71899526548996053710103103705, 7.74019567158184250231213816224, 8.092167622332816991340248763807, 9.258800425324802754863509016129

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