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Properties

Label 2-1620-180.139-c0-0-6
Degree $2$
Conductor $1620$
Sign $0.173 + 0.984i$
Analytic cond. $0.808485$
Root an. cond. $0.899158$
Motivic weight $0$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−0.866 + 0.5i)2-s + (0.499 − 0.866i)4-s + (−0.866 + 0.5i)5-s + 0.999i·8-s + (0.499 − 0.866i)10-s + (−1.5 − 0.866i)13-s + (−0.5 − 0.866i)16-s − i·17-s + 0.999i·20-s + (0.499 − 0.866i)25-s + 1.73·26-s + (−0.866 − 1.5i)29-s + (0.866 + 0.499i)32-s + (0.5 + 0.866i)34-s + 1.73i·37-s + ⋯
L(s)  = 1  + (−0.866 + 0.5i)2-s + (0.499 − 0.866i)4-s + (−0.866 + 0.5i)5-s + 0.999i·8-s + (0.499 − 0.866i)10-s + (−1.5 − 0.866i)13-s + (−0.5 − 0.866i)16-s − i·17-s + 0.999i·20-s + (0.499 − 0.866i)25-s + 1.73·26-s + (−0.866 − 1.5i)29-s + (0.866 + 0.499i)32-s + (0.5 + 0.866i)34-s + 1.73i·37-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1620 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.173 + 0.984i)\, \overline{\Lambda}(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1620 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.173 + 0.984i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1620\)    =    \(2^{2} \cdot 3^{4} \cdot 5\)
Sign: $0.173 + 0.984i$
Analytic conductor: \(0.808485\)
Root analytic conductor: \(0.899158\)
Motivic weight: \(0\)
Rational: no
Arithmetic: yes
Character: $\chi_{1620} (919, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1620,\ (\ :0),\ 0.173 + 0.984i)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(0.3358156328\)
\(L(\frac12)\) \(\approx\) \(0.3358156328\)
\(L(1)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (0.866 - 0.5i)T \)
3 \( 1 \)
5 \( 1 + (0.866 - 0.5i)T \)
good7 \( 1 + (-0.5 + 0.866i)T^{2} \)
11 \( 1 + (0.5 - 0.866i)T^{2} \)
13 \( 1 + (1.5 + 0.866i)T + (0.5 + 0.866i)T^{2} \)
17 \( 1 + iT - T^{2} \)
19 \( 1 - T^{2} \)
23 \( 1 + (-0.5 - 0.866i)T^{2} \)
29 \( 1 + (0.866 + 1.5i)T + (-0.5 + 0.866i)T^{2} \)
31 \( 1 + (0.5 + 0.866i)T^{2} \)
37 \( 1 - 1.73iT - T^{2} \)
41 \( 1 + (-0.5 - 0.866i)T^{2} \)
43 \( 1 + (-0.5 + 0.866i)T^{2} \)
47 \( 1 + (-0.5 + 0.866i)T^{2} \)
53 \( 1 + 2iT - T^{2} \)
59 \( 1 + (0.5 + 0.866i)T^{2} \)
61 \( 1 + (0.5 + 0.866i)T + (-0.5 + 0.866i)T^{2} \)
67 \( 1 + (-0.5 - 0.866i)T^{2} \)
71 \( 1 - T^{2} \)
73 \( 1 + 1.73iT - T^{2} \)
79 \( 1 + (0.5 - 0.866i)T^{2} \)
83 \( 1 + (-0.5 + 0.866i)T^{2} \)
89 \( 1 + 1.73T + T^{2} \)
97 \( 1 + (0.5 - 0.866i)T^{2} \)
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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

−9.560586721987748224618211223301, −8.376593843462323559054166952062, −7.80475590398729927718444856660, −7.21738693550433556715148964045, −6.49725292776363356088912522476, −5.37077426520007940626515036357, −4.62597409388878188053652233171, −3.18975803668041914658563951657, −2.27115224643207488907508161310, −0.34606435829644916010261749344, 1.47878946688837208851053819259, 2.64503752200081219583980833089, 3.83415364223933840631437076019, 4.48801351537193899049276887311, 5.71290930797732832286846249316, 7.12821107160183185585893551568, 7.34576179490383095842049067331, 8.325253677729579159731655156240, 9.054620009933562452144958124251, 9.551560088877785304326659500571

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