Properties

Label 2-1620-1.1-c3-0-38
Degree $2$
Conductor $1620$
Sign $-1$
Analytic cond. $95.5830$
Root an. cond. $9.77666$
Motivic weight $3$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 5·5-s − 7·7-s + 30·11-s − 22·13-s − 48·17-s + 68·19-s − 111·23-s + 25·25-s − 87·29-s + 20·31-s − 35·35-s + 200·37-s − 69·41-s − 232·43-s − 243·47-s − 294·49-s + 498·53-s + 150·55-s − 66·59-s + 359·61-s − 110·65-s − 1.06e3·67-s + 618·71-s − 532·73-s − 210·77-s + 410·79-s − 693·83-s + ⋯
L(s)  = 1  + 0.447·5-s − 0.377·7-s + 0.822·11-s − 0.469·13-s − 0.684·17-s + 0.821·19-s − 1.00·23-s + 1/5·25-s − 0.557·29-s + 0.115·31-s − 0.169·35-s + 0.888·37-s − 0.262·41-s − 0.822·43-s − 0.754·47-s − 6/7·49-s + 1.29·53-s + 0.367·55-s − 0.145·59-s + 0.753·61-s − 0.209·65-s − 1.93·67-s + 1.03·71-s − 0.852·73-s − 0.310·77-s + 0.583·79-s − 0.916·83-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1620 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1620 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1620\)    =    \(2^{2} \cdot 3^{4} \cdot 5\)
Sign: $-1$
Analytic conductor: \(95.5830\)
Root analytic conductor: \(9.77666\)
Motivic weight: \(3\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 1620,\ (\ :3/2),\ -1)\)

Particular Values

\(L(2)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{5}{2})\) 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 \( 1 - p T \)
good7 \( 1 + p T + p^{3} T^{2} \)
11 \( 1 - 30 T + p^{3} T^{2} \)
13 \( 1 + 22 T + p^{3} T^{2} \)
17 \( 1 + 48 T + p^{3} T^{2} \)
19 \( 1 - 68 T + p^{3} T^{2} \)
23 \( 1 + 111 T + p^{3} T^{2} \)
29 \( 1 + 3 p T + p^{3} T^{2} \)
31 \( 1 - 20 T + p^{3} T^{2} \)
37 \( 1 - 200 T + p^{3} T^{2} \)
41 \( 1 + 69 T + p^{3} T^{2} \)
43 \( 1 + 232 T + p^{3} T^{2} \)
47 \( 1 + 243 T + p^{3} T^{2} \)
53 \( 1 - 498 T + p^{3} T^{2} \)
59 \( 1 + 66 T + p^{3} T^{2} \)
61 \( 1 - 359 T + p^{3} T^{2} \)
67 \( 1 + 1063 T + p^{3} T^{2} \)
71 \( 1 - 618 T + p^{3} T^{2} \)
73 \( 1 + 532 T + p^{3} T^{2} \)
79 \( 1 - 410 T + p^{3} T^{2} \)
83 \( 1 + 693 T + p^{3} T^{2} \)
89 \( 1 - 1599 T + p^{3} T^{2} \)
97 \( 1 - 50 T + p^{3} T^{2} \)
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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

−8.742589553070066305259619430934, −7.82739887354931146885800851647, −6.91026312593224611052646557762, −6.26835282762337030864542237525, −5.40787808771182573007308992780, −4.42253412982822021917255049841, −3.49690465580331817328929835054, −2.41841258632485958985935098507, −1.37842010135189800399241798750, 0, 1.37842010135189800399241798750, 2.41841258632485958985935098507, 3.49690465580331817328929835054, 4.42253412982822021917255049841, 5.40787808771182573007308992780, 6.26835282762337030864542237525, 6.91026312593224611052646557762, 7.82739887354931146885800851647, 8.742589553070066305259619430934

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