Properties

Label 2-1620-1.1-c3-0-25
Degree $2$
Conductor $1620$
Sign $1$
Analytic cond. $95.5830$
Root an. cond. $9.77666$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 5·5-s + 13.6·7-s + 27.8·11-s + 59.2·13-s + 87.5·17-s + 161.·19-s − 131.·23-s + 25·25-s + 151.·29-s − 228.·31-s + 68.0·35-s + 236.·37-s + 226.·41-s − 152.·43-s + 129.·47-s − 157.·49-s − 492.·53-s + 139.·55-s − 879.·59-s − 434.·61-s + 296.·65-s + 539.·67-s + 65.4·71-s + 313.·73-s + 378.·77-s + 885.·79-s + 744.·83-s + ⋯
L(s)  = 1  + 0.447·5-s + 0.735·7-s + 0.762·11-s + 1.26·13-s + 1.24·17-s + 1.95·19-s − 1.19·23-s + 0.200·25-s + 0.969·29-s − 1.32·31-s + 0.328·35-s + 1.05·37-s + 0.863·41-s − 0.539·43-s + 0.402·47-s − 0.459·49-s − 1.27·53-s + 0.341·55-s − 1.93·59-s − 0.910·61-s + 0.565·65-s + 0.984·67-s + 0.109·71-s + 0.503·73-s + 0.560·77-s + 1.26·79-s + 0.985·83-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: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1620,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(3.491840494\)
\(L(\frac12)\) \(\approx\) \(3.491840494\)
\(L(\frac{5}{2})\) 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 \( 1 - 5T \)
good7 \( 1 - 13.6T + 343T^{2} \)
11 \( 1 - 27.8T + 1.33e3T^{2} \)
13 \( 1 - 59.2T + 2.19e3T^{2} \)
17 \( 1 - 87.5T + 4.91e3T^{2} \)
19 \( 1 - 161.T + 6.85e3T^{2} \)
23 \( 1 + 131.T + 1.21e4T^{2} \)
29 \( 1 - 151.T + 2.43e4T^{2} \)
31 \( 1 + 228.T + 2.97e4T^{2} \)
37 \( 1 - 236.T + 5.06e4T^{2} \)
41 \( 1 - 226.T + 6.89e4T^{2} \)
43 \( 1 + 152.T + 7.95e4T^{2} \)
47 \( 1 - 129.T + 1.03e5T^{2} \)
53 \( 1 + 492.T + 1.48e5T^{2} \)
59 \( 1 + 879.T + 2.05e5T^{2} \)
61 \( 1 + 434.T + 2.26e5T^{2} \)
67 \( 1 - 539.T + 3.00e5T^{2} \)
71 \( 1 - 65.4T + 3.57e5T^{2} \)
73 \( 1 - 313.T + 3.89e5T^{2} \)
79 \( 1 - 885.T + 4.93e5T^{2} \)
83 \( 1 - 744.T + 5.71e5T^{2} \)
89 \( 1 + 401.T + 7.04e5T^{2} \)
97 \( 1 + 1.07e3T + 9.12e5T^{2} \)
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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

−9.225788947305782137305020865310, −8.044448286138618905669620592483, −7.69405255405834929280327170194, −6.45374924345850080555943734030, −5.80101678479406652965073078917, −5.00952050492938809641016792863, −3.89414165474150398189926870179, −3.09672076182492500502306314802, −1.63258190607942173383408126072, −1.02766742987637670277873935910, 1.02766742987637670277873935910, 1.63258190607942173383408126072, 3.09672076182492500502306314802, 3.89414165474150398189926870179, 5.00952050492938809641016792863, 5.80101678479406652965073078917, 6.45374924345850080555943734030, 7.69405255405834929280327170194, 8.044448286138618905669620592483, 9.225788947305782137305020865310

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