Properties

Label 2-1620-1.1-c1-0-2
Degree $2$
Conductor $1620$
Sign $1$
Analytic cond. $12.9357$
Root an. cond. $3.59663$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 5-s − 3.83·7-s + 1.70·11-s + 3.70·13-s − 1.70·17-s + 0.292·19-s + 5.83·23-s + 25-s − 8.67·29-s + 0.292·31-s − 3.83·35-s + 11.9·37-s + 6.96·41-s + 3.70·43-s − 1.87·47-s + 7.70·49-s + 11.6·53-s + 1.70·55-s − 11.6·59-s + 14.9·61-s + 3.70·65-s + 9.54·67-s − 15.9·71-s + 8·73-s − 6.54·77-s + 2·79-s + 11.8·83-s + ⋯
L(s)  = 1  + 0.447·5-s − 1.44·7-s + 0.514·11-s + 1.02·13-s − 0.414·17-s + 0.0671·19-s + 1.21·23-s + 0.200·25-s − 1.60·29-s + 0.0525·31-s − 0.648·35-s + 1.96·37-s + 1.08·41-s + 0.565·43-s − 0.273·47-s + 1.10·49-s + 1.60·53-s + 0.230·55-s − 1.51·59-s + 1.91·61-s + 0.459·65-s + 1.16·67-s − 1.89·71-s + 0.936·73-s − 0.746·77-s + 0.225·79-s + 1.29·83-s + ⋯

Functional equation

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

Invariants

Degree: \(2\)
Conductor: \(1620\)    =    \(2^{2} \cdot 3^{4} \cdot 5\)
Sign: $1$
Analytic conductor: \(12.9357\)
Root analytic conductor: \(3.59663\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1620,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.656334084\)
\(L(\frac12)\) \(\approx\) \(1.656334084\)
\(L(\frac{3}{2})\) 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 \( 1 + 3.83T + 7T^{2} \)
11 \( 1 - 1.70T + 11T^{2} \)
13 \( 1 - 3.70T + 13T^{2} \)
17 \( 1 + 1.70T + 17T^{2} \)
19 \( 1 - 0.292T + 19T^{2} \)
23 \( 1 - 5.83T + 23T^{2} \)
29 \( 1 + 8.67T + 29T^{2} \)
31 \( 1 - 0.292T + 31T^{2} \)
37 \( 1 - 11.9T + 37T^{2} \)
41 \( 1 - 6.96T + 41T^{2} \)
43 \( 1 - 3.70T + 43T^{2} \)
47 \( 1 + 1.87T + 47T^{2} \)
53 \( 1 - 11.6T + 53T^{2} \)
59 \( 1 + 11.6T + 59T^{2} \)
61 \( 1 - 14.9T + 61T^{2} \)
67 \( 1 - 9.54T + 67T^{2} \)
71 \( 1 + 15.9T + 71T^{2} \)
73 \( 1 - 8T + 73T^{2} \)
79 \( 1 - 2T + 79T^{2} \)
83 \( 1 - 11.8T + 83T^{2} \)
89 \( 1 - 3T + 89T^{2} \)
97 \( 1 + 3.67T + 97T^{2} \)
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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

−9.220440900413068302341972361121, −9.009224717526840745654640734219, −7.72650650548502505605044639274, −6.80191744740201368400744088527, −6.21322461261560821890840442186, −5.53129011503517137456249079935, −4.18964421794155493146012135937, −3.41646283974035447308382923512, −2.41358526328815336640970744784, −0.916572009131371766009966514180, 0.916572009131371766009966514180, 2.41358526328815336640970744784, 3.41646283974035447308382923512, 4.18964421794155493146012135937, 5.53129011503517137456249079935, 6.21322461261560821890840442186, 6.80191744740201368400744088527, 7.72650650548502505605044639274, 9.009224717526840745654640734219, 9.220440900413068302341972361121

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