Properties

Label 2-1620-1.1-c1-0-13
Degree $2$
Conductor $1620$
Sign $-1$
Analytic cond. $12.9357$
Root an. cond. $3.59663$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 5-s − 4·7-s + 3·11-s − 4·13-s + 5·19-s − 6·23-s + 25-s − 9·29-s + 5·31-s − 4·35-s + 2·37-s − 9·41-s − 10·43-s − 6·47-s + 9·49-s − 12·53-s + 3·55-s + 9·59-s − 10·61-s − 4·65-s + 2·67-s + 3·71-s − 4·73-s − 12·77-s − 4·79-s + 6·83-s − 9·89-s + ⋯
L(s)  = 1  + 0.447·5-s − 1.51·7-s + 0.904·11-s − 1.10·13-s + 1.14·19-s − 1.25·23-s + 1/5·25-s − 1.67·29-s + 0.898·31-s − 0.676·35-s + 0.328·37-s − 1.40·41-s − 1.52·43-s − 0.875·47-s + 9/7·49-s − 1.64·53-s + 0.404·55-s + 1.17·59-s − 1.28·61-s − 0.496·65-s + 0.244·67-s + 0.356·71-s − 0.468·73-s − 1.36·77-s − 0.450·79-s + 0.658·83-s − 0.953·89-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: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 1620,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) 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 \( 1 - 3 T + p T^{2} \)
13 \( 1 + 4 T + p T^{2} \)
17 \( 1 + p T^{2} \)
19 \( 1 - 5 T + p T^{2} \)
23 \( 1 + 6 T + p T^{2} \)
29 \( 1 + 9 T + p T^{2} \)
31 \( 1 - 5 T + p T^{2} \)
37 \( 1 - 2 T + p T^{2} \)
41 \( 1 + 9 T + p T^{2} \)
43 \( 1 + 10 T + p T^{2} \)
47 \( 1 + 6 T + p T^{2} \)
53 \( 1 + 12 T + p T^{2} \)
59 \( 1 - 9 T + p T^{2} \)
61 \( 1 + 10 T + p T^{2} \)
67 \( 1 - 2 T + p T^{2} \)
71 \( 1 - 3 T + p T^{2} \)
73 \( 1 + 4 T + p T^{2} \)
79 \( 1 + 4 T + p T^{2} \)
83 \( 1 - 6 T + p T^{2} \)
89 \( 1 + 9 T + p T^{2} \)
97 \( 1 - 2 T + p T^{2} \)
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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

−9.365735209724249650801766208602, −8.221440095252496236140880696261, −7.22071661878271177619872980253, −6.56690061153787637882102352572, −5.87248703622753539329170166212, −4.90523607973036056720187714059, −3.71162973193978748507760260210, −2.99055288852233283223860215491, −1.73691204456417348658756664708, 0, 1.73691204456417348658756664708, 2.99055288852233283223860215491, 3.71162973193978748507760260210, 4.90523607973036056720187714059, 5.87248703622753539329170166212, 6.56690061153787637882102352572, 7.22071661878271177619872980253, 8.221440095252496236140880696261, 9.365735209724249650801766208602

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