Properties

Label 2-1656-1.1-c1-0-27
Degree $2$
Conductor $1656$
Sign $-1$
Analytic cond. $13.2232$
Root an. cond. $3.63637$
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  + 4·7-s − 6·11-s − 2·13-s − 6·17-s − 6·19-s − 23-s − 5·25-s + 6·29-s − 8·37-s − 6·41-s − 2·43-s + 8·47-s + 9·49-s + 8·53-s − 4·59-s − 4·61-s + 2·67-s + 8·71-s + 6·73-s − 24·77-s + 12·79-s − 10·83-s − 10·89-s − 8·91-s − 18·97-s − 6·101-s + 8·103-s + ⋯
L(s)  = 1  + 1.51·7-s − 1.80·11-s − 0.554·13-s − 1.45·17-s − 1.37·19-s − 0.208·23-s − 25-s + 1.11·29-s − 1.31·37-s − 0.937·41-s − 0.304·43-s + 1.16·47-s + 9/7·49-s + 1.09·53-s − 0.520·59-s − 0.512·61-s + 0.244·67-s + 0.949·71-s + 0.702·73-s − 2.73·77-s + 1.35·79-s − 1.09·83-s − 1.05·89-s − 0.838·91-s − 1.82·97-s − 0.597·101-s + 0.788·103-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1656 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1656 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1656\)    =    \(2^{3} \cdot 3^{2} \cdot 23\)
Sign: $-1$
Analytic conductor: \(13.2232\)
Root analytic conductor: \(3.63637\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 1656,\ (\ :1/2),\ -1)\)

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 \( 1 \)
23 \( 1 + T \)
good5 \( 1 + p T^{2} \)
7 \( 1 - 4 T + p T^{2} \)
11 \( 1 + 6 T + p T^{2} \)
13 \( 1 + 2 T + p T^{2} \)
17 \( 1 + 6 T + p T^{2} \)
19 \( 1 + 6 T + p T^{2} \)
29 \( 1 - 6 T + p T^{2} \)
31 \( 1 + p T^{2} \)
37 \( 1 + 8 T + p T^{2} \)
41 \( 1 + 6 T + p T^{2} \)
43 \( 1 + 2 T + p T^{2} \)
47 \( 1 - 8 T + p T^{2} \)
53 \( 1 - 8 T + p T^{2} \)
59 \( 1 + 4 T + p T^{2} \)
61 \( 1 + 4 T + p T^{2} \)
67 \( 1 - 2 T + p T^{2} \)
71 \( 1 - 8 T + p T^{2} \)
73 \( 1 - 6 T + p T^{2} \)
79 \( 1 - 12 T + p T^{2} \)
83 \( 1 + 10 T + p T^{2} \)
89 \( 1 + 10 T + p T^{2} \)
97 \( 1 + 18 T + p T^{2} \)
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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

−8.601348166683304914056585059265, −8.320236055459786854807713491348, −7.51799242171937345337021049954, −6.64787884445607472888119813091, −5.46759063803448033131660005497, −4.86456749161076388512551590669, −4.14218283371488576671439383744, −2.53210728436057851679498975053, −1.94477350504889909491080153121, 0, 1.94477350504889909491080153121, 2.53210728436057851679498975053, 4.14218283371488576671439383744, 4.86456749161076388512551590669, 5.46759063803448033131660005497, 6.64787884445607472888119813091, 7.51799242171937345337021049954, 8.320236055459786854807713491348, 8.601348166683304914056585059265

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