Properties

Label 2-2268-1.1-c1-0-20
Degree $2$
Conductor $2268$
Sign $-1$
Analytic cond. $18.1100$
Root an. cond. $4.25559$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 1.69·5-s − 7-s − 2.47·11-s + 0.777·13-s − 2.81·17-s − 4.98·19-s − 0.712·23-s − 2.11·25-s − 4.51·29-s + 5.09·31-s − 1.69·35-s − 6.87·37-s + 5.87·41-s − 4.65·43-s − 12.9·47-s + 49-s − 1.88·53-s − 4.21·55-s − 14.2·59-s + 14.3·61-s + 1.32·65-s + 7.98·67-s + 10.2·71-s + 4.98·73-s + 2.47·77-s − 9.21·79-s − 8.81·83-s + ⋯
L(s)  = 1  + 0.760·5-s − 0.377·7-s − 0.746·11-s + 0.215·13-s − 0.681·17-s − 1.14·19-s − 0.148·23-s − 0.422·25-s − 0.837·29-s + 0.915·31-s − 0.287·35-s − 1.13·37-s + 0.917·41-s − 0.709·43-s − 1.89·47-s + 0.142·49-s − 0.259·53-s − 0.567·55-s − 1.86·59-s + 1.83·61-s + 0.163·65-s + 0.975·67-s + 1.21·71-s + 0.583·73-s + 0.282·77-s − 1.03·79-s − 0.967·83-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2268 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2268 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2268\)    =    \(2^{2} \cdot 3^{4} \cdot 7\)
Sign: $-1$
Analytic conductor: \(18.1100\)
Root analytic conductor: \(4.25559\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 2268,\ (\ :1/2),\ -1)\)

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 \( 1 \)
7 \( 1 + T \)
good5 \( 1 - 1.69T + 5T^{2} \)
11 \( 1 + 2.47T + 11T^{2} \)
13 \( 1 - 0.777T + 13T^{2} \)
17 \( 1 + 2.81T + 17T^{2} \)
19 \( 1 + 4.98T + 19T^{2} \)
23 \( 1 + 0.712T + 23T^{2} \)
29 \( 1 + 4.51T + 29T^{2} \)
31 \( 1 - 5.09T + 31T^{2} \)
37 \( 1 + 6.87T + 37T^{2} \)
41 \( 1 - 5.87T + 41T^{2} \)
43 \( 1 + 4.65T + 43T^{2} \)
47 \( 1 + 12.9T + 47T^{2} \)
53 \( 1 + 1.88T + 53T^{2} \)
59 \( 1 + 14.2T + 59T^{2} \)
61 \( 1 - 14.3T + 61T^{2} \)
67 \( 1 - 7.98T + 67T^{2} \)
71 \( 1 - 10.2T + 71T^{2} \)
73 \( 1 - 4.98T + 73T^{2} \)
79 \( 1 + 9.21T + 79T^{2} \)
83 \( 1 + 8.81T + 83T^{2} \)
89 \( 1 + 9.65T + 89T^{2} \)
97 \( 1 - 8.64T + 97T^{2} \)
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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

−8.587126446621447996136384147269, −8.024938131524604605797188585875, −6.90606317598642338959280255309, −6.31461797549043900918047929759, −5.54461936363834807667104636575, −4.68581710803585717343852613335, −3.67947540686004779507345532516, −2.57770546725762967941170523160, −1.76303607186285460965851604880, 0, 1.76303607186285460965851604880, 2.57770546725762967941170523160, 3.67947540686004779507345532516, 4.68581710803585717343852613335, 5.54461936363834807667104636575, 6.31461797549043900918047929759, 6.90606317598642338959280255309, 8.024938131524604605797188585875, 8.587126446621447996136384147269

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