Properties

Label 2-27448-1.1-c1-0-0
Degree $2$
Conductor $27448$
Sign $-1$
Analytic cond. $219.173$
Root an. cond. $14.8045$
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  − 3-s − 3·5-s + 2·7-s − 2·9-s − 13-s + 3·15-s + 4·19-s − 2·21-s − 6·23-s + 4·25-s + 5·27-s + 7·29-s + 8·31-s − 6·35-s − 37-s + 39-s − 8·41-s + 5·43-s + 6·45-s + 47-s − 3·49-s − 12·53-s − 4·57-s − 15·61-s − 4·63-s + 3·65-s + 4·67-s + ⋯
L(s)  = 1  − 0.577·3-s − 1.34·5-s + 0.755·7-s − 2/3·9-s − 0.277·13-s + 0.774·15-s + 0.917·19-s − 0.436·21-s − 1.25·23-s + 4/5·25-s + 0.962·27-s + 1.29·29-s + 1.43·31-s − 1.01·35-s − 0.164·37-s + 0.160·39-s − 1.24·41-s + 0.762·43-s + 0.894·45-s + 0.145·47-s − 3/7·49-s − 1.64·53-s − 0.529·57-s − 1.92·61-s − 0.503·63-s + 0.372·65-s + 0.488·67-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 27448 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 27448 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(27448\)    =    \(2^{3} \cdot 47 \cdot 73\)
Sign: $-1$
Analytic conductor: \(219.173\)
Root analytic conductor: \(14.8045\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 27448,\ (\ :1/2),\ -1)\)

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 \( 1 \)
47 \( 1 - T \)
73 \( 1 - T \)
good3 \( 1 + T + p T^{2} \)
5 \( 1 + 3 T + p T^{2} \)
7 \( 1 - 2 T + p T^{2} \)
11 \( 1 + p T^{2} \)
13 \( 1 + T + p T^{2} \)
17 \( 1 + p T^{2} \)
19 \( 1 - 4 T + p T^{2} \)
23 \( 1 + 6 T + p T^{2} \)
29 \( 1 - 7 T + p T^{2} \)
31 \( 1 - 8 T + p T^{2} \)
37 \( 1 + T + p T^{2} \)
41 \( 1 + 8 T + p T^{2} \)
43 \( 1 - 5 T + p T^{2} \)
53 \( 1 + 12 T + p T^{2} \)
59 \( 1 + p T^{2} \)
61 \( 1 + 15 T + p T^{2} \)
67 \( 1 - 4 T + p T^{2} \)
71 \( 1 + 9 T + p T^{2} \)
79 \( 1 - 9 T + p T^{2} \)
83 \( 1 + 16 T + p T^{2} \)
89 \( 1 + 3 T + p T^{2} \)
97 \( 1 - 3 T + p T^{2} \)
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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

−15.66273738058336, −15.13087674433756, −14.25905173338017, −14.14647620775913, −13.53563059133528, −12.46596255244797, −12.15219886196529, −11.75504584873869, −11.38514833358504, −10.84079068339231, −10.20374865864168, −9.650047934354370, −8.694870801794323, −8.307744087690806, −7.839430472800992, −7.369839623189211, −6.520373048176753, −6.044073908800863, −5.241342675399931, −4.637228090350433, −4.318982230269526, −3.284443241327431, −2.895194719739899, −1.767987352711368, −0.8203113684266995, 0, 0.8203113684266995, 1.767987352711368, 2.895194719739899, 3.284443241327431, 4.318982230269526, 4.637228090350433, 5.241342675399931, 6.044073908800863, 6.520373048176753, 7.369839623189211, 7.839430472800992, 8.307744087690806, 8.694870801794323, 9.650047934354370, 10.20374865864168, 10.84079068339231, 11.38514833358504, 11.75504584873869, 12.15219886196529, 12.46596255244797, 13.53563059133528, 14.14647620775913, 14.25905173338017, 15.13087674433756, 15.66273738058336

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