Properties

Label 2-20280-1.1-c1-0-15
Degree $2$
Conductor $20280$
Sign $-1$
Analytic cond. $161.936$
Root an. cond. $12.7254$
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 − 5-s − 4·7-s + 9-s − 4·11-s + 15-s + 6·17-s + 4·21-s − 4·23-s + 25-s − 27-s − 6·29-s + 8·31-s + 4·33-s + 4·35-s + 2·37-s − 10·41-s − 4·43-s − 45-s − 8·47-s + 9·49-s − 6·51-s − 2·53-s + 4·55-s − 4·59-s + 14·61-s − 4·63-s + ⋯
L(s)  = 1  − 0.577·3-s − 0.447·5-s − 1.51·7-s + 1/3·9-s − 1.20·11-s + 0.258·15-s + 1.45·17-s + 0.872·21-s − 0.834·23-s + 1/5·25-s − 0.192·27-s − 1.11·29-s + 1.43·31-s + 0.696·33-s + 0.676·35-s + 0.328·37-s − 1.56·41-s − 0.609·43-s − 0.149·45-s − 1.16·47-s + 9/7·49-s − 0.840·51-s − 0.274·53-s + 0.539·55-s − 0.520·59-s + 1.79·61-s − 0.503·63-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 20280 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 20280 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(20280\)    =    \(2^{3} \cdot 3 \cdot 5 \cdot 13^{2}\)
Sign: $-1$
Analytic conductor: \(161.936\)
Root analytic conductor: \(12.7254\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 20280,\ (\ :1/2),\ -1)\)

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 \( 1 + T \)
5 \( 1 + T \)
13 \( 1 \)
good7 \( 1 + 4 T + p T^{2} \)
11 \( 1 + 4 T + p T^{2} \)
17 \( 1 - 6 T + p T^{2} \)
19 \( 1 + p T^{2} \)
23 \( 1 + 4 T + p T^{2} \)
29 \( 1 + 6 T + p T^{2} \)
31 \( 1 - 8 T + p T^{2} \)
37 \( 1 - 2 T + p T^{2} \)
41 \( 1 + 10 T + p T^{2} \)
43 \( 1 + 4 T + p T^{2} \)
47 \( 1 + 8 T + p T^{2} \)
53 \( 1 + 2 T + p T^{2} \)
59 \( 1 + 4 T + p T^{2} \)
61 \( 1 - 14 T + p T^{2} \)
67 \( 1 - 12 T + p T^{2} \)
71 \( 1 - 8 T + p T^{2} \)
73 \( 1 - 10 T + p T^{2} \)
79 \( 1 + p T^{2} \)
83 \( 1 - 4 T + p T^{2} \)
89 \( 1 + 10 T + p T^{2} \)
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

−16.00509240175021, −15.45711302097043, −15.09608595669834, −14.21229217533429, −13.62176843654128, −13.02219806245832, −12.67356833289210, −12.13258841874703, −11.59857246911927, −10.96843758624327, −10.17813588703830, −9.903680239245969, −9.574409330416588, −8.417879071870238, −8.032386011424747, −7.414850819730763, −6.626512130844669, −6.313770906821267, −5.372653949081750, −5.180530121304308, −4.083198424388971, −3.440435137927237, −2.964878814249906, −1.997312698768280, −0.7587208522045789, 0, 0.7587208522045789, 1.997312698768280, 2.964878814249906, 3.440435137927237, 4.083198424388971, 5.180530121304308, 5.372653949081750, 6.313770906821267, 6.626512130844669, 7.414850819730763, 8.032386011424747, 8.417879071870238, 9.574409330416588, 9.903680239245969, 10.17813588703830, 10.96843758624327, 11.59857246911927, 12.13258841874703, 12.67356833289210, 13.02219806245832, 13.62176843654128, 14.21229217533429, 15.09608595669834, 15.45711302097043, 16.00509240175021

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