Properties

Label 2-20328-1.1-c1-0-6
Degree $2$
Conductor $20328$
Sign $1$
Analytic cond. $162.319$
Root an. cond. $12.7404$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 3-s − 5-s − 7-s + 9-s − 15-s + 3·17-s + 6·19-s − 21-s + 4·23-s − 4·25-s + 27-s − 2·29-s + 10·31-s + 35-s − 2·37-s + 10·41-s − 3·43-s − 45-s + 9·47-s + 49-s + 3·51-s + 6·57-s − 11·59-s − 63-s − 5·67-s + 4·69-s + 16·73-s + ⋯
L(s)  = 1  + 0.577·3-s − 0.447·5-s − 0.377·7-s + 1/3·9-s − 0.258·15-s + 0.727·17-s + 1.37·19-s − 0.218·21-s + 0.834·23-s − 4/5·25-s + 0.192·27-s − 0.371·29-s + 1.79·31-s + 0.169·35-s − 0.328·37-s + 1.56·41-s − 0.457·43-s − 0.149·45-s + 1.31·47-s + 1/7·49-s + 0.420·51-s + 0.794·57-s − 1.43·59-s − 0.125·63-s − 0.610·67-s + 0.481·69-s + 1.87·73-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 20328 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 20328 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(20328\)    =    \(2^{3} \cdot 3 \cdot 7 \cdot 11^{2}\)
Sign: $1$
Analytic conductor: \(162.319\)
Root analytic conductor: \(12.7404\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 20328,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.710090227\)
\(L(\frac12)\) \(\approx\) \(2.710090227\)
\(L(\frac{3}{2})\) 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 \( 1 - T \)
7 \( 1 + T \)
11 \( 1 \)
good5 \( 1 + T + p T^{2} \)
13 \( 1 + p T^{2} \)
17 \( 1 - 3 T + p T^{2} \)
19 \( 1 - 6 T + p T^{2} \)
23 \( 1 - 4 T + p T^{2} \)
29 \( 1 + 2 T + p T^{2} \)
31 \( 1 - 10 T + p T^{2} \)
37 \( 1 + 2 T + p T^{2} \)
41 \( 1 - 10 T + p T^{2} \)
43 \( 1 + 3 T + p T^{2} \)
47 \( 1 - 9 T + p T^{2} \)
53 \( 1 + p T^{2} \)
59 \( 1 + 11 T + p T^{2} \)
61 \( 1 + p T^{2} \)
67 \( 1 + 5 T + p T^{2} \)
71 \( 1 + p T^{2} \)
73 \( 1 - 16 T + p T^{2} \)
79 \( 1 + 16 T + p T^{2} \)
83 \( 1 + 9 T + p T^{2} \)
89 \( 1 - 9 T + p T^{2} \)
97 \( 1 - 6 T + p T^{2} \)
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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

−15.73801070705691, −15.20582256637137, −14.47392976182737, −14.02007232879234, −13.53234279063765, −13.01723632200710, −12.11306292165820, −12.09014668205684, −11.24560670341323, −10.64886175580804, −9.918339471881707, −9.539020159110727, −8.976655728149734, −8.263241852113372, −7.634087151812083, −7.372336583578896, −6.547254137131626, −5.841664872843142, −5.203214521457458, −4.402470107522565, −3.783081726396214, −3.062409800851454, −2.634215499492529, −1.463861289054988, −0.6979839094145961, 0.6979839094145961, 1.463861289054988, 2.634215499492529, 3.062409800851454, 3.783081726396214, 4.402470107522565, 5.203214521457458, 5.841664872843142, 6.547254137131626, 7.372336583578896, 7.634087151812083, 8.263241852113372, 8.976655728149734, 9.539020159110727, 9.918339471881707, 10.64886175580804, 11.24560670341323, 12.09014668205684, 12.11306292165820, 13.01723632200710, 13.53234279063765, 14.02007232879234, 14.47392976182737, 15.20582256637137, 15.73801070705691

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