Properties

Label 2-23520-1.1-c1-0-6
Degree $2$
Conductor $23520$
Sign $1$
Analytic cond. $187.808$
Root an. cond. $13.7043$
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 + 9-s − 4·11-s + 6·13-s − 15-s − 6·17-s + 4·19-s − 4·23-s + 25-s + 27-s − 2·29-s − 8·31-s − 4·33-s + 6·37-s + 6·39-s − 6·41-s + 8·43-s − 45-s − 6·51-s + 6·53-s + 4·55-s + 4·57-s + 4·59-s − 10·61-s − 6·65-s + 8·67-s + ⋯
L(s)  = 1  + 0.577·3-s − 0.447·5-s + 1/3·9-s − 1.20·11-s + 1.66·13-s − 0.258·15-s − 1.45·17-s + 0.917·19-s − 0.834·23-s + 1/5·25-s + 0.192·27-s − 0.371·29-s − 1.43·31-s − 0.696·33-s + 0.986·37-s + 0.960·39-s − 0.937·41-s + 1.21·43-s − 0.149·45-s − 0.840·51-s + 0.824·53-s + 0.539·55-s + 0.529·57-s + 0.520·59-s − 1.28·61-s − 0.744·65-s + 0.977·67-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 23520 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 23520 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(23520\)    =    \(2^{5} \cdot 3 \cdot 5 \cdot 7^{2}\)
Sign: $1$
Analytic conductor: \(187.808\)
Root analytic conductor: \(13.7043\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 23520,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.010734205\)
\(L(\frac12)\) \(\approx\) \(2.010734205\)
\(L(\frac{3}{2})\) 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 \( 1 + T \)
7 \( 1 \)
good11 \( 1 + 4 T + p T^{2} \)
13 \( 1 - 6 T + p T^{2} \)
17 \( 1 + 6 T + p T^{2} \)
19 \( 1 - 4 T + p T^{2} \)
23 \( 1 + 4 T + p T^{2} \)
29 \( 1 + 2 T + p T^{2} \)
31 \( 1 + 8 T + p T^{2} \)
37 \( 1 - 6 T + p T^{2} \)
41 \( 1 + 6 T + p T^{2} \)
43 \( 1 - 8 T + p T^{2} \)
47 \( 1 + p T^{2} \)
53 \( 1 - 6 T + p T^{2} \)
59 \( 1 - 4 T + p T^{2} \)
61 \( 1 + 10 T + p T^{2} \)
67 \( 1 - 8 T + p T^{2} \)
71 \( 1 - 12 T + p T^{2} \)
73 \( 1 - 14 T + p T^{2} \)
79 \( 1 + 16 T + p T^{2} \)
83 \( 1 - 12 T + p T^{2} \)
89 \( 1 + 14 T + p T^{2} \)
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

−15.47749804926022, −15.14103478837543, −14.25444861346691, −13.75558682119861, −13.37510740271438, −12.85145122755669, −12.37318771586524, −11.41243572727907, −11.10264105175249, −10.67430409464164, −9.917365352108784, −9.247778948908961, −8.788470168391582, −8.117340426071700, −7.828721528548206, −7.072023830499384, −6.490691625267554, −5.673526840235439, −5.211462190250738, −4.172114029485778, −3.886857346080815, −3.086121523012512, −2.376363550536300, −1.626101115772469, −0.5431330312507357, 0.5431330312507357, 1.626101115772469, 2.376363550536300, 3.086121523012512, 3.886857346080815, 4.172114029485778, 5.211462190250738, 5.673526840235439, 6.490691625267554, 7.072023830499384, 7.828721528548206, 8.117340426071700, 8.788470168391582, 9.247778948908961, 9.917365352108784, 10.67430409464164, 11.10264105175249, 11.41243572727907, 12.37318771586524, 12.85145122755669, 13.37510740271438, 13.75558682119861, 14.25444861346691, 15.14103478837543, 15.47749804926022

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