Properties

Label 2-20280-1.1-c1-0-26
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 + 2·7-s + 9-s + 15-s + 6·17-s + 2·19-s − 2·21-s + 25-s − 27-s + 2·29-s + 6·31-s − 2·35-s − 6·41-s − 4·43-s − 45-s − 12·47-s − 3·49-s − 6·51-s − 14·53-s − 2·57-s − 4·59-s − 6·61-s + 2·63-s + 2·67-s + 8·71-s + 8·73-s + ⋯
L(s)  = 1  − 0.577·3-s − 0.447·5-s + 0.755·7-s + 1/3·9-s + 0.258·15-s + 1.45·17-s + 0.458·19-s − 0.436·21-s + 1/5·25-s − 0.192·27-s + 0.371·29-s + 1.07·31-s − 0.338·35-s − 0.937·41-s − 0.609·43-s − 0.149·45-s − 1.75·47-s − 3/7·49-s − 0.840·51-s − 1.92·53-s − 0.264·57-s − 0.520·59-s − 0.768·61-s + 0.251·63-s + 0.244·67-s + 0.949·71-s + 0.936·73-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)$Isogeny Class over $\mathbf{F}_p$
bad2 \( 1 \)
3 \( 1 + T \)
5 \( 1 + T \)
13 \( 1 \)
good7 \( 1 - 2 T + p T^{2} \) 1.7.ac
11 \( 1 + p T^{2} \) 1.11.a
17 \( 1 - 6 T + p T^{2} \) 1.17.ag
19 \( 1 - 2 T + p T^{2} \) 1.19.ac
23 \( 1 + p T^{2} \) 1.23.a
29 \( 1 - 2 T + p T^{2} \) 1.29.ac
31 \( 1 - 6 T + p T^{2} \) 1.31.ag
37 \( 1 + p T^{2} \) 1.37.a
41 \( 1 + 6 T + p T^{2} \) 1.41.g
43 \( 1 + 4 T + p T^{2} \) 1.43.e
47 \( 1 + 12 T + p T^{2} \) 1.47.m
53 \( 1 + 14 T + p T^{2} \) 1.53.o
59 \( 1 + 4 T + p T^{2} \) 1.59.e
61 \( 1 + 6 T + p T^{2} \) 1.61.g
67 \( 1 - 2 T + p T^{2} \) 1.67.ac
71 \( 1 - 8 T + p T^{2} \) 1.71.ai
73 \( 1 - 8 T + p T^{2} \) 1.73.ai
79 \( 1 + 16 T + p T^{2} \) 1.79.q
83 \( 1 + 4 T + p T^{2} \) 1.83.e
89 \( 1 + 18 T + p T^{2} \) 1.89.s
97 \( 1 - 8 T + p T^{2} \) 1.97.ai
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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

−15.82363767765882, −15.53326713849958, −14.80195688817467, −14.25076221853170, −13.94114383765435, −13.01962828360907, −12.60166329155052, −11.80504629579796, −11.71270144408514, −11.07192168586658, −10.39840915821479, −9.881379902138004, −9.377197976995821, −8.302361377854253, −8.104960711675817, −7.517330012625405, −6.725221856422907, −6.230764730530877, −5.360059737245222, −4.947796894655668, −4.377714626912684, −3.429412446488659, −2.949993080634110, −1.671990863236211, −1.152500044214598, 0, 1.152500044214598, 1.671990863236211, 2.949993080634110, 3.429412446488659, 4.377714626912684, 4.947796894655668, 5.360059737245222, 6.230764730530877, 6.725221856422907, 7.517330012625405, 8.104960711675817, 8.302361377854253, 9.377197976995821, 9.881379902138004, 10.39840915821479, 11.07192168586658, 11.71270144408514, 11.80504629579796, 12.60166329155052, 13.01962828360907, 13.94114383765435, 14.25076221853170, 14.80195688817467, 15.53326713849958, 15.82363767765882

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