Properties

Label 2-20280-1.1-c1-0-28
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 + 9-s + 4·11-s + 15-s + 2·17-s + 4·19-s + 8·23-s + 25-s − 27-s + 6·29-s − 8·31-s − 4·33-s − 6·37-s − 2·41-s − 12·43-s − 45-s + 8·47-s − 7·49-s − 2·51-s − 2·53-s − 4·55-s − 4·57-s − 12·59-s − 2·61-s − 12·67-s − 8·69-s + ⋯
L(s)  = 1  − 0.577·3-s − 0.447·5-s + 1/3·9-s + 1.20·11-s + 0.258·15-s + 0.485·17-s + 0.917·19-s + 1.66·23-s + 1/5·25-s − 0.192·27-s + 1.11·29-s − 1.43·31-s − 0.696·33-s − 0.986·37-s − 0.312·41-s − 1.82·43-s − 0.149·45-s + 1.16·47-s − 49-s − 0.280·51-s − 0.274·53-s − 0.539·55-s − 0.529·57-s − 1.56·59-s − 0.256·61-s − 1.46·67-s − 0.963·69-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 \( 1 + p T^{2} \) 1.7.a
11 \( 1 - 4 T + p T^{2} \) 1.11.ae
17 \( 1 - 2 T + p T^{2} \) 1.17.ac
19 \( 1 - 4 T + p T^{2} \) 1.19.ae
23 \( 1 - 8 T + p T^{2} \) 1.23.ai
29 \( 1 - 6 T + p T^{2} \) 1.29.ag
31 \( 1 + 8 T + p T^{2} \) 1.31.i
37 \( 1 + 6 T + p T^{2} \) 1.37.g
41 \( 1 + 2 T + p T^{2} \) 1.41.c
43 \( 1 + 12 T + p T^{2} \) 1.43.m
47 \( 1 - 8 T + p T^{2} \) 1.47.ai
53 \( 1 + 2 T + p T^{2} \) 1.53.c
59 \( 1 + 12 T + p T^{2} \) 1.59.m
61 \( 1 + 2 T + p T^{2} \) 1.61.c
67 \( 1 + 12 T + p T^{2} \) 1.67.m
71 \( 1 + 16 T + p T^{2} \) 1.71.q
73 \( 1 + 10 T + p T^{2} \) 1.73.k
79 \( 1 - 8 T + p T^{2} \) 1.79.ai
83 \( 1 - 12 T + p T^{2} \) 1.83.am
89 \( 1 + 18 T + p T^{2} \) 1.89.s
97 \( 1 + 2 T + p T^{2} \) 1.97.c
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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

−16.02436239055061, −15.35312353556293, −14.83335484645282, −14.42127800418906, −13.66040027258962, −13.24281453805959, −12.38011843204605, −12.05039357124841, −11.64908031313788, −10.95515098721902, −10.54902238251947, −9.794044934120248, −9.160845516461425, −8.780492000893187, −7.963600438241483, −7.180301057404543, −6.949001266121128, −6.196318912659456, −5.494307397018733, −4.870318684199647, −4.319675692371293, −3.341283300656342, −3.107936683851166, −1.615969288561639, −1.160989273667117, 0, 1.160989273667117, 1.615969288561639, 3.107936683851166, 3.341283300656342, 4.319675692371293, 4.870318684199647, 5.494307397018733, 6.196318912659456, 6.949001266121128, 7.180301057404543, 7.963600438241483, 8.780492000893187, 9.160845516461425, 9.794044934120248, 10.54902238251947, 10.95515098721902, 11.64908031313788, 12.05039357124841, 12.38011843204605, 13.24281453805959, 13.66040027258962, 14.42127800418906, 14.83335484645282, 15.35312353556293, 16.02436239055061

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