Properties

Label 2-21780-1.1-c1-0-16
Degree $2$
Conductor $21780$
Sign $1$
Analytic cond. $173.914$
Root an. cond. $13.1876$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

Downloads

Learn more

Normalization:  

Dirichlet series

L(s)  = 1  + 5-s + 4·7-s + 4·13-s + 4·17-s + 8·19-s − 4·23-s + 25-s + 8·29-s − 4·31-s + 4·35-s + 6·37-s + 8·41-s + 4·43-s − 12·47-s + 9·49-s + 10·53-s + 8·61-s + 4·65-s + 8·67-s − 12·71-s + 12·73-s − 8·79-s − 4·83-s + 4·85-s − 10·89-s + 16·91-s + 8·95-s + ⋯
L(s)  = 1  + 0.447·5-s + 1.51·7-s + 1.10·13-s + 0.970·17-s + 1.83·19-s − 0.834·23-s + 1/5·25-s + 1.48·29-s − 0.718·31-s + 0.676·35-s + 0.986·37-s + 1.24·41-s + 0.609·43-s − 1.75·47-s + 9/7·49-s + 1.37·53-s + 1.02·61-s + 0.496·65-s + 0.977·67-s − 1.42·71-s + 1.40·73-s − 0.900·79-s − 0.439·83-s + 0.433·85-s − 1.05·89-s + 1.67·91-s + 0.820·95-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 21780 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 21780 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(21780\)    =    \(2^{2} \cdot 3^{2} \cdot 5 \cdot 11^{2}\)
Sign: $1$
Analytic conductor: \(173.914\)
Root analytic conductor: \(13.1876\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 21780,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(4.300135319\)
\(L(\frac12)\) \(\approx\) \(4.300135319\)
\(L(\frac{3}{2})\) 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 \( 1 \)
5 \( 1 - T \)
11 \( 1 \)
good7 \( 1 - 4 T + p T^{2} \)
13 \( 1 - 4 T + p T^{2} \)
17 \( 1 - 4 T + p T^{2} \)
19 \( 1 - 8 T + p T^{2} \)
23 \( 1 + 4 T + p T^{2} \)
29 \( 1 - 8 T + p T^{2} \)
31 \( 1 + 4 T + p T^{2} \)
37 \( 1 - 6 T + p T^{2} \)
41 \( 1 - 8 T + p T^{2} \)
43 \( 1 - 4 T + p T^{2} \)
47 \( 1 + 12 T + p T^{2} \)
53 \( 1 - 10 T + p T^{2} \)
59 \( 1 + p T^{2} \)
61 \( 1 - 8 T + p T^{2} \)
67 \( 1 - 8 T + p T^{2} \)
71 \( 1 + 12 T + p T^{2} \)
73 \( 1 - 12 T + p T^{2} \)
79 \( 1 + 8 T + p T^{2} \)
83 \( 1 + 4 T + p T^{2} \)
89 \( 1 + 10 T + p T^{2} \)
97 \( 1 + 2 T + p T^{2} \)
show more
show less
   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−15.67501143393989, −14.77162645625086, −14.39739820803464, −14.04817189257768, −13.53075981374586, −12.90392961370595, −12.09636678554797, −11.74196042487527, −11.14444452856937, −10.75695854911555, −9.862870269493750, −9.651939121294422, −8.723006197000180, −8.215972100939494, −7.803859343404783, −7.179534706142992, −6.358097477304605, −5.535075263505796, −5.424713303442933, −4.515602752870906, −3.893540170538027, −3.071304348013985, −2.291293559777405, −1.283497217694413, −1.047282473464941, 1.047282473464941, 1.283497217694413, 2.291293559777405, 3.071304348013985, 3.893540170538027, 4.515602752870906, 5.424713303442933, 5.535075263505796, 6.358097477304605, 7.179534706142992, 7.803859343404783, 8.215972100939494, 8.723006197000180, 9.651939121294422, 9.862870269493750, 10.75695854911555, 11.14444452856937, 11.74196042487527, 12.09636678554797, 12.90392961370595, 13.53075981374586, 14.04817189257768, 14.39739820803464, 14.77162645625086, 15.67501143393989

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