Properties

Label 2-1980-1.1-c1-0-9
Degree $2$
Conductor $1980$
Sign $-1$
Analytic cond. $15.8103$
Root an. cond. $3.97622$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

Related objects

Downloads

Learn more

Normalization:  

Dirichlet series

L(s)  = 1  − 5-s − 2.60·7-s − 11-s + 2.60·13-s + 0.605·17-s + 7.21·19-s + 25-s − 8·29-s − 5.21·31-s + 2.60·35-s + 11.2·37-s − 8·41-s − 10.6·43-s − 9.21·47-s − 0.211·49-s − 2·53-s + 55-s − 8·59-s − 7.21·61-s − 2.60·65-s − 4·67-s − 14.4·71-s − 6.60·73-s + 2.60·77-s + 3.21·79-s + 3.39·83-s − 0.605·85-s + ⋯
L(s)  = 1  − 0.447·5-s − 0.984·7-s − 0.301·11-s + 0.722·13-s + 0.146·17-s + 1.65·19-s + 0.200·25-s − 1.48·29-s − 0.935·31-s + 0.440·35-s + 1.84·37-s − 1.24·41-s − 1.61·43-s − 1.34·47-s − 0.0301·49-s − 0.274·53-s + 0.134·55-s − 1.04·59-s − 0.923·61-s − 0.323·65-s − 0.488·67-s − 1.71·71-s − 0.773·73-s + 0.296·77-s + 0.361·79-s + 0.372·83-s − 0.0656·85-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1980 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1980 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1980\)    =    \(2^{2} \cdot 3^{2} \cdot 5 \cdot 11\)
Sign: $-1$
Analytic conductor: \(15.8103\)
Root analytic conductor: \(3.97622\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 1980,\ (\ :1/2),\ -1)\)

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)$
bad2 \( 1 \)
3 \( 1 \)
5 \( 1 + T \)
11 \( 1 + T \)
good7 \( 1 + 2.60T + 7T^{2} \)
13 \( 1 - 2.60T + 13T^{2} \)
17 \( 1 - 0.605T + 17T^{2} \)
19 \( 1 - 7.21T + 19T^{2} \)
23 \( 1 + 23T^{2} \)
29 \( 1 + 8T + 29T^{2} \)
31 \( 1 + 5.21T + 31T^{2} \)
37 \( 1 - 11.2T + 37T^{2} \)
41 \( 1 + 8T + 41T^{2} \)
43 \( 1 + 10.6T + 43T^{2} \)
47 \( 1 + 9.21T + 47T^{2} \)
53 \( 1 + 2T + 53T^{2} \)
59 \( 1 + 8T + 59T^{2} \)
61 \( 1 + 7.21T + 61T^{2} \)
67 \( 1 + 4T + 67T^{2} \)
71 \( 1 + 14.4T + 71T^{2} \)
73 \( 1 + 6.60T + 73T^{2} \)
79 \( 1 - 3.21T + 79T^{2} \)
83 \( 1 - 3.39T + 83T^{2} \)
89 \( 1 + 6T + 89T^{2} \)
97 \( 1 - 16.4T + 97T^{2} \)
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

−8.871310940855986168605964461869, −7.86516272920974114462482363779, −7.32646044243963158414398303659, −6.37428011716931618995064540840, −5.65626487790784522341557399974, −4.70771147374803911770920981402, −3.48267231180785381720246864589, −3.14549888582286074414369376069, −1.53599537243246885844567075786, 0, 1.53599537243246885844567075786, 3.14549888582286074414369376069, 3.48267231180785381720246864589, 4.70771147374803911770920981402, 5.65626487790784522341557399974, 6.37428011716931618995064540840, 7.32646044243963158414398303659, 7.86516272920974114462482363779, 8.871310940855986168605964461869

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