Properties

Label 2-639-1.1-c1-0-21
Degree $2$
Conductor $639$
Sign $1$
Analytic cond. $5.10244$
Root an. cond. $2.25885$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

Related objects

Downloads

Learn more

Normalization:  

Dirichlet series

L(s)  = 1  + 2.61·2-s + 4.85·4-s + 1.38·5-s − 4.23·7-s + 7.47·8-s + 3.61·10-s + 1.76·11-s + 2.85·13-s − 11.0·14-s + 9.85·16-s + 4.23·17-s − 6.23·19-s + 6.70·20-s + 4.61·22-s + 4.85·23-s − 3.09·25-s + 7.47·26-s − 20.5·28-s − 9.32·29-s − 0.472·31-s + 10.8·32-s + 11.0·34-s − 5.85·35-s − 6.09·37-s − 16.3·38-s + 10.3·40-s + 7.38·41-s + ⋯
L(s)  = 1  + 1.85·2-s + 2.42·4-s + 0.618·5-s − 1.60·7-s + 2.64·8-s + 1.14·10-s + 0.531·11-s + 0.791·13-s − 2.96·14-s + 2.46·16-s + 1.02·17-s − 1.43·19-s + 1.49·20-s + 0.984·22-s + 1.01·23-s − 0.618·25-s + 1.46·26-s − 3.88·28-s − 1.73·29-s − 0.0847·31-s + 1.91·32-s + 1.90·34-s − 0.989·35-s − 1.00·37-s − 2.64·38-s + 1.63·40-s + 1.15·41-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 639 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 639 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(639\)    =    \(3^{2} \cdot 71\)
Sign: $1$
Analytic conductor: \(5.10244\)
Root analytic conductor: \(2.25885\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 639,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(4.333928097\)
\(L(\frac12)\) \(\approx\) \(4.333928097\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
71 \( 1 + T \)
good2 \( 1 - 2.61T + 2T^{2} \)
5 \( 1 - 1.38T + 5T^{2} \)
7 \( 1 + 4.23T + 7T^{2} \)
11 \( 1 - 1.76T + 11T^{2} \)
13 \( 1 - 2.85T + 13T^{2} \)
17 \( 1 - 4.23T + 17T^{2} \)
19 \( 1 + 6.23T + 19T^{2} \)
23 \( 1 - 4.85T + 23T^{2} \)
29 \( 1 + 9.32T + 29T^{2} \)
31 \( 1 + 0.472T + 31T^{2} \)
37 \( 1 + 6.09T + 37T^{2} \)
41 \( 1 - 7.38T + 41T^{2} \)
43 \( 1 + 10.8T + 43T^{2} \)
47 \( 1 + 4.14T + 47T^{2} \)
53 \( 1 + 3.38T + 53T^{2} \)
59 \( 1 + 13.1T + 59T^{2} \)
61 \( 1 - 5T + 61T^{2} \)
67 \( 1 - 9.79T + 67T^{2} \)
73 \( 1 - 3.23T + 73T^{2} \)
79 \( 1 + 1.38T + 79T^{2} \)
83 \( 1 - 8.23T + 83T^{2} \)
89 \( 1 - 11.4T + 89T^{2} \)
97 \( 1 - 10.3T + 97T^{2} \)
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

−10.81288353350062675684502972297, −9.935505011719344266310064308623, −8.991985429707588963801107464720, −7.42875850799259660731294530678, −6.34851534825656300412733144074, −6.17929430481680381305525766339, −5.12552713637516624106259395067, −3.76495652252405244172700511352, −3.30296231593470578555090815355, −1.94130245439865858405256863114, 1.94130245439865858405256863114, 3.30296231593470578555090815355, 3.76495652252405244172700511352, 5.12552713637516624106259395067, 6.17929430481680381305525766339, 6.34851534825656300412733144074, 7.42875850799259660731294530678, 8.991985429707588963801107464720, 9.935505011719344266310064308623, 10.81288353350062675684502972297

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