Properties

Label 2-648-8.3-c2-0-90
Degree $2$
Conductor $648$
Sign $-0.756 - 0.653i$
Analytic cond. $17.6567$
Root an. cond. $4.20199$
Motivic weight $2$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

Related objects

Downloads

Learn more

Normalization:  

Dirichlet series

L(s)  = 1  + (1.37 − 1.44i)2-s + (−0.193 − 3.99i)4-s − 5.95i·5-s + 4.72i·7-s + (−6.05 − 5.23i)8-s + (−8.62 − 8.21i)10-s − 13.8·11-s + 4.65i·13-s + (6.83 + 6.51i)14-s + (−15.9 + 1.54i)16-s − 21.5·17-s + 3.83·19-s + (−23.7 + 1.15i)20-s + (−19.1 + 20.1i)22-s − 34.6i·23-s + ⋯
L(s)  = 1  + (0.689 − 0.724i)2-s + (−0.0484 − 0.998i)4-s − 1.19i·5-s + 0.674i·7-s + (−0.756 − 0.653i)8-s + (−0.862 − 0.821i)10-s − 1.26·11-s + 0.358i·13-s + (0.488 + 0.465i)14-s + (−0.995 + 0.0966i)16-s − 1.26·17-s + 0.201·19-s + (−1.18 + 0.0576i)20-s + (−0.871 + 0.914i)22-s − 1.50i·23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 648 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.756 - 0.653i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 648 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (-0.756 - 0.653i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(648\)    =    \(2^{3} \cdot 3^{4}\)
Sign: $-0.756 - 0.653i$
Analytic conductor: \(17.6567\)
Root analytic conductor: \(4.20199\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{648} (163, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 648,\ (\ :1),\ -0.756 - 0.653i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(1.030082447\)
\(L(\frac12)\) \(\approx\) \(1.030082447\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (-1.37 + 1.44i)T \)
3 \( 1 \)
good5 \( 1 + 5.95iT - 25T^{2} \)
7 \( 1 - 4.72iT - 49T^{2} \)
11 \( 1 + 13.8T + 121T^{2} \)
13 \( 1 - 4.65iT - 169T^{2} \)
17 \( 1 + 21.5T + 289T^{2} \)
19 \( 1 - 3.83T + 361T^{2} \)
23 \( 1 + 34.6iT - 529T^{2} \)
29 \( 1 - 45.4iT - 841T^{2} \)
31 \( 1 + 36.8iT - 961T^{2} \)
37 \( 1 - 36.0iT - 1.36e3T^{2} \)
41 \( 1 + 20.4T + 1.68e3T^{2} \)
43 \( 1 + 7.01T + 1.84e3T^{2} \)
47 \( 1 + 61.3iT - 2.20e3T^{2} \)
53 \( 1 + 58.7iT - 2.80e3T^{2} \)
59 \( 1 - 22.0T + 3.48e3T^{2} \)
61 \( 1 - 54.3iT - 3.72e3T^{2} \)
67 \( 1 + 113.T + 4.48e3T^{2} \)
71 \( 1 + 8.30iT - 5.04e3T^{2} \)
73 \( 1 + 114.T + 5.32e3T^{2} \)
79 \( 1 + 54.8iT - 6.24e3T^{2} \)
83 \( 1 - 31.2T + 6.88e3T^{2} \)
89 \( 1 + 47.7T + 7.92e3T^{2} \)
97 \( 1 - 57.5T + 9.40e3T^{2} \)
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

−9.988134472191662183248045649793, −8.842371102146866601278482786157, −8.552235358228709284045743918793, −6.95552036103648439771546363099, −5.81906820961327906004623815878, −4.98222247899793612869074813473, −4.40516350411355285481826162552, −2.87181075514755461904536756191, −1.86605762524461291564079811399, −0.27298827118785760326654385948, 2.47813224559795858905033266484, 3.36373099261058963996760008269, 4.45691104360995671215002387614, 5.55582958843844192515417800857, 6.45722596213115391176679712926, 7.39129106242844471359680368996, 7.74834084295791675699860765611, 9.001699264429971388353943785197, 10.23158122018957793460751424619, 10.90396140908852305174329715494

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