Properties

Label 2-644-161.100-c1-0-7
Degree $2$
Conductor $644$
Sign $0.561 + 0.827i$
Analytic cond. $5.14236$
Root an. cond. $2.26767$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

Related objects

Downloads

Learn more

Normalization:  

Dirichlet series

L(s)  = 1  + (−1.30 + 1.83i)3-s + (−3.28 + 0.632i)5-s + (−2.64 − 0.0411i)7-s + (−0.672 − 1.94i)9-s + (0.952 − 0.748i)11-s + (−1.12 + 0.720i)13-s + (3.12 − 6.83i)15-s + (1.56 + 1.49i)17-s + (1.11 − 1.06i)19-s + (3.52 − 4.79i)21-s + (2.24 − 4.23i)23-s + (5.72 − 2.29i)25-s + (−2.03 − 0.598i)27-s + (1.76 − 0.519i)29-s + (−1.02 + 0.0983i)31-s + ⋯
L(s)  = 1  + (−0.752 + 1.05i)3-s + (−1.46 + 0.282i)5-s + (−0.999 − 0.0155i)7-s + (−0.224 − 0.647i)9-s + (0.287 − 0.225i)11-s + (−0.311 + 0.199i)13-s + (0.805 − 1.76i)15-s + (0.380 + 0.363i)17-s + (0.256 − 0.244i)19-s + (0.769 − 1.04i)21-s + (0.468 − 0.883i)23-s + (1.14 − 0.458i)25-s + (−0.392 − 0.115i)27-s + (0.328 − 0.0965i)29-s + (−0.184 + 0.0176i)31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 644 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.561 + 0.827i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 644 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.561 + 0.827i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(644\)    =    \(2^{2} \cdot 7 \cdot 23\)
Sign: $0.561 + 0.827i$
Analytic conductor: \(5.14236\)
Root analytic conductor: \(2.26767\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{644} (261, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 644,\ (\ :1/2),\ 0.561 + 0.827i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.260591 - 0.138094i\)
\(L(\frac12)\) \(\approx\) \(0.260591 - 0.138094i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
7 \( 1 + (2.64 + 0.0411i)T \)
23 \( 1 + (-2.24 + 4.23i)T \)
good3 \( 1 + (1.30 - 1.83i)T + (-0.981 - 2.83i)T^{2} \)
5 \( 1 + (3.28 - 0.632i)T + (4.64 - 1.85i)T^{2} \)
11 \( 1 + (-0.952 + 0.748i)T + (2.59 - 10.6i)T^{2} \)
13 \( 1 + (1.12 - 0.720i)T + (5.40 - 11.8i)T^{2} \)
17 \( 1 + (-1.56 - 1.49i)T + (0.808 + 16.9i)T^{2} \)
19 \( 1 + (-1.11 + 1.06i)T + (0.904 - 18.9i)T^{2} \)
29 \( 1 + (-1.76 + 0.519i)T + (24.3 - 15.6i)T^{2} \)
31 \( 1 + (1.02 - 0.0983i)T + (30.4 - 5.86i)T^{2} \)
37 \( 1 + (1.24 + 3.60i)T + (-29.0 + 22.8i)T^{2} \)
41 \( 1 + (-4.84 - 5.59i)T + (-5.83 + 40.5i)T^{2} \)
43 \( 1 + (1.83 + 4.00i)T + (-28.1 + 32.4i)T^{2} \)
47 \( 1 + (-4.27 + 7.40i)T + (-23.5 - 40.7i)T^{2} \)
53 \( 1 + (0.387 - 8.13i)T + (-52.7 - 5.03i)T^{2} \)
59 \( 1 + (6.78 + 3.49i)T + (34.2 + 48.0i)T^{2} \)
61 \( 1 + (6.10 + 8.57i)T + (-19.9 + 57.6i)T^{2} \)
67 \( 1 + (7.64 - 3.05i)T + (48.4 - 46.2i)T^{2} \)
71 \( 1 + (-1.93 + 13.4i)T + (-68.1 - 20.0i)T^{2} \)
73 \( 1 + (-0.531 - 2.19i)T + (-64.8 + 33.4i)T^{2} \)
79 \( 1 + (0.351 + 7.37i)T + (-78.6 + 7.50i)T^{2} \)
83 \( 1 + (10.4 - 12.1i)T + (-11.8 - 82.1i)T^{2} \)
89 \( 1 + (-3.61 - 0.345i)T + (87.3 + 16.8i)T^{2} \)
97 \( 1 + (11.1 + 12.8i)T + (-13.8 + 96.0i)T^{2} \)
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

−10.61719320638486765372985615461, −9.709159113518046731049735570684, −8.854990762214518231946018585977, −7.72369833695689351875469862369, −6.83583070055723921985730935341, −5.85709354611425825422104155064, −4.66385107593573604253078941258, −3.93213134610465823465762242458, −3.06263960185681505708193584362, −0.21700711040539659695904713397, 1.07405776773550922173861971235, 3.05353275393328416047150776932, 4.10840733952153482100189821992, 5.37943935284120331130198116028, 6.38135250741581445144491842191, 7.30782998227560794369673544265, 7.64992472373915974925427184976, 8.884739397134682834158895478945, 9.834266197719783188164670408101, 11.00878590607320986733101385145

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