Properties

Label 2-644-161.123-c1-0-0
Degree $2$
Conductor $644$
Sign $-0.797 + 0.603i$
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

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Normalization:  

Dirichlet series

L(s)  = 1  + (−1.17 − 0.111i)3-s + (−1.36 + 3.95i)5-s + (−0.966 + 2.46i)7-s + (−1.58 − 0.306i)9-s + (0.444 + 0.178i)11-s + (1.11 − 0.713i)13-s + (2.04 − 4.47i)15-s + (0.0590 − 0.243i)17-s + (−1.97 − 8.12i)19-s + (1.40 − 2.77i)21-s + (−0.234 − 4.79i)23-s + (−9.81 − 7.71i)25-s + (5.20 + 1.52i)27-s + (−8.65 + 2.54i)29-s + (5.37 + 7.55i)31-s + ⋯
L(s)  = 1  + (−0.675 − 0.0645i)3-s + (−0.611 + 1.76i)5-s + (−0.365 + 0.930i)7-s + (−0.529 − 0.102i)9-s + (0.134 + 0.0536i)11-s + (0.307 − 0.197i)13-s + (0.527 − 1.15i)15-s + (0.0143 − 0.0589i)17-s + (−0.452 − 1.86i)19-s + (0.306 − 0.605i)21-s + (−0.0489 − 0.998i)23-s + (−1.96 − 1.54i)25-s + (1.00 + 0.294i)27-s + (−1.60 + 0.471i)29-s + (0.966 + 1.35i)31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 644 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.797 + 0.603i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 644 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.797 + 0.603i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(644\)    =    \(2^{2} \cdot 7 \cdot 23\)
Sign: $-0.797 + 0.603i$
Analytic conductor: \(5.14236\)
Root analytic conductor: \(2.26767\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{644} (445, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 644,\ (\ :1/2),\ -0.797 + 0.603i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.0568846 - 0.169347i\)
\(L(\frac12)\) \(\approx\) \(0.0568846 - 0.169347i\)
\(L(\frac{3}{2})\) 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 \( 1 + (0.966 - 2.46i)T \)
23 \( 1 + (0.234 + 4.79i)T \)
good3 \( 1 + (1.17 + 0.111i)T + (2.94 + 0.567i)T^{2} \)
5 \( 1 + (1.36 - 3.95i)T + (-3.93 - 3.09i)T^{2} \)
11 \( 1 + (-0.444 - 0.178i)T + (7.96 + 7.59i)T^{2} \)
13 \( 1 + (-1.11 + 0.713i)T + (5.40 - 11.8i)T^{2} \)
17 \( 1 + (-0.0590 + 0.243i)T + (-15.1 - 7.78i)T^{2} \)
19 \( 1 + (1.97 + 8.12i)T + (-16.8 + 8.70i)T^{2} \)
29 \( 1 + (8.65 - 2.54i)T + (24.3 - 15.6i)T^{2} \)
31 \( 1 + (-5.37 - 7.55i)T + (-10.1 + 29.2i)T^{2} \)
37 \( 1 + (-3.38 - 0.653i)T + (34.3 + 13.7i)T^{2} \)
41 \( 1 + (-2.55 - 2.95i)T + (-5.83 + 40.5i)T^{2} \)
43 \( 1 + (1.31 + 2.86i)T + (-28.1 + 32.4i)T^{2} \)
47 \( 1 + (-1.20 - 2.08i)T + (-23.5 + 40.7i)T^{2} \)
53 \( 1 + (6.28 - 3.24i)T + (30.7 - 43.1i)T^{2} \)
59 \( 1 + (-0.366 - 7.69i)T + (-58.7 + 5.60i)T^{2} \)
61 \( 1 + (12.0 - 1.14i)T + (59.8 - 11.5i)T^{2} \)
67 \( 1 + (9.16 + 7.20i)T + (15.7 + 65.1i)T^{2} \)
71 \( 1 + (-1.26 + 8.81i)T + (-68.1 - 20.0i)T^{2} \)
73 \( 1 + (-1.36 + 1.30i)T + (3.47 - 72.9i)T^{2} \)
79 \( 1 + (-0.832 - 0.428i)T + (45.8 + 64.3i)T^{2} \)
83 \( 1 + (1.40 - 1.62i)T + (-11.8 - 82.1i)T^{2} \)
89 \( 1 + (2.51 - 3.53i)T + (-29.1 - 84.1i)T^{2} \)
97 \( 1 + (11.2 + 12.9i)T + (-13.8 + 96.0i)T^{2} \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−10.91257642297138113360550607812, −10.72904940213339691510311257685, −9.363815731954206680567174009773, −8.500278428074118208047699421841, −7.31385330608191009114610267069, −6.51198885482979329354085832510, −6.02058074757354153838606002743, −4.70921212830919264218889702613, −3.20393371923938140093852392238, −2.61270599724422607542659210605, 0.10789873456697812675966125142, 1.43382408908734368526486962727, 3.75520554695331912838325973331, 4.34943140727104489955076157190, 5.51325738788856833178360193845, 6.14011864900866935642115797737, 7.69344260748630428378627119737, 8.143772780415425604743708443789, 9.231398023503965317612777220320, 9.959260217676909706637350587933

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