Properties

Label 2-644-161.10-c1-0-1
Degree $2$
Conductor $644$
Sign $0.901 - 0.433i$
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  + (−1.39 − 2.71i)3-s + (−1.84 + 0.176i)5-s + (−1.47 + 2.19i)7-s + (−3.65 + 5.13i)9-s + (3.83 − 1.32i)11-s + (0.754 + 2.56i)13-s + (3.05 + 4.75i)15-s + (−2.87 − 1.15i)17-s + (−0.834 + 0.334i)19-s + (8.01 + 0.944i)21-s + (1.71 + 4.47i)23-s + (−1.53 + 0.295i)25-s + (9.96 + 1.43i)27-s + (0.0489 + 0.340i)29-s + (6.41 − 0.305i)31-s + ⋯
L(s)  = 1  + (−0.806 − 1.56i)3-s + (−0.825 + 0.0788i)5-s + (−0.559 + 0.829i)7-s + (−1.21 + 1.71i)9-s + (1.15 − 0.400i)11-s + (0.209 + 0.712i)13-s + (0.789 + 1.22i)15-s + (−0.696 − 0.278i)17-s + (−0.191 + 0.0766i)19-s + (1.74 + 0.206i)21-s + (0.357 + 0.933i)23-s + (−0.306 + 0.0591i)25-s + (1.91 + 0.275i)27-s + (0.00908 + 0.0631i)29-s + (1.15 − 0.0548i)31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 644 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.901 - 0.433i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 644 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.901 - 0.433i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(644\)    =    \(2^{2} \cdot 7 \cdot 23\)
Sign: $0.901 - 0.433i$
Analytic conductor: \(5.14236\)
Root analytic conductor: \(2.26767\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{644} (493, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 644,\ (\ :1/2),\ 0.901 - 0.433i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.634527 + 0.144544i\)
\(L(\frac12)\) \(\approx\) \(0.634527 + 0.144544i\)
\(L(\frac{3}{2})\) 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 \( 1 + (1.47 - 2.19i)T \)
23 \( 1 + (-1.71 - 4.47i)T \)
good3 \( 1 + (1.39 + 2.71i)T + (-1.74 + 2.44i)T^{2} \)
5 \( 1 + (1.84 - 0.176i)T + (4.90 - 0.946i)T^{2} \)
11 \( 1 + (-3.83 + 1.32i)T + (8.64 - 6.79i)T^{2} \)
13 \( 1 + (-0.754 - 2.56i)T + (-10.9 + 7.02i)T^{2} \)
17 \( 1 + (2.87 + 1.15i)T + (12.3 + 11.7i)T^{2} \)
19 \( 1 + (0.834 - 0.334i)T + (13.7 - 13.1i)T^{2} \)
29 \( 1 + (-0.0489 - 0.340i)T + (-27.8 + 8.17i)T^{2} \)
31 \( 1 + (-6.41 + 0.305i)T + (30.8 - 2.94i)T^{2} \)
37 \( 1 + (-8.89 - 6.33i)T + (12.1 + 34.9i)T^{2} \)
41 \( 1 + (-0.0451 - 0.0206i)T + (26.8 + 30.9i)T^{2} \)
43 \( 1 + (-0.464 + 0.723i)T + (-17.8 - 39.1i)T^{2} \)
47 \( 1 + (-0.203 + 0.117i)T + (23.5 - 40.7i)T^{2} \)
53 \( 1 + (3.25 + 3.41i)T + (-2.52 + 52.9i)T^{2} \)
59 \( 1 + (-5.56 - 1.34i)T + (52.4 + 27.0i)T^{2} \)
61 \( 1 + (6.26 + 3.22i)T + (35.3 + 49.6i)T^{2} \)
67 \( 1 + (-3.00 - 15.6i)T + (-62.2 + 24.9i)T^{2} \)
71 \( 1 + (-8.53 - 9.84i)T + (-10.1 + 70.2i)T^{2} \)
73 \( 1 + (5.86 - 7.45i)T + (-17.2 - 70.9i)T^{2} \)
79 \( 1 + (5.67 - 5.94i)T + (-3.75 - 78.9i)T^{2} \)
83 \( 1 + (-2.99 - 6.55i)T + (-54.3 + 62.7i)T^{2} \)
89 \( 1 + (-0.494 + 10.3i)T + (-88.5 - 8.45i)T^{2} \)
97 \( 1 + (6.46 - 14.1i)T + (-63.5 - 73.3i)T^{2} \)
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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

−11.27786894513930099029556597547, −9.644793319198749428925285840531, −8.671200240556918178126875482382, −7.889948753047218940065574331045, −6.77092620087728715575538966181, −6.47675778240610900072232383234, −5.48216326624050256068249580623, −4.05645471629953903827024329278, −2.59884862867145185779810424132, −1.20340514473649598198601780640, 0.45559593318939806051706517986, 3.25411410379488821730744839922, 4.25165344820241275543605870138, 4.48403015772882397739791750742, 5.98511035866834054702995740934, 6.69755652869349040385399461423, 7.963711448761497673638738460429, 9.087948209088169996384375616216, 9.741130769277763902373713676720, 10.63354227406590850265018566575

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