Properties

Label 2-21e2-441.106-c1-0-32
Degree $2$
Conductor $441$
Sign $0.929 - 0.369i$
Analytic cond. $3.52140$
Root an. cond. $1.87654$
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  + (1.46 − 0.220i)2-s + (1.61 + 0.630i)3-s + (0.174 − 0.0538i)4-s + (−0.764 − 0.520i)5-s + (2.49 + 0.565i)6-s + (1.69 + 2.02i)7-s + (−2.41 + 1.16i)8-s + (2.20 + 2.03i)9-s + (−1.23 − 0.592i)10-s + (2.99 − 0.452i)11-s + (0.315 + 0.0231i)12-s + (1.91 − 4.87i)13-s + (2.92 + 2.58i)14-s + (−0.904 − 1.32i)15-s + (−3.57 + 2.44i)16-s + (0.918 + 4.02i)17-s + ⋯
L(s)  = 1  + (1.03 − 0.155i)2-s + (0.931 + 0.364i)3-s + (0.0872 − 0.0269i)4-s + (−0.341 − 0.232i)5-s + (1.01 + 0.231i)6-s + (0.642 + 0.766i)7-s + (−0.855 + 0.411i)8-s + (0.734 + 0.678i)9-s + (−0.389 − 0.187i)10-s + (0.904 − 0.136i)11-s + (0.0910 + 0.00669i)12-s + (0.530 − 1.35i)13-s + (0.782 + 0.691i)14-s + (−0.233 − 0.341i)15-s + (−0.894 + 0.610i)16-s + (0.222 + 0.976i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.929 - 0.369i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.929 - 0.369i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(441\)    =    \(3^{2} \cdot 7^{2}\)
Sign: $0.929 - 0.369i$
Analytic conductor: \(3.52140\)
Root analytic conductor: \(1.87654\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{441} (106, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 441,\ (\ :1/2),\ 0.929 - 0.369i)\)

Particular Values

\(L(1)\) \(\approx\) \(2.80157 + 0.536893i\)
\(L(\frac12)\) \(\approx\) \(2.80157 + 0.536893i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + (-1.61 - 0.630i)T \)
7 \( 1 + (-1.69 - 2.02i)T \)
good2 \( 1 + (-1.46 + 0.220i)T + (1.91 - 0.589i)T^{2} \)
5 \( 1 + (0.764 + 0.520i)T + (1.82 + 4.65i)T^{2} \)
11 \( 1 + (-2.99 + 0.452i)T + (10.5 - 3.24i)T^{2} \)
13 \( 1 + (-1.91 + 4.87i)T + (-9.52 - 8.84i)T^{2} \)
17 \( 1 + (-0.918 - 4.02i)T + (-15.3 + 7.37i)T^{2} \)
19 \( 1 - 0.0896T + 19T^{2} \)
23 \( 1 + (3.67 - 1.13i)T + (19.0 - 12.9i)T^{2} \)
29 \( 1 + (1.76 + 0.544i)T + (23.9 + 16.3i)T^{2} \)
31 \( 1 + (3.48 + 6.04i)T + (-15.5 + 26.8i)T^{2} \)
37 \( 1 + (1.83 + 8.01i)T + (-33.3 + 16.0i)T^{2} \)
41 \( 1 + (7.22 + 4.92i)T + (14.9 + 38.1i)T^{2} \)
43 \( 1 + (9.44 - 6.44i)T + (15.7 - 40.0i)T^{2} \)
47 \( 1 + (-3.21 + 0.484i)T + (44.9 - 13.8i)T^{2} \)
53 \( 1 + (-0.412 + 1.80i)T + (-47.7 - 22.9i)T^{2} \)
59 \( 1 + (-0.684 - 9.13i)T + (-58.3 + 8.79i)T^{2} \)
61 \( 1 + (-11.2 - 3.47i)T + (50.4 + 34.3i)T^{2} \)
67 \( 1 + (5.46 + 9.45i)T + (-33.5 + 58.0i)T^{2} \)
71 \( 1 + (-0.631 + 2.76i)T + (-63.9 - 30.8i)T^{2} \)
73 \( 1 + (-6.80 + 8.53i)T + (-16.2 - 71.1i)T^{2} \)
79 \( 1 + (1.75 - 3.04i)T + (-39.5 - 68.4i)T^{2} \)
83 \( 1 + (-4.37 - 11.1i)T + (-60.8 + 56.4i)T^{2} \)
89 \( 1 + (0.598 - 0.750i)T + (-19.8 - 86.7i)T^{2} \)
97 \( 1 + (-7.64 + 13.2i)T + (-48.5 - 84.0i)T^{2} \)
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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

−11.42796863891638889295085906371, −10.32494772638003536111226222417, −9.159399898367652415926786575448, −8.438975458650229810902354231582, −7.85548719347444103430472145425, −6.07519040336283162438579605040, −5.24901912563826090178642682768, −4.06395056881569236852754108167, −3.48898978851842121996529153929, −2.08832528245491545912502034249, 1.61105257541142857950961050557, 3.42329285056652933008403536006, 4.01872049141278664315562380935, 5.01050401405225169941078602617, 6.66830092221722856341875658336, 7.02871002112326084385886676769, 8.325373400810553132924836576788, 9.152200071998304099156857052236, 10.02513257078234421784534548674, 11.58915404408833081668505362900

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