Properties

Label 2-21e2-441.121-c1-0-44
Degree $2$
Conductor $441$
Sign $0.881 + 0.473i$
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  + (0.919 − 0.442i)2-s + (1.70 − 0.278i)3-s + (−0.597 + 0.749i)4-s + (3.10 − 0.958i)5-s + (1.44 − 1.01i)6-s + (−2.22 − 1.43i)7-s + (−0.671 + 2.94i)8-s + (2.84 − 0.950i)9-s + (2.43 − 2.25i)10-s + (0.141 − 1.88i)11-s + (−0.813 + 1.44i)12-s + (0.173 − 2.31i)13-s + (−2.67 − 0.339i)14-s + (5.04 − 2.50i)15-s + (0.259 + 1.13i)16-s + (−1.50 + 3.84i)17-s + ⋯
L(s)  = 1  + (0.650 − 0.313i)2-s + (0.987 − 0.160i)3-s + (−0.298 + 0.374i)4-s + (1.38 − 0.428i)5-s + (0.591 − 0.413i)6-s + (−0.839 − 0.543i)7-s + (−0.237 + 1.04i)8-s + (0.948 − 0.316i)9-s + (0.769 − 0.713i)10-s + (0.0425 − 0.567i)11-s + (−0.234 + 0.417i)12-s + (0.0480 − 0.641i)13-s + (−0.715 − 0.0908i)14-s + (1.30 − 0.645i)15-s + (0.0647 + 0.283i)16-s + (−0.366 + 0.932i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.881 + 0.473i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.881 + 0.473i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(441\)    =    \(3^{2} \cdot 7^{2}\)
Sign: $0.881 + 0.473i$
Analytic conductor: \(3.52140\)
Root analytic conductor: \(1.87654\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{441} (121, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 441,\ (\ :1/2),\ 0.881 + 0.473i)\)

Particular Values

\(L(1)\) \(\approx\) \(2.62366 - 0.659729i\)
\(L(\frac12)\) \(\approx\) \(2.62366 - 0.659729i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + (-1.70 + 0.278i)T \)
7 \( 1 + (2.22 + 1.43i)T \)
good2 \( 1 + (-0.919 + 0.442i)T + (1.24 - 1.56i)T^{2} \)
5 \( 1 + (-3.10 + 0.958i)T + (4.13 - 2.81i)T^{2} \)
11 \( 1 + (-0.141 + 1.88i)T + (-10.8 - 1.63i)T^{2} \)
13 \( 1 + (-0.173 + 2.31i)T + (-12.8 - 1.93i)T^{2} \)
17 \( 1 + (1.50 - 3.84i)T + (-12.4 - 11.5i)T^{2} \)
19 \( 1 + (1.82 - 3.15i)T + (-9.5 - 16.4i)T^{2} \)
23 \( 1 + (-5.97 - 0.900i)T + (21.9 + 6.77i)T^{2} \)
29 \( 1 + (2.29 - 5.84i)T + (-21.2 - 19.7i)T^{2} \)
31 \( 1 + 9.28T + 31T^{2} \)
37 \( 1 + (-0.627 + 0.0946i)T + (35.3 - 10.9i)T^{2} \)
41 \( 1 + (3.50 + 3.25i)T + (3.06 + 40.8i)T^{2} \)
43 \( 1 + (-2.01 + 1.86i)T + (3.21 - 42.8i)T^{2} \)
47 \( 1 + (2.77 - 1.33i)T + (29.3 - 36.7i)T^{2} \)
53 \( 1 + (7.33 + 1.10i)T + (50.6 + 15.6i)T^{2} \)
59 \( 1 + (2.32 + 10.1i)T + (-53.1 + 25.5i)T^{2} \)
61 \( 1 + (-7.55 - 9.47i)T + (-13.5 + 59.4i)T^{2} \)
67 \( 1 - 0.379T + 67T^{2} \)
71 \( 1 + (1.84 - 2.31i)T + (-15.7 - 69.2i)T^{2} \)
73 \( 1 + (-0.302 - 4.03i)T + (-72.1 + 10.8i)T^{2} \)
79 \( 1 + 10.2T + 79T^{2} \)
83 \( 1 + (1.29 + 17.2i)T + (-82.0 + 12.3i)T^{2} \)
89 \( 1 + (-4.50 + 3.07i)T + (32.5 - 82.8i)T^{2} \)
97 \( 1 + (2.02 + 3.51i)T + (-48.5 + 84.0i)T^{2} \)
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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

−10.91805099089274193521180957737, −10.07724409528423202273884716631, −9.085902525146319381735138595361, −8.638834555096329215433699999647, −7.40931564252839944154801557996, −6.19037161994373742633610410751, −5.21988621690162254162680310435, −3.83008219245243632372916328902, −3.09229409257515611674445316180, −1.75707324844178613839006522159, 2.03374420934892922271362784789, 3.07217683519181341848771199874, 4.45351354204459166877725673454, 5.44803559333107861920238201559, 6.54344060992829388102617734805, 7.07548794640077197871953007557, 8.925375819264621946256703912383, 9.470591208373041870251995740283, 9.826720345618470414577526161212, 10.99595125534984008517463672689

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