Properties

Label 2-21e2-441.131-c1-0-52
Degree $2$
Conductor $441$
Sign $-0.607 - 0.794i$
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  + (−0.388 − 0.309i)2-s + (0.252 − 1.71i)3-s + (−0.390 − 1.70i)4-s + (0.146 + 1.95i)5-s + (−0.629 + 0.587i)6-s + (−2.18 + 1.49i)7-s + (−0.809 + 1.68i)8-s + (−2.87 − 0.865i)9-s + (0.549 − 0.806i)10-s + (−1.46 + 0.575i)11-s + (−3.02 + 0.236i)12-s + (−5.93 + 2.33i)13-s + (1.31 + 0.0975i)14-s + (3.39 + 0.243i)15-s + (−2.32 + 1.11i)16-s + (3.85 − 1.18i)17-s + ⋯
L(s)  = 1  + (−0.274 − 0.219i)2-s + (0.145 − 0.989i)3-s + (−0.195 − 0.854i)4-s + (0.0656 + 0.876i)5-s + (−0.256 + 0.239i)6-s + (−0.825 + 0.563i)7-s + (−0.286 + 0.594i)8-s + (−0.957 − 0.288i)9-s + (0.173 − 0.255i)10-s + (−0.442 + 0.173i)11-s + (−0.873 + 0.0683i)12-s + (−1.64 + 0.646i)13-s + (0.350 + 0.0260i)14-s + (0.876 + 0.0628i)15-s + (−0.580 + 0.279i)16-s + (0.935 − 0.288i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.607 - 0.794i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.607 - 0.794i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(441\)    =    \(3^{2} \cdot 7^{2}\)
Sign: $-0.607 - 0.794i$
Analytic conductor: \(3.52140\)
Root analytic conductor: \(1.87654\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{441} (131, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 441,\ (\ :1/2),\ -0.607 - 0.794i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.0252367 + 0.0510326i\)
\(L(\frac12)\) \(\approx\) \(0.0252367 + 0.0510326i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + (-0.252 + 1.71i)T \)
7 \( 1 + (2.18 - 1.49i)T \)
good2 \( 1 + (0.388 + 0.309i)T + (0.445 + 1.94i)T^{2} \)
5 \( 1 + (-0.146 - 1.95i)T + (-4.94 + 0.745i)T^{2} \)
11 \( 1 + (1.46 - 0.575i)T + (8.06 - 7.48i)T^{2} \)
13 \( 1 + (5.93 - 2.33i)T + (9.52 - 8.84i)T^{2} \)
17 \( 1 + (-3.85 + 1.18i)T + (14.0 - 9.57i)T^{2} \)
19 \( 1 + (3.00 + 1.73i)T + (9.5 + 16.4i)T^{2} \)
23 \( 1 + (4.83 + 5.20i)T + (-1.71 + 22.9i)T^{2} \)
29 \( 1 + (0.915 + 2.96i)T + (-23.9 + 16.3i)T^{2} \)
31 \( 1 - 2.10iT - 31T^{2} \)
37 \( 1 + (-5.36 - 4.98i)T + (2.76 + 36.8i)T^{2} \)
41 \( 1 + (-2.05 + 1.40i)T + (14.9 - 38.1i)T^{2} \)
43 \( 1 + (4.55 + 3.10i)T + (15.7 + 40.0i)T^{2} \)
47 \( 1 + (2.93 - 3.68i)T + (-10.4 - 45.8i)T^{2} \)
53 \( 1 + (4.89 + 5.27i)T + (-3.96 + 52.8i)T^{2} \)
59 \( 1 + (-1.16 + 0.561i)T + (36.7 - 46.1i)T^{2} \)
61 \( 1 + (3.49 + 0.797i)T + (54.9 + 26.4i)T^{2} \)
67 \( 1 + 13.1T + 67T^{2} \)
71 \( 1 + (-8.98 + 2.04i)T + (63.9 - 30.8i)T^{2} \)
73 \( 1 + (3.59 + 1.41i)T + (53.5 + 49.6i)T^{2} \)
79 \( 1 + 12.4T + 79T^{2} \)
83 \( 1 + (0.693 - 1.76i)T + (-60.8 - 56.4i)T^{2} \)
89 \( 1 + (-12.3 + 1.85i)T + (85.0 - 26.2i)T^{2} \)
97 \( 1 + (-2.27 + 1.31i)T + (48.5 - 84.0i)T^{2} \)
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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

−10.32958513562953401948106503981, −9.788548692835665735730189288969, −8.839843773783449554510107174083, −7.68562476995885541199821995286, −6.67693705059668622173903912452, −6.10957742432177638947959300264, −4.88910496538794565567867459769, −2.83561816409914661814348421610, −2.16940552047255744329238953722, −0.03525408656550642778161961261, 2.88905450354606677747470123116, 3.86464426345751765099356187034, 4.84817419354109036021781514226, 5.91147463952753813732874151146, 7.50848641306238606700616587305, 8.044851478124288727157522901110, 9.142268047016288639341336457106, 9.776708158374339983744330816926, 10.41901681972866282419441480715, 11.81499538855908279838403312259

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