Properties

Label 2-21e2-441.437-c1-0-29
Degree $2$
Conductor $441$
Sign $0.775 - 0.631i$
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  + (2.60 + 0.195i)2-s + (−1.58 − 0.691i)3-s + (4.75 + 0.716i)4-s + (−0.564 + 2.47i)5-s + (−3.99 − 2.10i)6-s + (1.46 + 2.20i)7-s + (7.14 + 1.63i)8-s + (2.04 + 2.19i)9-s + (−1.95 + 6.33i)10-s + (−0.836 − 1.73i)11-s + (−7.05 − 4.42i)12-s + (−6.25 − 0.468i)13-s + (3.37 + 6.02i)14-s + (2.60 − 3.54i)15-s + (9.09 + 2.80i)16-s + (4.89 − 0.737i)17-s + ⋯
L(s)  = 1  + (1.84 + 0.137i)2-s + (−0.916 − 0.399i)3-s + (2.37 + 0.358i)4-s + (−0.252 + 1.10i)5-s + (−1.63 − 0.860i)6-s + (0.552 + 0.833i)7-s + (2.52 + 0.576i)8-s + (0.681 + 0.731i)9-s + (−0.617 + 2.00i)10-s + (−0.252 − 0.523i)11-s + (−2.03 − 1.27i)12-s + (−1.73 − 0.130i)13-s + (0.901 + 1.61i)14-s + (0.673 − 0.914i)15-s + (2.27 + 0.701i)16-s + (1.18 − 0.178i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.775 - 0.631i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.775 - 0.631i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(441\)    =    \(3^{2} \cdot 7^{2}\)
Sign: $0.775 - 0.631i$
Analytic conductor: \(3.52140\)
Root analytic conductor: \(1.87654\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{441} (437, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 441,\ (\ :1/2),\ 0.775 - 0.631i)\)

Particular Values

\(L(1)\) \(\approx\) \(2.87366 + 1.02254i\)
\(L(\frac12)\) \(\approx\) \(2.87366 + 1.02254i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + (1.58 + 0.691i)T \)
7 \( 1 + (-1.46 - 2.20i)T \)
good2 \( 1 + (-2.60 - 0.195i)T + (1.97 + 0.298i)T^{2} \)
5 \( 1 + (0.564 - 2.47i)T + (-4.50 - 2.16i)T^{2} \)
11 \( 1 + (0.836 + 1.73i)T + (-6.85 + 8.60i)T^{2} \)
13 \( 1 + (6.25 + 0.468i)T + (12.8 + 1.93i)T^{2} \)
17 \( 1 + (-4.89 + 0.737i)T + (16.2 - 5.01i)T^{2} \)
19 \( 1 + (-6.22 + 3.59i)T + (9.5 - 16.4i)T^{2} \)
23 \( 1 + (2.42 + 1.93i)T + (5.11 + 22.4i)T^{2} \)
29 \( 1 + (4.50 + 1.76i)T + (21.2 + 19.7i)T^{2} \)
31 \( 1 + (-1.58 + 0.912i)T + (15.5 - 26.8i)T^{2} \)
37 \( 1 + (-0.637 + 1.62i)T + (-27.1 - 25.1i)T^{2} \)
41 \( 1 + (5.19 + 4.82i)T + (3.06 + 40.8i)T^{2} \)
43 \( 1 + (-2.51 + 2.33i)T + (3.21 - 42.8i)T^{2} \)
47 \( 1 + (0.676 - 9.02i)T + (-46.4 - 7.00i)T^{2} \)
53 \( 1 + (2.80 - 1.10i)T + (38.8 - 36.0i)T^{2} \)
59 \( 1 + (1.03 - 0.960i)T + (4.40 - 58.8i)T^{2} \)
61 \( 1 + (1.94 + 12.9i)T + (-58.2 + 17.9i)T^{2} \)
67 \( 1 + (-1.52 - 2.64i)T + (-33.5 + 58.0i)T^{2} \)
71 \( 1 + (9.12 + 7.27i)T + (15.7 + 69.2i)T^{2} \)
73 \( 1 + (-3.85 - 5.65i)T + (-26.6 + 67.9i)T^{2} \)
79 \( 1 + (2.00 - 3.46i)T + (-39.5 - 68.4i)T^{2} \)
83 \( 1 + (-0.241 - 3.22i)T + (-82.0 + 12.3i)T^{2} \)
89 \( 1 + (0.423 + 5.64i)T + (-88.0 + 13.2i)T^{2} \)
97 \( 1 + (-2.32 + 1.33i)T + (48.5 - 84.0i)T^{2} \)
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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

−11.54685827617927973059837801589, −10.95426867675387070359723332975, −9.865590480588531746825980999651, −7.60758675394527378925031428469, −7.35264405734219141836780298001, −6.18936550490078928152650347797, −5.40137856091978624579077105840, −4.79611730384126262953790084267, −3.20194563308757249087752182017, −2.32423754796252648324033649974, 1.46951496537667571783106854504, 3.48420815643836552053074988496, 4.51639755359090715058119032964, 5.03856672580131909860136786338, 5.66808638388906206847110097694, 7.14074308645164943215636410491, 7.71511179504434664303665223354, 9.777885639104762577196247796218, 10.31454641055224538397686183483, 11.63345566019766838520065794942

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