Properties

Label 2-21e2-49.9-c1-0-6
Degree $2$
Conductor $441$
Sign $-0.682 - 0.730i$
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  + (1.73 + 1.60i)2-s + (0.267 + 3.57i)4-s + (0.567 + 1.44i)5-s + (−2.62 + 0.356i)7-s + (−2.32 + 2.91i)8-s + (−1.34 + 3.41i)10-s + (0.663 − 0.204i)11-s + (−0.928 + 4.06i)13-s + (−5.11 − 3.59i)14-s + (−1.64 + 0.247i)16-s + (0.659 + 0.449i)17-s + (1.05 − 1.82i)19-s + (−5.01 + 2.41i)20-s + (1.47 + 0.711i)22-s + (4.52 − 3.08i)23-s + ⋯
L(s)  = 1  + (1.22 + 1.13i)2-s + (0.133 + 1.78i)4-s + (0.253 + 0.647i)5-s + (−0.990 + 0.134i)7-s + (−0.823 + 1.03i)8-s + (−0.424 + 1.08i)10-s + (0.200 − 0.0616i)11-s + (−0.257 + 1.12i)13-s + (−1.36 − 0.960i)14-s + (−0.410 + 0.0618i)16-s + (0.159 + 0.109i)17-s + (0.241 − 0.418i)19-s + (−1.12 + 0.540i)20-s + (0.314 + 0.151i)22-s + (0.944 − 0.643i)23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.682 - 0.730i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.682 - 0.730i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(441\)    =    \(3^{2} \cdot 7^{2}\)
Sign: $-0.682 - 0.730i$
Analytic conductor: \(3.52140\)
Root analytic conductor: \(1.87654\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{441} (352, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 441,\ (\ :1/2),\ -0.682 - 0.730i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.984118 + 2.26564i\)
\(L(\frac12)\) \(\approx\) \(0.984118 + 2.26564i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
7 \( 1 + (2.62 - 0.356i)T \)
good2 \( 1 + (-1.73 - 1.60i)T + (0.149 + 1.99i)T^{2} \)
5 \( 1 + (-0.567 - 1.44i)T + (-3.66 + 3.40i)T^{2} \)
11 \( 1 + (-0.663 + 0.204i)T + (9.08 - 6.19i)T^{2} \)
13 \( 1 + (0.928 - 4.06i)T + (-11.7 - 5.64i)T^{2} \)
17 \( 1 + (-0.659 - 0.449i)T + (6.21 + 15.8i)T^{2} \)
19 \( 1 + (-1.05 + 1.82i)T + (-9.5 - 16.4i)T^{2} \)
23 \( 1 + (-4.52 + 3.08i)T + (8.40 - 21.4i)T^{2} \)
29 \( 1 + (0.0358 - 0.0172i)T + (18.0 - 22.6i)T^{2} \)
31 \( 1 + (-1.21 - 2.10i)T + (-15.5 + 26.8i)T^{2} \)
37 \( 1 + (-0.720 + 9.60i)T + (-36.5 - 5.51i)T^{2} \)
41 \( 1 + (2.97 - 3.73i)T + (-9.12 - 39.9i)T^{2} \)
43 \( 1 + (4.04 + 5.07i)T + (-9.56 + 41.9i)T^{2} \)
47 \( 1 + (4.10 + 3.81i)T + (3.51 + 46.8i)T^{2} \)
53 \( 1 + (-0.686 - 9.15i)T + (-52.4 + 7.89i)T^{2} \)
59 \( 1 + (-3.92 + 10.0i)T + (-43.2 - 40.1i)T^{2} \)
61 \( 1 + (0.356 - 4.75i)T + (-60.3 - 9.09i)T^{2} \)
67 \( 1 + (-3.95 - 6.85i)T + (-33.5 + 58.0i)T^{2} \)
71 \( 1 + (-3.10 - 1.49i)T + (44.2 + 55.5i)T^{2} \)
73 \( 1 + (1.84 - 1.71i)T + (5.45 - 72.7i)T^{2} \)
79 \( 1 + (-5.31 + 9.20i)T + (-39.5 - 68.4i)T^{2} \)
83 \( 1 + (2.05 + 9.01i)T + (-74.7 + 36.0i)T^{2} \)
89 \( 1 + (-0.0252 - 0.00779i)T + (73.5 + 50.1i)T^{2} \)
97 \( 1 + 11.7T + 97T^{2} \)
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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

−11.79745566689470758031041659195, −10.61365442151745786633404115758, −9.539452315894267362112649455063, −8.559387122654582576128459644270, −7.07894186184451323715118823239, −6.80511727388897865876390880774, −5.93587431264971508379444333103, −4.84095925668697448267081165246, −3.74316734568209079019996793797, −2.70056365134293051764751639685, 1.19193282233571685511181519117, 2.84557578097585457254758982674, 3.60656737041409539388311629266, 4.91420098726580002933176284918, 5.57425549261905244650068115127, 6.70508352933001038545065888215, 8.125938966857046327785211544494, 9.497078777040244556122754629973, 10.01641846926878876154358488283, 10.97205813885133372590825211708

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