Properties

Label 2-21e2-441.151-c1-0-48
Degree $2$
Conductor $441$
Sign $-0.915 + 0.402i$
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  + (1.60 − 0.771i)2-s + (−0.884 + 1.48i)3-s + (0.722 − 0.905i)4-s + (−2.59 − 2.41i)5-s + (−0.267 + 3.06i)6-s + (−1.80 − 1.93i)7-s + (−0.332 + 1.45i)8-s + (−1.43 − 2.63i)9-s + (−6.02 − 1.85i)10-s + (−1.22 − 0.835i)11-s + (0.710 + 1.87i)12-s + (−1.91 − 1.30i)13-s + (−4.38 − 1.70i)14-s + (5.88 − 1.73i)15-s + (1.10 + 4.85i)16-s + (0.421 − 0.0635i)17-s + ⋯
L(s)  = 1  + (1.13 − 0.545i)2-s + (−0.510 + 0.859i)3-s + (0.361 − 0.452i)4-s + (−1.16 − 1.07i)5-s + (−0.109 + 1.25i)6-s + (−0.681 − 0.731i)7-s + (−0.117 + 0.515i)8-s + (−0.478 − 0.877i)9-s + (−1.90 − 0.587i)10-s + (−0.369 − 0.251i)11-s + (0.204 + 0.541i)12-s + (−0.530 − 0.361i)13-s + (−1.17 − 0.456i)14-s + (1.52 − 0.448i)15-s + (0.276 + 1.21i)16-s + (0.102 − 0.0154i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.915 + 0.402i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.915 + 0.402i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(441\)    =    \(3^{2} \cdot 7^{2}\)
Sign: $-0.915 + 0.402i$
Analytic conductor: \(3.52140\)
Root analytic conductor: \(1.87654\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{441} (151, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 441,\ (\ :1/2),\ -0.915 + 0.402i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.137361 - 0.653864i\)
\(L(\frac12)\) \(\approx\) \(0.137361 - 0.653864i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + (0.884 - 1.48i)T \)
7 \( 1 + (1.80 + 1.93i)T \)
good2 \( 1 + (-1.60 + 0.771i)T + (1.24 - 1.56i)T^{2} \)
5 \( 1 + (2.59 + 2.41i)T + (0.373 + 4.98i)T^{2} \)
11 \( 1 + (1.22 + 0.835i)T + (4.01 + 10.2i)T^{2} \)
13 \( 1 + (1.91 + 1.30i)T + (4.74 + 12.1i)T^{2} \)
17 \( 1 + (-0.421 + 0.0635i)T + (16.2 - 5.01i)T^{2} \)
19 \( 1 + (2.91 + 5.04i)T + (-9.5 + 16.4i)T^{2} \)
23 \( 1 + (-0.675 - 1.72i)T + (-16.8 + 15.6i)T^{2} \)
29 \( 1 + (-8.25 + 1.24i)T + (27.7 - 8.54i)T^{2} \)
31 \( 1 + 7.64T + 31T^{2} \)
37 \( 1 + (1.11 - 2.84i)T + (-27.1 - 25.1i)T^{2} \)
41 \( 1 + (-2.34 + 0.722i)T + (33.8 - 23.0i)T^{2} \)
43 \( 1 + (10.4 + 3.22i)T + (35.5 + 24.2i)T^{2} \)
47 \( 1 + (-2.64 + 1.27i)T + (29.3 - 36.7i)T^{2} \)
53 \( 1 + (3.69 + 9.42i)T + (-38.8 + 36.0i)T^{2} \)
59 \( 1 + (-0.506 - 2.21i)T + (-53.1 + 25.5i)T^{2} \)
61 \( 1 + (-3.38 - 4.24i)T + (-13.5 + 59.4i)T^{2} \)
67 \( 1 - 4.60T + 67T^{2} \)
71 \( 1 + (-9.09 + 11.4i)T + (-15.7 - 69.2i)T^{2} \)
73 \( 1 + (-4.11 + 2.80i)T + (26.6 - 67.9i)T^{2} \)
79 \( 1 + 5.71T + 79T^{2} \)
83 \( 1 + (7.97 - 5.43i)T + (30.3 - 77.2i)T^{2} \)
89 \( 1 + (0.179 + 2.39i)T + (-88.0 + 13.2i)T^{2} \)
97 \( 1 + (2.09 - 3.63i)T + (-48.5 - 84.0i)T^{2} \)
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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

−11.03582990240609651879803452784, −10.14125002627304195352881369243, −8.971457190903755268160145605398, −8.131310455094871295413455360146, −6.76040909924570338327390756888, −5.34138313010284220750918667106, −4.71500393592897701123904931979, −3.93891303183734963077662646466, −3.10158559513145568650073735222, −0.29713542949960614761441561504, 2.59685939707286689714296616726, 3.68720477844618290248903423845, 4.93390828124304135995645214176, 6.03105913100966020597773768748, 6.71730148146179908828724728101, 7.36808587163436083656399575315, 8.358339629144591776018421677329, 9.935123515095880385763529096539, 10.90706549100112217409385432585, 11.93413011296112531730763628436

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