Properties

Label 2-21e2-441.25-c1-0-0
Degree $2$
Conductor $441$
Sign $-0.972 + 0.232i$
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  + (−0.322 + 1.41i)2-s + (−1.49 − 0.871i)3-s + (−0.0960 − 0.0462i)4-s + (−1.42 − 3.62i)5-s + (1.71 − 1.83i)6-s + (1.71 − 2.01i)7-s + (−1.71 + 2.14i)8-s + (1.47 + 2.60i)9-s + (5.58 − 0.842i)10-s + (−4.66 + 1.43i)11-s + (0.103 + 0.152i)12-s + (−3.94 + 1.21i)13-s + (2.29 + 3.07i)14-s + (−1.03 + 6.66i)15-s + (−2.61 − 3.28i)16-s + (−0.361 + 4.82i)17-s + ⋯
L(s)  = 1  + (−0.228 + 1.00i)2-s + (−0.864 − 0.503i)3-s + (−0.0480 − 0.0231i)4-s + (−0.636 − 1.62i)5-s + (0.700 − 0.749i)6-s + (0.648 − 0.761i)7-s + (−0.605 + 0.759i)8-s + (0.493 + 0.869i)9-s + (1.76 − 0.266i)10-s + (−1.40 + 0.433i)11-s + (0.0298 + 0.0441i)12-s + (−1.09 + 0.337i)13-s + (0.613 + 0.822i)14-s + (−0.266 + 1.72i)15-s + (−0.654 − 0.821i)16-s + (−0.0877 + 1.17i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.972 + 0.232i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.972 + 0.232i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(441\)    =    \(3^{2} \cdot 7^{2}\)
Sign: $-0.972 + 0.232i$
Analytic conductor: \(3.52140\)
Root analytic conductor: \(1.87654\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{441} (25, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 441,\ (\ :1/2),\ -0.972 + 0.232i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.00488911 - 0.0415159i\)
\(L(\frac12)\) \(\approx\) \(0.00488911 - 0.0415159i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + (1.49 + 0.871i)T \)
7 \( 1 + (-1.71 + 2.01i)T \)
good2 \( 1 + (0.322 - 1.41i)T + (-1.80 - 0.867i)T^{2} \)
5 \( 1 + (1.42 + 3.62i)T + (-3.66 + 3.40i)T^{2} \)
11 \( 1 + (4.66 - 1.43i)T + (9.08 - 6.19i)T^{2} \)
13 \( 1 + (3.94 - 1.21i)T + (10.7 - 7.32i)T^{2} \)
17 \( 1 + (0.361 - 4.82i)T + (-16.8 - 2.53i)T^{2} \)
19 \( 1 + (-1.88 - 3.26i)T + (-9.5 + 16.4i)T^{2} \)
23 \( 1 + (2.23 - 1.52i)T + (8.40 - 21.4i)T^{2} \)
29 \( 1 + (-0.300 + 4.00i)T + (-28.6 - 4.32i)T^{2} \)
31 \( 1 + 2.61T + 31T^{2} \)
37 \( 1 + (-0.460 - 0.314i)T + (13.5 + 34.4i)T^{2} \)
41 \( 1 + (-5.09 - 0.767i)T + (39.1 + 12.0i)T^{2} \)
43 \( 1 + (0.856 - 0.129i)T + (41.0 - 12.6i)T^{2} \)
47 \( 1 + (-1.52 + 6.69i)T + (-42.3 - 20.3i)T^{2} \)
53 \( 1 + (11.6 - 7.97i)T + (19.3 - 49.3i)T^{2} \)
59 \( 1 + (6.29 + 7.89i)T + (-13.1 + 57.5i)T^{2} \)
61 \( 1 + (1.24 - 0.600i)T + (38.0 - 47.6i)T^{2} \)
67 \( 1 + 5.17T + 67T^{2} \)
71 \( 1 + (-6.63 - 3.19i)T + (44.2 + 55.5i)T^{2} \)
73 \( 1 + (3.40 + 1.04i)T + (60.3 + 41.1i)T^{2} \)
79 \( 1 - 2.68T + 79T^{2} \)
83 \( 1 + (16.1 + 4.98i)T + (68.5 + 46.7i)T^{2} \)
89 \( 1 + (-2.20 + 2.04i)T + (6.65 - 88.7i)T^{2} \)
97 \( 1 + (4.85 - 8.41i)T + (-48.5 - 84.0i)T^{2} \)
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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

−11.79476511485707992537796740236, −10.82524647393260754232412458919, −9.726582131087977720446864918534, −8.286356905992354556495699674006, −7.80673050205013809449176241223, −7.33364457671702759649214520598, −5.89147711645052462887634152415, −5.09629379854054809580182627362, −4.37971336544273666033115470314, −1.80534903352093922112119063086, 0.02927467044329722117179858245, 2.56234632820821857099090382596, 3.11539318569761854522434418806, 4.74750274853709478420815708633, 5.78862112428981153507742093832, 6.94825697534502178438891869347, 7.72207754230177943502998806604, 9.315863581739202795244679493860, 10.15402168028226870906782310848, 10.92043311275135393953479382146

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