Properties

Label 2-21e2-441.25-c1-0-3
Degree $2$
Conductor $441$
Sign $-0.517 + 0.855i$
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  + (−0.416 + 1.82i)2-s + (−0.611 + 1.62i)3-s + (−1.35 − 0.650i)4-s + (−0.0698 − 0.177i)5-s + (−2.70 − 1.78i)6-s + (2.35 + 1.21i)7-s + (−0.583 + 0.731i)8-s + (−2.25 − 1.98i)9-s + (0.353 − 0.0533i)10-s + (−2.48 + 0.766i)11-s + (1.88 − 1.79i)12-s + (−4.36 + 1.34i)13-s + (−3.18 + 3.78i)14-s + (0.331 − 0.00444i)15-s + (−2.96 − 3.71i)16-s + (0.0993 − 1.32i)17-s + ⋯
L(s)  = 1  + (−0.294 + 1.28i)2-s + (−0.352 + 0.935i)3-s + (−0.675 − 0.325i)4-s + (−0.0312 − 0.0795i)5-s + (−1.10 − 0.730i)6-s + (0.888 + 0.458i)7-s + (−0.206 + 0.258i)8-s + (−0.751 − 0.660i)9-s + (0.111 − 0.0168i)10-s + (−0.749 + 0.231i)11-s + (0.542 − 0.517i)12-s + (−1.21 + 0.373i)13-s + (−0.852 + 1.01i)14-s + (0.0854 − 0.00114i)15-s + (−0.740 − 0.928i)16-s + (0.0240 − 0.321i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.517 + 0.855i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.517 + 0.855i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(441\)    =    \(3^{2} \cdot 7^{2}\)
Sign: $-0.517 + 0.855i$
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: \((2,\ 441,\ (\ :1/2),\ -0.517 + 0.855i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.362033 - 0.641789i\)
\(L(\frac12)\) \(\approx\) \(0.362033 - 0.641789i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + (0.611 - 1.62i)T \)
7 \( 1 + (-2.35 - 1.21i)T \)
good2 \( 1 + (0.416 - 1.82i)T + (-1.80 - 0.867i)T^{2} \)
5 \( 1 + (0.0698 + 0.177i)T + (-3.66 + 3.40i)T^{2} \)
11 \( 1 + (2.48 - 0.766i)T + (9.08 - 6.19i)T^{2} \)
13 \( 1 + (4.36 - 1.34i)T + (10.7 - 7.32i)T^{2} \)
17 \( 1 + (-0.0993 + 1.32i)T + (-16.8 - 2.53i)T^{2} \)
19 \( 1 + (-1.53 - 2.65i)T + (-9.5 + 16.4i)T^{2} \)
23 \( 1 + (5.43 - 3.70i)T + (8.40 - 21.4i)T^{2} \)
29 \( 1 + (0.210 - 2.80i)T + (-28.6 - 4.32i)T^{2} \)
31 \( 1 - 0.744T + 31T^{2} \)
37 \( 1 + (-1.54 - 1.05i)T + (13.5 + 34.4i)T^{2} \)
41 \( 1 + (7.29 + 1.09i)T + (39.1 + 12.0i)T^{2} \)
43 \( 1 + (-12.8 + 1.94i)T + (41.0 - 12.6i)T^{2} \)
47 \( 1 + (2.22 - 9.76i)T + (-42.3 - 20.3i)T^{2} \)
53 \( 1 + (-9.50 + 6.47i)T + (19.3 - 49.3i)T^{2} \)
59 \( 1 + (-5.40 - 6.78i)T + (-13.1 + 57.5i)T^{2} \)
61 \( 1 + (11.3 - 5.47i)T + (38.0 - 47.6i)T^{2} \)
67 \( 1 + 2.57T + 67T^{2} \)
71 \( 1 + (6.29 + 3.02i)T + (44.2 + 55.5i)T^{2} \)
73 \( 1 + (1.11 + 0.345i)T + (60.3 + 41.1i)T^{2} \)
79 \( 1 + 7.54T + 79T^{2} \)
83 \( 1 + (-8.82 - 2.72i)T + (68.5 + 46.7i)T^{2} \)
89 \( 1 + (11.1 - 10.3i)T + (6.65 - 88.7i)T^{2} \)
97 \( 1 + (5.58 - 9.67i)T + (-48.5 - 84.0i)T^{2} \)
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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

−11.79032780728348802257266517936, −10.63864008261665993344837499869, −9.719549346861727581970966130729, −8.886759250305149338480970406519, −7.992209454557659498055705656572, −7.23404807361489978840978166492, −5.91539925894632069951785261267, −5.23603704752870333108975376242, −4.45610931367394578340139409586, −2.59609957008516851854210635597, 0.50869621009492735143763650643, 1.95603812008663418100018369983, 2.87699903419676894791388118814, 4.52946899096535544207862717486, 5.67008388124826683739843177110, 7.00758652196786530831669803123, 7.80889639735007575596862152324, 8.731377163062681428280670686093, 10.07280504532111676193345318435, 10.66822601575686880031167334880

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