Properties

Label 2-21e2-7.6-c6-0-19
Degree $2$
Conductor $441$
Sign $-0.755 - 0.654i$
Analytic cond. $101.453$
Root an. cond. $10.0724$
Motivic weight $6$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 12.4·2-s + 91.6·4-s + 202. i·5-s − 345.·8-s − 2.52e3i·10-s − 875.·11-s − 275. i·13-s − 1.56e3·16-s − 4.38e3i·17-s − 1.35e4i·19-s + 1.85e4i·20-s + 1.09e4·22-s + 1.27e4·23-s − 2.53e4·25-s + 3.43e3i·26-s + ⋯
L(s)  = 1  − 1.55·2-s + 1.43·4-s + 1.61i·5-s − 0.674·8-s − 2.52i·10-s − 0.657·11-s − 0.125i·13-s − 0.380·16-s − 0.892i·17-s − 1.96i·19-s + 2.32i·20-s + 1.02·22-s + 1.04·23-s − 1.62·25-s + 0.195i·26-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.755 - 0.654i)\, \overline{\Lambda}(7-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s+3) \, L(s)\cr =\mathstrut & (-0.755 - 0.654i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(441\)    =    \(3^{2} \cdot 7^{2}\)
Sign: $-0.755 - 0.654i$
Analytic conductor: \(101.453\)
Root analytic conductor: \(10.0724\)
Motivic weight: \(6\)
Rational: no
Arithmetic: yes
Character: $\chi_{441} (244, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 441,\ (\ :3),\ -0.755 - 0.654i)\)

Particular Values

\(L(\frac{7}{2})\) \(\approx\) \(0.5181701835\)
\(L(\frac12)\) \(\approx\) \(0.5181701835\)
\(L(4)\) 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 \( 1 \)
good2 \( 1 + 12.4T + 64T^{2} \)
5 \( 1 - 202. iT - 1.56e4T^{2} \)
11 \( 1 + 875.T + 1.77e6T^{2} \)
13 \( 1 + 275. iT - 4.82e6T^{2} \)
17 \( 1 + 4.38e3iT - 2.41e7T^{2} \)
19 \( 1 + 1.35e4iT - 4.70e7T^{2} \)
23 \( 1 - 1.27e4T + 1.48e8T^{2} \)
29 \( 1 + 6.26e3T + 5.94e8T^{2} \)
31 \( 1 - 2.04e4iT - 8.87e8T^{2} \)
37 \( 1 - 1.57e4T + 2.56e9T^{2} \)
41 \( 1 - 6.99e4iT - 4.75e9T^{2} \)
43 \( 1 - 1.13e5T + 6.32e9T^{2} \)
47 \( 1 - 4.63e4iT - 1.07e10T^{2} \)
53 \( 1 + 1.28e5T + 2.21e10T^{2} \)
59 \( 1 - 2.80e5iT - 4.21e10T^{2} \)
61 \( 1 - 9.78e4iT - 5.15e10T^{2} \)
67 \( 1 - 1.74e5T + 9.04e10T^{2} \)
71 \( 1 + 3.45e5T + 1.28e11T^{2} \)
73 \( 1 - 1.20e5iT - 1.51e11T^{2} \)
79 \( 1 - 7.63e5T + 2.43e11T^{2} \)
83 \( 1 + 8.59e5iT - 3.26e11T^{2} \)
89 \( 1 - 1.79e5iT - 4.96e11T^{2} \)
97 \( 1 - 3.40e5iT - 8.32e11T^{2} \)
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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

−10.49396479677946544861463812894, −9.551566209193554667604705327610, −8.854192776177552563876649069374, −7.56177308051486554909797281743, −7.20066177162531329202792913777, −6.35131573602611267369535963694, −4.81994913237567967883429337018, −2.95471828625692777197821580448, −2.48065595633735548272040943308, −0.861038837306475752056865618136, 0.26219142950760228094772109147, 1.21521547605773007440159677235, 2.04222945828047954588374468268, 3.91770868662727004381939029978, 5.11490170727240710707606137800, 6.12794285977038224283560023399, 7.60889233468311135503917648861, 8.140309970256292557747412599394, 8.865050743862281125524931617769, 9.590110151425438799717597364464

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