Properties

Label 2-21e2-1.1-c5-0-12
Degree $2$
Conductor $441$
Sign $1$
Analytic cond. $70.7292$
Root an. cond. $8.41006$
Motivic weight $5$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 10.6·2-s + 80.8·4-s − 67.4·5-s − 518.·8-s + 716.·10-s + 522.·11-s − 76.6·13-s + 2.92e3·16-s − 1.26e3·17-s + 1.89e3·19-s − 5.45e3·20-s − 5.55e3·22-s − 1.15e3·23-s + 1.42e3·25-s + 814.·26-s − 3.85e3·29-s + 1.04e4·31-s − 1.44e4·32-s + 1.34e4·34-s − 5.60e3·37-s − 2.01e4·38-s + 3.50e4·40-s + 1.42e4·41-s − 1.48e4·43-s + 4.22e4·44-s + 1.22e4·46-s + 1.15e4·47-s + ⋯
L(s)  = 1  − 1.87·2-s + 2.52·4-s − 1.20·5-s − 2.86·8-s + 2.26·10-s + 1.30·11-s − 0.125·13-s + 2.85·16-s − 1.06·17-s + 1.20·19-s − 3.04·20-s − 2.44·22-s − 0.453·23-s + 0.456·25-s + 0.236·26-s − 0.850·29-s + 1.94·31-s − 2.49·32-s + 2.00·34-s − 0.672·37-s − 2.25·38-s + 3.45·40-s + 1.32·41-s − 1.22·43-s + 3.28·44-s + 0.851·46-s + 0.762·47-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(441\)    =    \(3^{2} \cdot 7^{2}\)
Sign: $1$
Analytic conductor: \(70.7292\)
Root analytic conductor: \(8.41006\)
Motivic weight: \(5\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 441,\ (\ :5/2),\ 1)\)

Particular Values

\(L(3)\) \(\approx\) \(0.5224717885\)
\(L(\frac12)\) \(\approx\) \(0.5224717885\)
\(L(\frac{7}{2})\) 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 \( 1 \)
good2 \( 1 + 10.6T + 32T^{2} \)
5 \( 1 + 67.4T + 3.12e3T^{2} \)
11 \( 1 - 522.T + 1.61e5T^{2} \)
13 \( 1 + 76.6T + 3.71e5T^{2} \)
17 \( 1 + 1.26e3T + 1.41e6T^{2} \)
19 \( 1 - 1.89e3T + 2.47e6T^{2} \)
23 \( 1 + 1.15e3T + 6.43e6T^{2} \)
29 \( 1 + 3.85e3T + 2.05e7T^{2} \)
31 \( 1 - 1.04e4T + 2.86e7T^{2} \)
37 \( 1 + 5.60e3T + 6.93e7T^{2} \)
41 \( 1 - 1.42e4T + 1.15e8T^{2} \)
43 \( 1 + 1.48e4T + 1.47e8T^{2} \)
47 \( 1 - 1.15e4T + 2.29e8T^{2} \)
53 \( 1 + 4.67e3T + 4.18e8T^{2} \)
59 \( 1 + 2.91e4T + 7.14e8T^{2} \)
61 \( 1 + 1.18e4T + 8.44e8T^{2} \)
67 \( 1 + 3.62e4T + 1.35e9T^{2} \)
71 \( 1 + 1.34e4T + 1.80e9T^{2} \)
73 \( 1 + 2.60e3T + 2.07e9T^{2} \)
79 \( 1 + 7.83e4T + 3.07e9T^{2} \)
83 \( 1 + 1.67e4T + 3.93e9T^{2} \)
89 \( 1 + 3.67e4T + 5.58e9T^{2} \)
97 \( 1 + 3.61e4T + 8.58e9T^{2} \)
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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

−10.11541960927741364985313367253, −9.268633145897075923846927575658, −8.591208651528759991101900264192, −7.72185494617530194179263472509, −7.06052952313321837268139917208, −6.15504681988190500826502723601, −4.26999520672535621404230216818, −3.02711212529684676516252857779, −1.58684139249484044742526990129, −0.51288441384034722742801495460, 0.51288441384034722742801495460, 1.58684139249484044742526990129, 3.02711212529684676516252857779, 4.26999520672535621404230216818, 6.15504681988190500826502723601, 7.06052952313321837268139917208, 7.72185494617530194179263472509, 8.591208651528759991101900264192, 9.268633145897075923846927575658, 10.11541960927741364985313367253

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