Properties

Label 2-21e2-1.1-c5-0-50
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  + 11.1·2-s + 93.1·4-s − 62.3·5-s + 684.·8-s − 697.·10-s + 173.·11-s − 348.·13-s + 4.67e3·16-s + 999.·17-s + 2.04e3·19-s − 5.80e3·20-s + 1.94e3·22-s + 1.94e3·23-s + 758.·25-s − 3.89e3·26-s − 738.·29-s + 2.45e3·31-s + 3.04e4·32-s + 1.11e4·34-s + 8.78e3·37-s + 2.28e4·38-s − 4.26e4·40-s + 1.76e4·41-s − 1.03e4·43-s + 1.61e4·44-s + 2.18e4·46-s − 75.0·47-s + ⋯
L(s)  = 1  + 1.97·2-s + 2.91·4-s − 1.11·5-s + 3.78·8-s − 2.20·10-s + 0.432·11-s − 0.571·13-s + 4.56·16-s + 0.838·17-s + 1.29·19-s − 3.24·20-s + 0.855·22-s + 0.768·23-s + 0.242·25-s − 1.13·26-s − 0.162·29-s + 0.459·31-s + 5.24·32-s + 1.65·34-s + 1.05·37-s + 2.56·38-s − 4.21·40-s + 1.63·41-s − 0.850·43-s + 1.25·44-s + 1.51·46-s − 0.00495·47-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

\(L(3)\) \(\approx\) \(7.790190681\)
\(L(\frac12)\) \(\approx\) \(7.790190681\)
\(L(\frac{7}{2})\) 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 \( 1 - 11.1T + 32T^{2} \)
5 \( 1 + 62.3T + 3.12e3T^{2} \)
11 \( 1 - 173.T + 1.61e5T^{2} \)
13 \( 1 + 348.T + 3.71e5T^{2} \)
17 \( 1 - 999.T + 1.41e6T^{2} \)
19 \( 1 - 2.04e3T + 2.47e6T^{2} \)
23 \( 1 - 1.94e3T + 6.43e6T^{2} \)
29 \( 1 + 738.T + 2.05e7T^{2} \)
31 \( 1 - 2.45e3T + 2.86e7T^{2} \)
37 \( 1 - 8.78e3T + 6.93e7T^{2} \)
41 \( 1 - 1.76e4T + 1.15e8T^{2} \)
43 \( 1 + 1.03e4T + 1.47e8T^{2} \)
47 \( 1 + 75.0T + 2.29e8T^{2} \)
53 \( 1 + 2.77e4T + 4.18e8T^{2} \)
59 \( 1 + 3.45e3T + 7.14e8T^{2} \)
61 \( 1 + 1.59e4T + 8.44e8T^{2} \)
67 \( 1 - 1.44e4T + 1.35e9T^{2} \)
71 \( 1 - 3.03e4T + 1.80e9T^{2} \)
73 \( 1 + 8.58e4T + 2.07e9T^{2} \)
79 \( 1 - 7.61e3T + 3.07e9T^{2} \)
83 \( 1 - 6.37e4T + 3.93e9T^{2} \)
89 \( 1 - 4.63e4T + 5.58e9T^{2} \)
97 \( 1 + 2.14e4T + 8.58e9T^{2} \)
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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

−10.89167379805071769818672790905, −9.672063406068242244588554390863, −7.83334091331030743594535406419, −7.41085673476964567656704530162, −6.34430000620857544998002799065, −5.29590148362260197864130931573, −4.45979630464461278771102329575, −3.55797264822193827476346445515, −2.77397070917829880696809077148, −1.17657452478092444167549550723, 1.17657452478092444167549550723, 2.77397070917829880696809077148, 3.55797264822193827476346445515, 4.45979630464461278771102329575, 5.29590148362260197864130931573, 6.34430000620857544998002799065, 7.41085673476964567656704530162, 7.83334091331030743594535406419, 9.672063406068242244588554390863, 10.89167379805071769818672790905

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