Properties

Label 2-21e2-1.1-c7-0-29
Degree $2$
Conductor $441$
Sign $1$
Analytic cond. $137.761$
Root an. cond. $11.7371$
Motivic weight $7$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 6·2-s − 92·4-s − 84·5-s − 1.32e3·8-s − 504·10-s + 5.56e3·11-s + 5.15e3·13-s + 3.85e3·16-s − 1.39e4·17-s − 5.53e4·19-s + 7.72e3·20-s + 3.34e4·22-s + 9.12e4·23-s − 7.10e4·25-s + 3.09e4·26-s − 4.16e4·29-s − 1.50e5·31-s + 1.92e5·32-s − 8.39e4·34-s − 1.36e5·37-s − 3.32e5·38-s + 1.10e5·40-s − 5.10e5·41-s − 1.72e5·43-s − 5.12e5·44-s + 5.47e5·46-s − 5.19e5·47-s + ⋯
L(s)  = 1  + 0.530·2-s − 0.718·4-s − 0.300·5-s − 0.911·8-s − 0.159·10-s + 1.26·11-s + 0.650·13-s + 0.235·16-s − 0.690·17-s − 1.85·19-s + 0.216·20-s + 0.668·22-s + 1.56·23-s − 0.909·25-s + 0.344·26-s − 0.316·29-s − 0.906·31-s + 1.03·32-s − 0.366·34-s − 0.442·37-s − 0.982·38-s + 0.273·40-s − 1.15·41-s − 0.330·43-s − 0.906·44-s + 0.829·46-s − 0.729·47-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(441\)    =    \(3^{2} \cdot 7^{2}\)
Sign: $1$
Analytic conductor: \(137.761\)
Root analytic conductor: \(11.7371\)
Motivic weight: \(7\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 441,\ (\ :7/2),\ 1)\)

Particular Values

\(L(4)\) \(\approx\) \(1.715638103\)
\(L(\frac12)\) \(\approx\) \(1.715638103\)
\(L(\frac{9}{2})\) 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 \( 1 - 3 p T + p^{7} T^{2} \)
5 \( 1 + 84 T + p^{7} T^{2} \)
11 \( 1 - 5568 T + p^{7} T^{2} \)
13 \( 1 - 5152 T + p^{7} T^{2} \)
17 \( 1 + 13986 T + p^{7} T^{2} \)
19 \( 1 + 55370 T + p^{7} T^{2} \)
23 \( 1 - 91272 T + p^{7} T^{2} \)
29 \( 1 + 41610 T + p^{7} T^{2} \)
31 \( 1 + 150332 T + p^{7} T^{2} \)
37 \( 1 + 136366 T + p^{7} T^{2} \)
41 \( 1 + 510258 T + p^{7} T^{2} \)
43 \( 1 + 172072 T + p^{7} T^{2} \)
47 \( 1 + 519036 T + p^{7} T^{2} \)
53 \( 1 - 59202 T + p^{7} T^{2} \)
59 \( 1 - 1979250 T + p^{7} T^{2} \)
61 \( 1 - 2988748 T + p^{7} T^{2} \)
67 \( 1 - 2409404 T + p^{7} T^{2} \)
71 \( 1 + 1504512 T + p^{7} T^{2} \)
73 \( 1 - 1821022 T + p^{7} T^{2} \)
79 \( 1 + 1669240 T + p^{7} T^{2} \)
83 \( 1 - 696738 T + p^{7} T^{2} \)
89 \( 1 - 5558490 T + p^{7} T^{2} \)
97 \( 1 + 101822 p T + p^{7} T^{2} \)
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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

−9.859578440224505046053937509515, −8.812376321241333436377127725658, −8.525658665363504468343471697874, −6.94727335992736406229376277004, −6.20468559586038489740764382036, −5.05314903018065627344765256378, −4.07526267205860625433608675952, −3.50467176385532323876257210982, −1.90489667370927263142017223906, −0.54628004537920749357727304440, 0.54628004537920749357727304440, 1.90489667370927263142017223906, 3.50467176385532323876257210982, 4.07526267205860625433608675952, 5.05314903018065627344765256378, 6.20468559586038489740764382036, 6.94727335992736406229376277004, 8.525658665363504468343471697874, 8.812376321241333436377127725658, 9.859578440224505046053937509515

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