Properties

Label 2-22-1.1-c7-0-1
Degree $2$
Conductor $22$
Sign $1$
Analytic cond. $6.87247$
Root an. cond. $2.62153$
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  − 8·2-s + 91·3-s + 64·4-s + 185·5-s − 728·6-s − 722·7-s − 512·8-s + 6.09e3·9-s − 1.48e3·10-s − 1.33e3·11-s + 5.82e3·12-s + 1.10e4·13-s + 5.77e3·14-s + 1.68e4·15-s + 4.09e3·16-s − 1.72e4·17-s − 4.87e4·18-s − 9.28e3·19-s + 1.18e4·20-s − 6.57e4·21-s + 1.06e4·22-s + 2.29e4·23-s − 4.65e4·24-s − 4.39e4·25-s − 8.81e4·26-s + 3.55e5·27-s − 4.62e4·28-s + ⋯
L(s)  = 1  − 0.707·2-s + 1.94·3-s + 1/2·4-s + 0.661·5-s − 1.37·6-s − 0.795·7-s − 0.353·8-s + 2.78·9-s − 0.468·10-s − 0.301·11-s + 0.972·12-s + 1.39·13-s + 0.562·14-s + 1.28·15-s + 1/4·16-s − 0.849·17-s − 1.97·18-s − 0.310·19-s + 0.330·20-s − 1.54·21-s + 0.213·22-s + 0.393·23-s − 0.687·24-s − 0.561·25-s − 0.983·26-s + 3.47·27-s − 0.397·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 22 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 22 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(22\)    =    \(2 \cdot 11\)
Sign: $1$
Analytic conductor: \(6.87247\)
Root analytic conductor: \(2.62153\)
Motivic weight: \(7\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 22,\ (\ :7/2),\ 1)\)

Particular Values

\(L(4)\) \(\approx\) \(2.266671553\)
\(L(\frac12)\) \(\approx\) \(2.266671553\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + p^{3} T \)
11 \( 1 + p^{3} T \)
good3 \( 1 - 91 T + p^{7} T^{2} \)
5 \( 1 - 37 p T + p^{7} T^{2} \)
7 \( 1 + 722 T + p^{7} T^{2} \)
13 \( 1 - 11020 T + p^{7} T^{2} \)
17 \( 1 + 17210 T + p^{7} T^{2} \)
19 \( 1 + 9288 T + p^{7} T^{2} \)
23 \( 1 - 22971 T + p^{7} T^{2} \)
29 \( 1 - 134272 T + p^{7} T^{2} \)
31 \( 1 + 287765 T + p^{7} T^{2} \)
37 \( 1 + 316397 T + p^{7} T^{2} \)
41 \( 1 + 335968 T + p^{7} T^{2} \)
43 \( 1 + 858110 T + p^{7} T^{2} \)
47 \( 1 - 587680 T + p^{7} T^{2} \)
53 \( 1 + 244238 T + p^{7} T^{2} \)
59 \( 1 + 163287 T + p^{7} T^{2} \)
61 \( 1 - 37660 p T + p^{7} T^{2} \)
67 \( 1 + 3428283 T + p^{7} T^{2} \)
71 \( 1 - 1542953 T + p^{7} T^{2} \)
73 \( 1 - 2216316 T + p^{7} T^{2} \)
79 \( 1 - 1526014 T + p^{7} T^{2} \)
83 \( 1 - 1650370 T + p^{7} T^{2} \)
89 \( 1 - 5760847 T + p^{7} T^{2} \)
97 \( 1 + 5750759 T + p^{7} T^{2} \)
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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

−16.13025491106890823577394646999, −15.23411323583171878874349366748, −13.76717319239749227456347896013, −13.00956206096740076900201369833, −10.40082305189310242155641163440, −9.255310515619309659573404786073, −8.406191877583896639070274387489, −6.76548516524270890449383429377, −3.41956656198945190330483516321, −1.88627257680106004495870978430, 1.88627257680106004495870978430, 3.41956656198945190330483516321, 6.76548516524270890449383429377, 8.406191877583896639070274387489, 9.255310515619309659573404786073, 10.40082305189310242155641163440, 13.00956206096740076900201369833, 13.76717319239749227456347896013, 15.23411323583171878874349366748, 16.13025491106890823577394646999

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