Properties

Label 2-22-1.1-c7-0-4
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 $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 8·2-s − 21·3-s + 64·4-s − 551·5-s − 168·6-s + 62·7-s + 512·8-s − 1.74e3·9-s − 4.40e3·10-s − 1.33e3·11-s − 1.34e3·12-s + 1.50e3·13-s + 496·14-s + 1.15e4·15-s + 4.09e3·16-s − 2.99e4·17-s − 1.39e4·18-s + 2.95e4·19-s − 3.52e4·20-s − 1.30e3·21-s − 1.06e4·22-s + 3.14e4·23-s − 1.07e4·24-s + 2.25e5·25-s + 1.20e4·26-s + 8.25e4·27-s + 3.96e3·28-s + ⋯
L(s)  = 1  + 0.707·2-s − 0.449·3-s + 1/2·4-s − 1.97·5-s − 0.317·6-s + 0.0683·7-s + 0.353·8-s − 0.798·9-s − 1.39·10-s − 0.301·11-s − 0.224·12-s + 0.189·13-s + 0.0483·14-s + 0.885·15-s + 1/4·16-s − 1.47·17-s − 0.564·18-s + 0.987·19-s − 0.985·20-s − 0.0306·21-s − 0.213·22-s + 0.539·23-s − 0.158·24-s + 2.88·25-s + 0.133·26-s + 0.807·27-s + 0.0341·28-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: \(1\)
Selberg data: \((2,\ 22,\ (\ :7/2),\ -1)\)

Particular Values

\(L(4)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{9}{2})\) 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 \( 1 + 7 p T + p^{7} T^{2} \)
5 \( 1 + 551 T + p^{7} T^{2} \)
7 \( 1 - 62 T + p^{7} T^{2} \)
13 \( 1 - 1500 T + p^{7} T^{2} \)
17 \( 1 + 29930 T + p^{7} T^{2} \)
19 \( 1 - 29512 T + p^{7} T^{2} \)
23 \( 1 - 31499 T + p^{7} T^{2} \)
29 \( 1 + 2592 p T + p^{7} T^{2} \)
31 \( 1 + 235845 T + p^{7} T^{2} \)
37 \( 1 - 75507 T + p^{7} T^{2} \)
41 \( 1 + 270288 T + p^{7} T^{2} \)
43 \( 1 + 1028030 T + p^{7} T^{2} \)
47 \( 1 + 771840 T + p^{7} T^{2} \)
53 \( 1 - 765778 T + p^{7} T^{2} \)
59 \( 1 + 392007 T + p^{7} T^{2} \)
61 \( 1 - 1248460 T + p^{7} T^{2} \)
67 \( 1 - 3498133 T + p^{7} T^{2} \)
71 \( 1 - 1101753 T + p^{7} T^{2} \)
73 \( 1 + 1122996 T + p^{7} T^{2} \)
79 \( 1 + 4362946 T + p^{7} T^{2} \)
83 \( 1 + 4437790 T + p^{7} T^{2} \)
89 \( 1 + 521233 T + p^{7} T^{2} \)
97 \( 1 + 2129831 T + p^{7} T^{2} \)
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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

−15.67784841495653445702087436245, −14.71915755285737184568829304128, −12.97247232877001412691906416846, −11.58278921408456870130900431424, −11.16147774391340200620550606267, −8.421704771950237687308760234901, −6.99953434010570401595223442140, −4.96251851453768340730172047267, −3.41343194002727054195300481298, 0, 3.41343194002727054195300481298, 4.96251851453768340730172047267, 6.99953434010570401595223442140, 8.421704771950237687308760234901, 11.16147774391340200620550606267, 11.58278921408456870130900431424, 12.97247232877001412691906416846, 14.71915755285737184568829304128, 15.67784841495653445702087436245

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