Properties

Label 2-22218-1.1-c1-0-0
Degree $2$
Conductor $22218$
Sign $1$
Analytic cond. $177.411$
Root an. cond. $13.3195$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2-s − 3-s + 4-s − 3·5-s + 6-s − 7-s − 8-s + 9-s + 3·10-s − 4·11-s − 12-s + 3·13-s + 14-s + 3·15-s + 16-s − 18-s − 3·20-s + 21-s + 4·22-s + 24-s + 4·25-s − 3·26-s − 27-s − 28-s + 29-s − 3·30-s − 2·31-s + ⋯
L(s)  = 1  − 0.707·2-s − 0.577·3-s + 1/2·4-s − 1.34·5-s + 0.408·6-s − 0.377·7-s − 0.353·8-s + 1/3·9-s + 0.948·10-s − 1.20·11-s − 0.288·12-s + 0.832·13-s + 0.267·14-s + 0.774·15-s + 1/4·16-s − 0.235·18-s − 0.670·20-s + 0.218·21-s + 0.852·22-s + 0.204·24-s + 4/5·25-s − 0.588·26-s − 0.192·27-s − 0.188·28-s + 0.185·29-s − 0.547·30-s − 0.359·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 22218 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 22218 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(22218\)    =    \(2 \cdot 3 \cdot 7 \cdot 23^{2}\)
Sign: $1$
Analytic conductor: \(177.411\)
Root analytic conductor: \(13.3195\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 22218,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.4519408269\)
\(L(\frac12)\) \(\approx\) \(0.4519408269\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + T \)
3 \( 1 + T \)
7 \( 1 + T \)
23 \( 1 \)
good5 \( 1 + 3 T + p T^{2} \)
11 \( 1 + 4 T + p T^{2} \)
13 \( 1 - 3 T + p T^{2} \)
17 \( 1 + p T^{2} \)
19 \( 1 + p T^{2} \)
29 \( 1 - T + p T^{2} \)
31 \( 1 + 2 T + p T^{2} \)
37 \( 1 - 5 T + p T^{2} \)
41 \( 1 - 5 T + p T^{2} \)
43 \( 1 - 7 T + p T^{2} \)
47 \( 1 + 3 T + p T^{2} \)
53 \( 1 + 12 T + p T^{2} \)
59 \( 1 + 2 T + p T^{2} \)
61 \( 1 - 6 T + p T^{2} \)
67 \( 1 - 12 T + p T^{2} \)
71 \( 1 - 10 T + p T^{2} \)
73 \( 1 + p T^{2} \)
79 \( 1 + 4 T + p T^{2} \)
83 \( 1 + 4 T + p T^{2} \)
89 \( 1 + 10 T + p T^{2} \)
97 \( 1 + 19 T + p T^{2} \)
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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

−15.80887059871237, −15.34891864958427, −14.61098645671540, −13.92717517086680, −13.08316714814769, −12.67590430056170, −12.27020756273973, −11.44161088256994, −11.05290826198115, −10.85345384533975, −9.989629110861990, −9.532088623237929, −8.737686056490956, −8.078558183090090, −7.825352921266932, −7.172111173070389, −6.545271112090857, −5.886122056295216, −5.245031553943053, −4.418319403649531, −3.807984146189689, −3.090955773748160, −2.338763245945859, −1.160043133588807, −0.3593021910023670, 0.3593021910023670, 1.160043133588807, 2.338763245945859, 3.090955773748160, 3.807984146189689, 4.418319403649531, 5.245031553943053, 5.886122056295216, 6.545271112090857, 7.172111173070389, 7.825352921266932, 8.078558183090090, 8.737686056490956, 9.532088623237929, 9.989629110861990, 10.85345384533975, 11.05290826198115, 11.44161088256994, 12.27020756273973, 12.67590430056170, 13.08316714814769, 13.92717517086680, 14.61098645671540, 15.34891864958427, 15.80887059871237

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