Properties

Label 2-224-1.1-c1-0-2
Degree $2$
Conductor $224$
Sign $1$
Analytic cond. $1.78864$
Root an. cond. $1.33740$
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  + 2·3-s + 7-s + 9-s + 4·11-s − 4·13-s − 2·17-s + 6·19-s + 2·21-s − 8·23-s − 5·25-s − 4·27-s + 2·29-s + 4·31-s + 8·33-s + 10·37-s − 8·39-s − 10·41-s − 4·43-s − 4·47-s + 49-s − 4·51-s − 2·53-s + 12·57-s − 10·59-s − 8·61-s + 63-s + 8·67-s + ⋯
L(s)  = 1  + 1.15·3-s + 0.377·7-s + 1/3·9-s + 1.20·11-s − 1.10·13-s − 0.485·17-s + 1.37·19-s + 0.436·21-s − 1.66·23-s − 25-s − 0.769·27-s + 0.371·29-s + 0.718·31-s + 1.39·33-s + 1.64·37-s − 1.28·39-s − 1.56·41-s − 0.609·43-s − 0.583·47-s + 1/7·49-s − 0.560·51-s − 0.274·53-s + 1.58·57-s − 1.30·59-s − 1.02·61-s + 0.125·63-s + 0.977·67-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 224 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 224 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(224\)    =    \(2^{5} \cdot 7\)
Sign: $1$
Analytic conductor: \(1.78864\)
Root analytic conductor: \(1.33740\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 224,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.717518751\)
\(L(\frac12)\) \(\approx\) \(1.717518751\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
7 \( 1 - T \)
good3 \( 1 - 2 T + p T^{2} \)
5 \( 1 + p T^{2} \)
11 \( 1 - 4 T + p T^{2} \)
13 \( 1 + 4 T + p T^{2} \)
17 \( 1 + 2 T + p T^{2} \)
19 \( 1 - 6 T + p T^{2} \)
23 \( 1 + 8 T + p T^{2} \)
29 \( 1 - 2 T + p T^{2} \)
31 \( 1 - 4 T + p T^{2} \)
37 \( 1 - 10 T + p T^{2} \)
41 \( 1 + 10 T + p T^{2} \)
43 \( 1 + 4 T + p T^{2} \)
47 \( 1 + 4 T + p T^{2} \)
53 \( 1 + 2 T + p T^{2} \)
59 \( 1 + 10 T + p T^{2} \)
61 \( 1 + 8 T + p T^{2} \)
67 \( 1 - 8 T + p T^{2} \)
71 \( 1 + p T^{2} \)
73 \( 1 + 6 T + p T^{2} \)
79 \( 1 - 16 T + p T^{2} \)
83 \( 1 + 2 T + p T^{2} \)
89 \( 1 - 18 T + p T^{2} \)
97 \( 1 + 2 T + p T^{2} \)
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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

−12.06805530931609310079119258368, −11.57716090340427312946484264281, −9.913173607034066853189935309323, −9.389652658008486485429618465354, −8.247827016681358338699106327510, −7.53632864653844024945923131798, −6.19321040018157050389604631782, −4.62285613804853643208241606946, −3.39651452170084757716747861999, −2.00516068697428410265218115685, 2.00516068697428410265218115685, 3.39651452170084757716747861999, 4.62285613804853643208241606946, 6.19321040018157050389604631782, 7.53632864653844024945923131798, 8.247827016681358338699106327510, 9.389652658008486485429618465354, 9.913173607034066853189935309323, 11.57716090340427312946484264281, 12.06805530931609310079119258368

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