Properties

Label 2-888-1.1-c1-0-5
Degree $2$
Conductor $888$
Sign $1$
Analytic cond. $7.09071$
Root an. cond. $2.66283$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 3-s − 1.70·7-s + 9-s − 1.70·11-s + 3.70·13-s + 5.70·17-s + 1.70·19-s − 1.70·21-s + 7.70·23-s − 5·25-s + 27-s + 8·29-s + 3.40·31-s − 1.70·33-s + 37-s + 3.70·39-s + 2·41-s + 4·43-s − 11.4·47-s − 4.10·49-s + 5.70·51-s + 0.298·53-s + 1.70·57-s − 9.40·59-s + 6·61-s − 1.70·63-s − 15.4·67-s + ⋯
L(s)  = 1  + 0.577·3-s − 0.643·7-s + 0.333·9-s − 0.513·11-s + 1.02·13-s + 1.38·17-s + 0.390·19-s − 0.371·21-s + 1.60·23-s − 25-s + 0.192·27-s + 1.48·29-s + 0.611·31-s − 0.296·33-s + 0.164·37-s + 0.592·39-s + 0.312·41-s + 0.609·43-s − 1.66·47-s − 0.586·49-s + 0.798·51-s + 0.0409·53-s + 0.225·57-s − 1.22·59-s + 0.768·61-s − 0.214·63-s − 1.88·67-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 888 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 888 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(888\)    =    \(2^{3} \cdot 3 \cdot 37\)
Sign: $1$
Analytic conductor: \(7.09071\)
Root analytic conductor: \(2.66283\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 888,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.927362271\)
\(L(\frac12)\) \(\approx\) \(1.927362271\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 - T \)
37 \( 1 - T \)
good5 \( 1 + 5T^{2} \)
7 \( 1 + 1.70T + 7T^{2} \)
11 \( 1 + 1.70T + 11T^{2} \)
13 \( 1 - 3.70T + 13T^{2} \)
17 \( 1 - 5.70T + 17T^{2} \)
19 \( 1 - 1.70T + 19T^{2} \)
23 \( 1 - 7.70T + 23T^{2} \)
29 \( 1 - 8T + 29T^{2} \)
31 \( 1 - 3.40T + 31T^{2} \)
41 \( 1 - 2T + 41T^{2} \)
43 \( 1 - 4T + 43T^{2} \)
47 \( 1 + 11.4T + 47T^{2} \)
53 \( 1 - 0.298T + 53T^{2} \)
59 \( 1 + 9.40T + 59T^{2} \)
61 \( 1 - 6T + 61T^{2} \)
67 \( 1 + 15.4T + 67T^{2} \)
71 \( 1 - 14.8T + 71T^{2} \)
73 \( 1 - 3.10T + 73T^{2} \)
79 \( 1 + 7.40T + 79T^{2} \)
83 \( 1 + 9.70T + 83T^{2} \)
89 \( 1 - 16.5T + 89T^{2} \)
97 \( 1 + 16.8T + 97T^{2} \)
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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

−9.993506395049773962553449524251, −9.365781184849587303660747606082, −8.380764597327726261078172319947, −7.74705752628509649652387502769, −6.71873665362631629105715209050, −5.84282615870858130407073496962, −4.76197369897633292305464112952, −3.48066649603402878556967925972, −2.86115278990312535877066982966, −1.18340547882763134421742875061, 1.18340547882763134421742875061, 2.86115278990312535877066982966, 3.48066649603402878556967925972, 4.76197369897633292305464112952, 5.84282615870858130407073496962, 6.71873665362631629105715209050, 7.74705752628509649652387502769, 8.380764597327726261078172319947, 9.365781184849587303660747606082, 9.993506395049773962553449524251

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