Properties

Label 2-888-1.1-c1-0-7
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 + 0.864·5-s + 2.62·7-s + 9-s − 0.626·11-s − 2.62·13-s + 0.864·15-s + 7.28·17-s + 1.10·19-s + 2.62·21-s + 2.23·23-s − 4.25·25-s + 27-s − 0.864·29-s + 3.52·31-s − 0.626·33-s + 2.27·35-s − 37-s − 2.62·39-s + 2·41-s − 8.77·43-s + 0.864·45-s + 5.79·47-s − 0.103·49-s + 7.28·51-s − 9.67·53-s − 0.541·55-s + ⋯
L(s)  = 1  + 0.577·3-s + 0.386·5-s + 0.992·7-s + 0.333·9-s − 0.188·11-s − 0.728·13-s + 0.223·15-s + 1.76·17-s + 0.253·19-s + 0.573·21-s + 0.466·23-s − 0.850·25-s + 0.192·27-s − 0.160·29-s + 0.632·31-s − 0.109·33-s + 0.383·35-s − 0.164·37-s − 0.420·39-s + 0.312·41-s − 1.33·43-s + 0.128·45-s + 0.845·47-s − 0.0147·49-s + 1.02·51-s − 1.32·53-s − 0.0730·55-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

\(L(1)\) \(\approx\) \(2.295981462\)
\(L(\frac12)\) \(\approx\) \(2.295981462\)
\(L(\frac{3}{2})\) 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 \( 1 - 0.864T + 5T^{2} \)
7 \( 1 - 2.62T + 7T^{2} \)
11 \( 1 + 0.626T + 11T^{2} \)
13 \( 1 + 2.62T + 13T^{2} \)
17 \( 1 - 7.28T + 17T^{2} \)
19 \( 1 - 1.10T + 19T^{2} \)
23 \( 1 - 2.23T + 23T^{2} \)
29 \( 1 + 0.864T + 29T^{2} \)
31 \( 1 - 3.52T + 31T^{2} \)
41 \( 1 - 2T + 41T^{2} \)
43 \( 1 + 8.77T + 43T^{2} \)
47 \( 1 - 5.79T + 47T^{2} \)
53 \( 1 + 9.67T + 53T^{2} \)
59 \( 1 - 12.6T + 59T^{2} \)
61 \( 1 + 6T + 61T^{2} \)
67 \( 1 - 10.7T + 67T^{2} \)
71 \( 1 - 3.45T + 71T^{2} \)
73 \( 1 - 9.40T + 73T^{2} \)
79 \( 1 - 1.79T + 79T^{2} \)
83 \( 1 - 2.83T + 83T^{2} \)
89 \( 1 + 7.22T + 89T^{2} \)
97 \( 1 + 7.31T + 97T^{2} \)
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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

−9.918043158220811011581609099763, −9.469719381088934251166208540087, −8.193487400926363073930770362936, −7.85971974215387134769984976704, −6.86105190671014177631762574141, −5.55941504287958249026119584830, −4.91861909142671580520631121734, −3.67420189524042721863334946962, −2.53717103312983894031604439482, −1.37778908604533572062220680173, 1.37778908604533572062220680173, 2.53717103312983894031604439482, 3.67420189524042721863334946962, 4.91861909142671580520631121734, 5.55941504287958249026119584830, 6.86105190671014177631762574141, 7.85971974215387134769984976704, 8.193487400926363073930770362936, 9.469719381088934251166208540087, 9.918043158220811011581609099763

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