Properties

Label 2-2240-28.27-c1-0-24
Degree $2$
Conductor $2240$
Sign $0.958 + 0.286i$
Analytic cond. $17.8864$
Root an. cond. $4.22924$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 0.742·3-s i·5-s + (−2.53 − 0.758i)7-s − 2.44·9-s + 2.35i·11-s + 0.960i·13-s + 0.742i·15-s + 2.59i·17-s − 1.82·19-s + (1.88 + 0.563i)21-s − 3.24i·23-s − 25-s + 4.04·27-s + 9.30·29-s − 8.86·31-s + ⋯
L(s)  = 1  − 0.428·3-s − 0.447i·5-s + (−0.958 − 0.286i)7-s − 0.816·9-s + 0.710i·11-s + 0.266i·13-s + 0.191i·15-s + 0.628i·17-s − 0.418·19-s + (0.410 + 0.122i)21-s − 0.676i·23-s − 0.200·25-s + 0.778·27-s + 1.72·29-s − 1.59·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2240 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.958 + 0.286i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2240 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.958 + 0.286i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2240\)    =    \(2^{6} \cdot 5 \cdot 7\)
Sign: $0.958 + 0.286i$
Analytic conductor: \(17.8864\)
Root analytic conductor: \(4.22924\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{2240} (1791, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 2240,\ (\ :1/2),\ 0.958 + 0.286i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.9857312621\)
\(L(\frac12)\) \(\approx\) \(0.9857312621\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 + iT \)
7 \( 1 + (2.53 + 0.758i)T \)
good3 \( 1 + 0.742T + 3T^{2} \)
11 \( 1 - 2.35iT - 11T^{2} \)
13 \( 1 - 0.960iT - 13T^{2} \)
17 \( 1 - 2.59iT - 17T^{2} \)
19 \( 1 + 1.82T + 19T^{2} \)
23 \( 1 + 3.24iT - 23T^{2} \)
29 \( 1 - 9.30T + 29T^{2} \)
31 \( 1 + 8.86T + 31T^{2} \)
37 \( 1 - 7.50T + 37T^{2} \)
41 \( 1 + 4.14iT - 41T^{2} \)
43 \( 1 - 9.65iT - 43T^{2} \)
47 \( 1 - 5.52T + 47T^{2} \)
53 \( 1 - 5.21T + 53T^{2} \)
59 \( 1 - 0.391T + 59T^{2} \)
61 \( 1 + 13.8iT - 61T^{2} \)
67 \( 1 - 0.695iT - 67T^{2} \)
71 \( 1 + 16.3iT - 71T^{2} \)
73 \( 1 + 11.7iT - 73T^{2} \)
79 \( 1 + 1.05iT - 79T^{2} \)
83 \( 1 + 1.49T + 83T^{2} \)
89 \( 1 - 9.48iT - 89T^{2} \)
97 \( 1 - 7.40iT - 97T^{2} \)
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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

−9.048825102834010213310671973152, −8.306300149864709607546707394399, −7.41111253622638187177972754845, −6.42789370827900235265757599340, −6.07236894552741817443697309043, −4.97155044870564030309409020651, −4.24110532597257306957901314849, −3.20710387675783501679291199393, −2.13408078754714821346513246492, −0.60728166607922759317872667328, 0.66381550175532169604978755764, 2.53247869841470345046740431559, 3.11619562716605982713329254360, 4.11512022884958730277739090259, 5.47276251479315586881550634459, 5.81388429100952729643066715366, 6.67489870439896836385376143550, 7.36125436658468206663786003307, 8.487037344604482574977560658988, 8.967501655271817581638750491935

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