Properties

Label 2-2240-28.27-c1-0-2
Degree $2$
Conductor $2240$
Sign $-0.176 - 0.984i$
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  − 0.936·3-s i·5-s + (−2.60 + 0.468i)7-s − 2.12·9-s − 2.39i·11-s − 2i·13-s + 0.936i·15-s − 7.12i·17-s − 2.39·19-s + (2.43 − 0.438i)21-s + 5.73i·23-s − 25-s + 4.79·27-s + 2·29-s + 6.67·31-s + ⋯
L(s)  = 1  − 0.540·3-s − 0.447i·5-s + (−0.984 + 0.176i)7-s − 0.707·9-s − 0.723i·11-s − 0.554i·13-s + 0.241i·15-s − 1.72i·17-s − 0.550·19-s + (0.532 − 0.0956i)21-s + 1.19i·23-s − 0.200·25-s + 0.923·27-s + 0.371·29-s + 1.19·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2240 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.176 - 0.984i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2240 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.176 - 0.984i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2240\)    =    \(2^{6} \cdot 5 \cdot 7\)
Sign: $-0.176 - 0.984i$
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: \((2,\ 2240,\ (\ :1/2),\ -0.176 - 0.984i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.3106501985\)
\(L(\frac12)\) \(\approx\) \(0.3106501985\)
\(L(\frac{3}{2})\) 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 \( 1 + (2.60 - 0.468i)T \)
good3 \( 1 + 0.936T + 3T^{2} \)
11 \( 1 + 2.39iT - 11T^{2} \)
13 \( 1 + 2iT - 13T^{2} \)
17 \( 1 + 7.12iT - 17T^{2} \)
19 \( 1 + 2.39T + 19T^{2} \)
23 \( 1 - 5.73iT - 23T^{2} \)
29 \( 1 - 2T + 29T^{2} \)
31 \( 1 - 6.67T + 31T^{2} \)
37 \( 1 + 2T + 37T^{2} \)
41 \( 1 - 7.12iT - 41T^{2} \)
43 \( 1 - 7.60iT - 43T^{2} \)
47 \( 1 + 10.0T + 47T^{2} \)
53 \( 1 + 2T + 53T^{2} \)
59 \( 1 + 10.9T + 59T^{2} \)
61 \( 1 + 2iT - 61T^{2} \)
67 \( 1 - 14.2iT - 67T^{2} \)
71 \( 1 - 6.14iT - 71T^{2} \)
73 \( 1 + 9.36iT - 73T^{2} \)
79 \( 1 + 4.27iT - 79T^{2} \)
83 \( 1 + 0.936T + 83T^{2} \)
89 \( 1 - 12iT - 89T^{2} \)
97 \( 1 - 7.12iT - 97T^{2} \)
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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

−9.348682182720840869211069401146, −8.496327838252180805628852392962, −7.80197076956917607175948011071, −6.69071740725734071665748984253, −6.10653406410321726925333576272, −5.36052917361903359822969644109, −4.64744786378879609508638803341, −3.25449383255933261120266531512, −2.77817338383349115632459562878, −0.953113451549606412450749670396, 0.13944375179634199280380420981, 1.91930272147753124557716970056, 2.96565834590528914599729150789, 3.94383233251085799494912157879, 4.76901159839294380106452394082, 5.97124129191025717576138722469, 6.41744466654469954865765964491, 6.97442884109324865530293144400, 8.153096757334329590044951188967, 8.766740503599560559576869813741

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