Properties

Label 2-2240-5.4-c1-0-47
Degree $2$
Conductor $2240$
Sign $-0.447 + 0.894i$
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  i·3-s + (−2 − i)5-s + i·7-s + 2·9-s − 11-s i·13-s + (−1 + 2i)15-s − 3i·17-s + 4·19-s + 21-s + 2i·23-s + (3 + 4i)25-s − 5i·27-s − 29-s + 6·31-s + ⋯
L(s)  = 1  − 0.577i·3-s + (−0.894 − 0.447i)5-s + 0.377i·7-s + 0.666·9-s − 0.301·11-s − 0.277i·13-s + (−0.258 + 0.516i)15-s − 0.727i·17-s + 0.917·19-s + 0.218·21-s + 0.417i·23-s + (0.600 + 0.800i)25-s − 0.962i·27-s − 0.185·29-s + 1.07·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2240 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.447 + 0.894i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2240 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.447 + 0.894i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2240\)    =    \(2^{6} \cdot 5 \cdot 7\)
Sign: $-0.447 + 0.894i$
Analytic conductor: \(17.8864\)
Root analytic conductor: \(4.22924\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{2240} (449, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 2240,\ (\ :1/2),\ -0.447 + 0.894i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.247734096\)
\(L(\frac12)\) \(\approx\) \(1.247734096\)
\(L(\frac{3}{2})\) 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 \( 1 + (2 + i)T \)
7 \( 1 - iT \)
good3 \( 1 + iT - 3T^{2} \)
11 \( 1 + T + 11T^{2} \)
13 \( 1 + iT - 13T^{2} \)
17 \( 1 + 3iT - 17T^{2} \)
19 \( 1 - 4T + 19T^{2} \)
23 \( 1 - 2iT - 23T^{2} \)
29 \( 1 + T + 29T^{2} \)
31 \( 1 - 6T + 31T^{2} \)
37 \( 1 + 2iT - 37T^{2} \)
41 \( 1 + 10T + 41T^{2} \)
43 \( 1 - 43T^{2} \)
47 \( 1 + 9iT - 47T^{2} \)
53 \( 1 + 14iT - 53T^{2} \)
59 \( 1 + 6T + 59T^{2} \)
61 \( 1 - 4T + 61T^{2} \)
67 \( 1 - 10iT - 67T^{2} \)
71 \( 1 - 16T + 71T^{2} \)
73 \( 1 + 10iT - 73T^{2} \)
79 \( 1 + 11T + 79T^{2} \)
83 \( 1 + 4iT - 83T^{2} \)
89 \( 1 + 12T + 89T^{2} \)
97 \( 1 + 19iT - 97T^{2} \)
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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

−8.542424547030526254761347178488, −8.025460007028469154778905167366, −7.24417849806341420839282060698, −6.73101850042924224945473979757, −5.46269164017415978342635047579, −4.88436179121503404212263908218, −3.84390421675141423186622724740, −2.93048892982389089818352807581, −1.65999599518093312425907452823, −0.48688561812222967842279542421, 1.24113238503267741471942582820, 2.79199601537814098102097314574, 3.68700826587071253205425586498, 4.35083301824026702807948461899, 5.07564597879093575582859771829, 6.31319940054283498488125816837, 7.02426268440400503282985943107, 7.76250499372321739481278893558, 8.393090239070038574813464941167, 9.420317614107810252822301409860

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