Properties

Label 2-2240-28.27-c1-0-5
Degree $2$
Conductor $2240$
Sign $-0.570 - 0.821i$
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  − 3.02·3-s i·5-s + (−2.17 + 1.51i)7-s + 6.12·9-s + 4.71i·11-s − 2i·13-s + 3.02i·15-s + 1.12i·17-s + 4.71·19-s + (6.56 − 4.56i)21-s − 6.41i·23-s − 25-s − 9.43·27-s + 2·29-s − 3.39·31-s + ⋯
L(s)  = 1  − 1.74·3-s − 0.447i·5-s + (−0.821 + 0.570i)7-s + 2.04·9-s + 1.42i·11-s − 0.554i·13-s + 0.779i·15-s + 0.272i·17-s + 1.08·19-s + (1.43 − 0.995i)21-s − 1.33i·23-s − 0.200·25-s − 1.81·27-s + 0.371·29-s − 0.609·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2240 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.570 - 0.821i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2240 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.570 - 0.821i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2240\)    =    \(2^{6} \cdot 5 \cdot 7\)
Sign: $-0.570 - 0.821i$
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: \((2,\ 2240,\ (\ :1/2),\ -0.570 - 0.821i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.3901567438\)
\(L(\frac12)\) \(\approx\) \(0.3901567438\)
\(L(\frac{3}{2})\) 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 \( 1 + (2.17 - 1.51i)T \)
good3 \( 1 + 3.02T + 3T^{2} \)
11 \( 1 - 4.71iT - 11T^{2} \)
13 \( 1 + 2iT - 13T^{2} \)
17 \( 1 - 1.12iT - 17T^{2} \)
19 \( 1 - 4.71T + 19T^{2} \)
23 \( 1 + 6.41iT - 23T^{2} \)
29 \( 1 - 2T + 29T^{2} \)
31 \( 1 + 3.39T + 31T^{2} \)
37 \( 1 + 2T + 37T^{2} \)
41 \( 1 + 1.12iT - 41T^{2} \)
43 \( 1 + 0.371iT - 43T^{2} \)
47 \( 1 - 5.08T + 47T^{2} \)
53 \( 1 + 2T + 53T^{2} \)
59 \( 1 - 2.06T + 59T^{2} \)
61 \( 1 + 2iT - 61T^{2} \)
67 \( 1 + 3.76iT - 67T^{2} \)
71 \( 1 - 7.36iT - 71T^{2} \)
73 \( 1 - 15.3iT - 73T^{2} \)
79 \( 1 + 1.32iT - 79T^{2} \)
83 \( 1 + 3.02T + 83T^{2} \)
89 \( 1 - 12iT - 89T^{2} \)
97 \( 1 + 1.12iT - 97T^{2} \)
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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

−9.603370333969818802252240933890, −8.615384707663902352171055494019, −7.45303071895021553723253285389, −6.82188149479723319307580435286, −6.09035613438707315368023989570, −5.34619133990266377652109212023, −4.81608253588890423218619148251, −3.84729724808249705906702477725, −2.38807377598615793810661406788, −1.02782768039119822552053321600, 0.22512145870729395016356377901, 1.29961981988691068308088171071, 3.13088492225345527491572461518, 3.87540614197770825957108875254, 4.99616782994290863821122391344, 5.79465206003779373298601196660, 6.24629992858632078786866359561, 7.08007968523879521364835856630, 7.59031013409051442404826463842, 8.986705321533615209434557231193

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