Properties

Label 2-48-4.3-c4-0-0
Degree $2$
Conductor $48$
Sign $-0.866 - 0.499i$
Analytic cond. $4.96175$
Root an. cond. $2.22750$
Motivic weight $4$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 5.19i·3-s − 42·5-s + 76.2i·7-s − 27·9-s − 20.7i·11-s − 182·13-s + 218. i·15-s − 246·17-s − 117. i·19-s + 396·21-s − 748. i·23-s + 1.13e3·25-s + 140. i·27-s + 78·29-s + 1.47e3i·31-s + ⋯
L(s)  = 1  − 0.577i·3-s − 1.67·5-s + 1.55i·7-s − 0.333·9-s − 0.171i·11-s − 1.07·13-s + 0.969i·15-s − 0.851·17-s − 0.326i·19-s + 0.897·21-s − 1.41i·23-s + 1.82·25-s + 0.192i·27-s + 0.0927·29-s + 1.53i·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 48 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.866 - 0.499i)\, \overline{\Lambda}(5-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 48 ^{s/2} \, \Gamma_{\C}(s+2) \, L(s)\cr =\mathstrut & (-0.866 - 0.499i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(48\)    =    \(2^{4} \cdot 3\)
Sign: $-0.866 - 0.499i$
Analytic conductor: \(4.96175\)
Root analytic conductor: \(2.22750\)
Motivic weight: \(4\)
Rational: no
Arithmetic: yes
Character: $\chi_{48} (31, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 48,\ (\ :2),\ -0.866 - 0.499i)\)

Particular Values

\(L(\frac{5}{2})\) \(\approx\) \(0.0533205 + 0.198994i\)
\(L(\frac12)\) \(\approx\) \(0.0533205 + 0.198994i\)
\(L(3)\) 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 \( 1 + 5.19iT \)
good5 \( 1 + 42T + 625T^{2} \)
7 \( 1 - 76.2iT - 2.40e3T^{2} \)
11 \( 1 + 20.7iT - 1.46e4T^{2} \)
13 \( 1 + 182T + 2.85e4T^{2} \)
17 \( 1 + 246T + 8.35e4T^{2} \)
19 \( 1 + 117. iT - 1.30e5T^{2} \)
23 \( 1 + 748. iT - 2.79e5T^{2} \)
29 \( 1 - 78T + 7.07e5T^{2} \)
31 \( 1 - 1.47e3iT - 9.23e5T^{2} \)
37 \( 1 - 530T + 1.87e6T^{2} \)
41 \( 1 + 918T + 2.82e6T^{2} \)
43 \( 1 + 852. iT - 3.41e6T^{2} \)
47 \( 1 - 3.78e3iT - 4.87e6T^{2} \)
53 \( 1 + 4.62e3T + 7.89e6T^{2} \)
59 \( 1 + 228. iT - 1.21e7T^{2} \)
61 \( 1 - 1.34e3T + 1.38e7T^{2} \)
67 \( 1 - 1.08e3iT - 2.01e7T^{2} \)
71 \( 1 + 1.82e3iT - 2.54e7T^{2} \)
73 \( 1 + 926T + 2.83e7T^{2} \)
79 \( 1 + 4.39e3iT - 3.89e7T^{2} \)
83 \( 1 - 1.19e4iT - 4.74e7T^{2} \)
89 \( 1 - 1.15e4T + 6.27e7T^{2} \)
97 \( 1 + 1.31e4T + 8.85e7T^{2} \)
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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

−15.37583898284340874073567323191, −14.51395582617085866355526371091, −12.57659196562779654766983422145, −12.11788520647609452952830611026, −11.06364021271221638172635984402, −8.949942189045713755909385347229, −8.040285422325152285462884953920, −6.68722556865995270354279333798, −4.80562169706109947135752656155, −2.74842984673848806790974174259, 0.12304026133366934218400926097, 3.67978856994224562271665549233, 4.59785358008756302741252094972, 7.13957588837042510243482604504, 7.969066972312479192441174093380, 9.737689325801028331617424946321, 10.96605336005405003038884619459, 11.82252072088480578314322528708, 13.31788979148204115279696810690, 14.69813388049315739565035186947

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