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Properties

Label 2-48-16.11-c2-0-7
Degree $2$
Conductor $48$
Sign $-0.501 + 0.865i$
Analytic cond. $1.30790$
Root an. cond. $1.14363$
Motivic weight $2$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (0.455 − 1.94i)2-s + (−1.22 − 1.22i)3-s + (−3.58 − 1.77i)4-s + (−3.40 − 3.40i)5-s + (−2.94 + 1.82i)6-s + 12.1·7-s + (−5.08 + 6.17i)8-s + 2.99i·9-s + (−8.18 + 5.08i)10-s + (9.81 − 9.81i)11-s + (2.22 + 6.56i)12-s + (−7.76 + 7.76i)13-s + (5.51 − 23.6i)14-s + 8.34i·15-s + (9.71 + 12.7i)16-s + 9.73·17-s + ⋯
L(s)  = 1  + (0.227 − 0.973i)2-s + (−0.408 − 0.408i)3-s + (−0.896 − 0.443i)4-s + (−0.681 − 0.681i)5-s + (−0.490 + 0.304i)6-s + 1.73·7-s + (−0.635 + 0.772i)8-s + 0.333i·9-s + (−0.818 + 0.508i)10-s + (0.891 − 0.891i)11-s + (0.185 + 0.546i)12-s + (−0.597 + 0.597i)13-s + (0.394 − 1.68i)14-s + 0.556i·15-s + (0.607 + 0.794i)16-s + 0.572·17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 48 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.501 + 0.865i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 48 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (-0.501 + 0.865i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(48\)    =    \(2^{4} \cdot 3\)
Sign: $-0.501 + 0.865i$
Analytic conductor: \(1.30790\)
Root analytic conductor: \(1.14363\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{48} (43, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 48,\ (\ :1),\ -0.501 + 0.865i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.522536 - 0.906932i\)
\(L(\frac12)\) \(\approx\) \(0.522536 - 0.906932i\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (-0.455 + 1.94i)T \)
3 \( 1 + (1.22 + 1.22i)T \)
good5 \( 1 + (3.40 + 3.40i)T + 25iT^{2} \)
7 \( 1 - 12.1T + 49T^{2} \)
11 \( 1 + (-9.81 + 9.81i)T - 121iT^{2} \)
13 \( 1 + (7.76 - 7.76i)T - 169iT^{2} \)
17 \( 1 - 9.73T + 289T^{2} \)
19 \( 1 + (-11.2 - 11.2i)T + 361iT^{2} \)
23 \( 1 + 20.2T + 529T^{2} \)
29 \( 1 + (16.4 - 16.4i)T - 841iT^{2} \)
31 \( 1 - 26.3iT - 961T^{2} \)
37 \( 1 + (23.7 + 23.7i)T + 1.36e3iT^{2} \)
41 \( 1 - 24.7iT - 1.68e3T^{2} \)
43 \( 1 + (-29.8 + 29.8i)T - 1.84e3iT^{2} \)
47 \( 1 - 31.3iT - 2.20e3T^{2} \)
53 \( 1 + (-36.8 - 36.8i)T + 2.80e3iT^{2} \)
59 \( 1 + (14.1 - 14.1i)T - 3.48e3iT^{2} \)
61 \( 1 + (42.5 - 42.5i)T - 3.72e3iT^{2} \)
67 \( 1 + (-48.7 - 48.7i)T + 4.48e3iT^{2} \)
71 \( 1 - 7.73T + 5.04e3T^{2} \)
73 \( 1 + 85.4iT - 5.32e3T^{2} \)
79 \( 1 + 105. iT - 6.24e3T^{2} \)
83 \( 1 + (62.1 + 62.1i)T + 6.88e3iT^{2} \)
89 \( 1 - 127. iT - 7.92e3T^{2} \)
97 \( 1 + 147.T + 9.40e3T^{2} \)
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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

−14.53629879934108302577156810693, −13.94205703712406635852074249465, −12.11794158803237915818573461782, −11.87619527306698280876188132468, −10.76003845647703277546485909721, −8.926500160787073118317282029120, −7.85518945540525527385235323285, −5.44705190007040149561065731620, −4.18875414088002136895591747798, −1.38414053555612297403574408004, 4.10867673311570854249237111966, 5.32194229187139031195679806999, 7.15309427592625951540581974727, 8.048248649426349862430703702616, 9.729414536731168307688916640181, 11.32286415329425566198341477206, 12.18805912443162290070164843715, 14.09655152448583194537013843331, 14.91304078762027893065935441593, 15.43867488704754338035928274037

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