Properties

Label 2-55-55.17-c1-0-2
Degree $2$
Conductor $55$
Sign $0.877 + 0.479i$
Analytic cond. $0.439177$
Root an. cond. $0.662704$
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  + (−0.513 − 0.261i)2-s + (0.760 − 0.120i)3-s + (−0.980 − 1.34i)4-s + (2.23 − 0.0653i)5-s + (−0.421 − 0.136i)6-s + (−0.186 + 1.17i)7-s + (0.330 + 2.08i)8-s + (−2.28 + 0.743i)9-s + (−1.16 − 0.550i)10-s + (−0.502 − 3.27i)11-s + (−0.908 − 0.908i)12-s + (−2.75 + 5.41i)13-s + (0.403 − 0.555i)14-s + (1.69 − 0.318i)15-s + (−0.655 + 2.01i)16-s + (0.168 + 0.330i)17-s + ⋯
L(s)  = 1  + (−0.362 − 0.184i)2-s + (0.438 − 0.0695i)3-s + (−0.490 − 0.674i)4-s + (0.999 − 0.0292i)5-s + (−0.172 − 0.0559i)6-s + (−0.0705 + 0.445i)7-s + (0.116 + 0.737i)8-s + (−0.763 + 0.247i)9-s + (−0.368 − 0.174i)10-s + (−0.151 − 0.988i)11-s + (−0.262 − 0.262i)12-s + (−0.765 + 1.50i)13-s + (0.107 − 0.148i)14-s + (0.436 − 0.0823i)15-s + (−0.163 + 0.504i)16-s + (0.0408 + 0.0801i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 55 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.877 + 0.479i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 55 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.877 + 0.479i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(55\)    =    \(5 \cdot 11\)
Sign: $0.877 + 0.479i$
Analytic conductor: \(0.439177\)
Root analytic conductor: \(0.662704\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{55} (17, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 55,\ (\ :1/2),\ 0.877 + 0.479i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.767489 - 0.195867i\)
\(L(\frac12)\) \(\approx\) \(0.767489 - 0.195867i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad5 \( 1 + (-2.23 + 0.0653i)T \)
11 \( 1 + (0.502 + 3.27i)T \)
good2 \( 1 + (0.513 + 0.261i)T + (1.17 + 1.61i)T^{2} \)
3 \( 1 + (-0.760 + 0.120i)T + (2.85 - 0.927i)T^{2} \)
7 \( 1 + (0.186 - 1.17i)T + (-6.65 - 2.16i)T^{2} \)
13 \( 1 + (2.75 - 5.41i)T + (-7.64 - 10.5i)T^{2} \)
17 \( 1 + (-0.168 - 0.330i)T + (-9.99 + 13.7i)T^{2} \)
19 \( 1 + (1.11 + 0.809i)T + (5.87 + 18.0i)T^{2} \)
23 \( 1 + (-3.48 + 3.48i)T - 23iT^{2} \)
29 \( 1 + (-4.95 + 3.60i)T + (8.96 - 27.5i)T^{2} \)
31 \( 1 + (0.764 + 2.35i)T + (-25.0 + 18.2i)T^{2} \)
37 \( 1 + (2.93 + 0.465i)T + (35.1 + 11.4i)T^{2} \)
41 \( 1 + (3.60 - 4.95i)T + (-12.6 - 38.9i)T^{2} \)
43 \( 1 + (6.75 + 6.75i)T + 43iT^{2} \)
47 \( 1 + (0.199 + 1.26i)T + (-44.6 + 14.5i)T^{2} \)
53 \( 1 + (0.363 + 0.185i)T + (31.1 + 42.8i)T^{2} \)
59 \( 1 + (0.110 + 0.151i)T + (-18.2 + 56.1i)T^{2} \)
61 \( 1 + (0.649 + 0.211i)T + (49.3 + 35.8i)T^{2} \)
67 \( 1 + (-7.14 - 7.14i)T + 67iT^{2} \)
71 \( 1 + (-0.319 + 0.983i)T + (-57.4 - 41.7i)T^{2} \)
73 \( 1 + (4.51 + 0.715i)T + (69.4 + 22.5i)T^{2} \)
79 \( 1 + (3.59 + 11.0i)T + (-63.9 + 46.4i)T^{2} \)
83 \( 1 + (-10.1 + 5.16i)T + (48.7 - 67.1i)T^{2} \)
89 \( 1 - 8.04iT - 89T^{2} \)
97 \( 1 + (3.83 - 7.52i)T + (-57.0 - 78.4i)T^{2} \)
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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

−14.86637735715550441357073181691, −14.08178260826312105661652051769, −13.40463427409499280812466599298, −11.63697805215827628259738498649, −10.38967898743068641538431323318, −9.192513447439731936749690187327, −8.574569381147008223696247611439, −6.33697028836350616658316391568, −5.07695155006679707522361662820, −2.33585851796872187937261904254, 3.06776956194270685861345794717, 5.14512056402110959283836608049, 7.06164199751535296062940296713, 8.310391446766748147252574655422, 9.484992858112086209732425645312, 10.35507176867738924062927099307, 12.35018312988895599195886852198, 13.21267599197319831998639991783, 14.25666724935322634046424420542, 15.33665710256822567967228509308

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