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Properties

Label 2-220-44.43-c1-0-19
Degree $2$
Conductor $220$
Sign $0.614 + 0.788i$
Analytic cond. $1.75670$
Root an. cond. $1.32540$
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  + (1.32 + 0.5i)2-s − 3.25i·3-s + (1.50 + 1.32i)4-s − 5-s + (1.62 − 4.31i)6-s + 3.25·7-s + (1.32 + 2.50i)8-s − 7.62·9-s + (−1.32 − 0.5i)10-s + (−3.25 − 0.613i)11-s + (4.31 − 4.88i)12-s − 2i·13-s + (4.31 + 1.62i)14-s + 3.25i·15-s + (0.500 + 3.96i)16-s + 4.62i·17-s + ⋯
L(s)  = 1  + (0.935 + 0.353i)2-s − 1.88i·3-s + (0.750 + 0.661i)4-s − 0.447·5-s + (0.665 − 1.76i)6-s + 1.23·7-s + (0.467 + 0.883i)8-s − 2.54·9-s + (−0.418 − 0.158i)10-s + (−0.982 − 0.185i)11-s + (1.24 − 1.41i)12-s − 0.554i·13-s + (1.15 + 0.435i)14-s + 0.841i·15-s + (0.125 + 0.992i)16-s + 1.12i·17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 220 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.614 + 0.788i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 220 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.614 + 0.788i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(220\)    =    \(2^{2} \cdot 5 \cdot 11\)
Sign: $0.614 + 0.788i$
Analytic conductor: \(1.75670\)
Root analytic conductor: \(1.32540\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{220} (131, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 220,\ (\ :1/2),\ 0.614 + 0.788i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.78336 - 0.871180i\)
\(L(\frac12)\) \(\approx\) \(1.78336 - 0.871180i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (-1.32 - 0.5i)T \)
5 \( 1 + T \)
11 \( 1 + (3.25 + 0.613i)T \)
good3 \( 1 + 3.25iT - 3T^{2} \)
7 \( 1 - 3.25T + 7T^{2} \)
13 \( 1 + 2iT - 13T^{2} \)
17 \( 1 - 4.62iT - 17T^{2} \)
19 \( 1 - 4.48T + 19T^{2} \)
23 \( 1 - 1.22iT - 23T^{2} \)
29 \( 1 - 2.62iT - 29T^{2} \)
31 \( 1 + 3.25iT - 31T^{2} \)
37 \( 1 + 4.62T + 37T^{2} \)
41 \( 1 - 8iT - 41T^{2} \)
43 \( 1 + 1.22T + 43T^{2} \)
47 \( 1 - 1.22iT - 47T^{2} \)
53 \( 1 - 0.623T + 53T^{2} \)
59 \( 1 + 11.8iT - 59T^{2} \)
61 \( 1 - 1.37iT - 61T^{2} \)
67 \( 1 + 7.74iT - 67T^{2} \)
71 \( 1 + 9.77iT - 71T^{2} \)
73 \( 1 - 2iT - 73T^{2} \)
79 \( 1 + 13.0T + 79T^{2} \)
83 \( 1 - 7.74T + 83T^{2} \)
89 \( 1 + 8.62T + 89T^{2} \)
97 \( 1 - 2T + 97T^{2} \)
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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

−12.39989906913171091078596813584, −11.54054804689107614936151577057, −10.88536096817585846153922142567, −8.269754569128967358484769619275, −7.979492021922620147389115549624, −7.17677541885734315528082546795, −5.95300773174431302099646653892, −5.06489199016063625816894201352, −3.11865084233265932113536114836, −1.70978324994814382881067450747, 2.74383231450438970825911793480, 4.01466500307527323203232538551, 4.92241595564743753445556218881, 5.41627949932870405380881235136, 7.38799591666624588378974050441, 8.714168302657228923200763224853, 9.876963020557198987239935058527, 10.65951626606990062048000207554, 11.43179696174132385680223727739, 11.98298095829563273623736078243

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