Properties

Label 2-45-5.4-c1-0-1
Degree $2$
Conductor $45$
Sign $i$
Analytic cond. $0.359326$
Root an. cond. $0.599438$
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  − 2.23i·2-s − 3.00·4-s + 2.23i·5-s + 2.23i·8-s + 5.00·10-s − 0.999·16-s + 4.47i·17-s − 4·19-s − 6.70i·20-s − 8.94i·23-s − 5.00·25-s + 8·31-s + 6.70i·32-s + 10.0·34-s + 8.94i·38-s + ⋯
L(s)  = 1  − 1.58i·2-s − 1.50·4-s + 0.999i·5-s + 0.790i·8-s + 1.58·10-s − 0.249·16-s + 1.08i·17-s − 0.917·19-s − 1.50i·20-s − 1.86i·23-s − 1.00·25-s + 1.43·31-s + 1.18i·32-s + 1.71·34-s + 1.45i·38-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 45 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & i\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 45 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & i\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(45\)    =    \(3^{2} \cdot 5\)
Sign: $i$
Analytic conductor: \(0.359326\)
Root analytic conductor: \(0.599438\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{45} (19, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 45,\ (\ :1/2),\ i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.541744 - 0.541744i\)
\(L(\frac12)\) \(\approx\) \(0.541744 - 0.541744i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
5 \( 1 - 2.23iT \)
good2 \( 1 + 2.23iT - 2T^{2} \)
7 \( 1 - 7T^{2} \)
11 \( 1 + 11T^{2} \)
13 \( 1 - 13T^{2} \)
17 \( 1 - 4.47iT - 17T^{2} \)
19 \( 1 + 4T + 19T^{2} \)
23 \( 1 + 8.94iT - 23T^{2} \)
29 \( 1 + 29T^{2} \)
31 \( 1 - 8T + 31T^{2} \)
37 \( 1 - 37T^{2} \)
41 \( 1 + 41T^{2} \)
43 \( 1 - 43T^{2} \)
47 \( 1 + 8.94iT - 47T^{2} \)
53 \( 1 - 4.47iT - 53T^{2} \)
59 \( 1 + 59T^{2} \)
61 \( 1 - 2T + 61T^{2} \)
67 \( 1 - 67T^{2} \)
71 \( 1 + 71T^{2} \)
73 \( 1 - 73T^{2} \)
79 \( 1 + 16T + 79T^{2} \)
83 \( 1 - 17.8iT - 83T^{2} \)
89 \( 1 + 89T^{2} \)
97 \( 1 - 97T^{2} \)
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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

−15.31086366215355683397844908499, −14.18964599311887806872946724336, −12.96574043565923018826779476430, −11.92843380880703408712681539674, −10.71802248997556069743590768513, −10.18166894925267983021659200493, −8.529513714199935388900375216623, −6.52566376180141557577636495203, −4.10424053282794606423576741067, −2.49439517148849264400889437608, 4.63076666346438307078059690242, 5.84873109781954041807523169102, 7.36447877954871795658687378464, 8.506199327349381512983870230050, 9.570850536528072839705758819793, 11.66876266699699984465493727952, 13.15723379959748243640876161274, 14.03829554572186610771548305855, 15.39860978254693558799803182116, 16.04425621665513637432335881101

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