Properties

Label 2-1620-15.14-c2-0-1
Degree $2$
Conductor $1620$
Sign $-0.969 + 0.243i$
Analytic cond. $44.1418$
Root an. cond. $6.64392$
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  + (−1.21 − 4.84i)5-s + 11.5i·7-s + 15.2i·11-s + 17.0i·13-s + 10.4·17-s − 23.1·19-s − 13.9·23-s + (−22.0 + 11.8i)25-s − 44.8i·29-s + 5.44·31-s + (55.7 − 14.0i)35-s − 50.7i·37-s − 42.6i·41-s + 6.14i·43-s − 32.0·47-s + ⋯
L(s)  = 1  + (−0.243 − 0.969i)5-s + 1.64i·7-s + 1.38i·11-s + 1.31i·13-s + 0.613·17-s − 1.21·19-s − 0.607·23-s + (−0.881 + 0.472i)25-s − 1.54i·29-s + 0.175·31-s + (1.59 − 0.400i)35-s − 1.37i·37-s − 1.04i·41-s + 0.142i·43-s − 0.682·47-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1620 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.969 + 0.243i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1620 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (-0.969 + 0.243i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1620\)    =    \(2^{2} \cdot 3^{4} \cdot 5\)
Sign: $-0.969 + 0.243i$
Analytic conductor: \(44.1418\)
Root analytic conductor: \(6.64392\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{1620} (809, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1620,\ (\ :1),\ -0.969 + 0.243i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.3157246056\)
\(L(\frac12)\) \(\approx\) \(0.3157246056\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 \)
5 \( 1 + (1.21 + 4.84i)T \)
good7 \( 1 - 11.5iT - 49T^{2} \)
11 \( 1 - 15.2iT - 121T^{2} \)
13 \( 1 - 17.0iT - 169T^{2} \)
17 \( 1 - 10.4T + 289T^{2} \)
19 \( 1 + 23.1T + 361T^{2} \)
23 \( 1 + 13.9T + 529T^{2} \)
29 \( 1 + 44.8iT - 841T^{2} \)
31 \( 1 - 5.44T + 961T^{2} \)
37 \( 1 + 50.7iT - 1.36e3T^{2} \)
41 \( 1 + 42.6iT - 1.68e3T^{2} \)
43 \( 1 - 6.14iT - 1.84e3T^{2} \)
47 \( 1 + 32.0T + 2.20e3T^{2} \)
53 \( 1 - 16.7T + 2.80e3T^{2} \)
59 \( 1 - 19.5iT - 3.48e3T^{2} \)
61 \( 1 - 6.59T + 3.72e3T^{2} \)
67 \( 1 + 35.5iT - 4.48e3T^{2} \)
71 \( 1 - 65.5iT - 5.04e3T^{2} \)
73 \( 1 + 104. iT - 5.32e3T^{2} \)
79 \( 1 + 150.T + 6.24e3T^{2} \)
83 \( 1 + 81.4T + 6.88e3T^{2} \)
89 \( 1 + 14.3iT - 7.92e3T^{2} \)
97 \( 1 + 26.8iT - 9.40e3T^{2} \)
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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

−9.430187772260904441034167696999, −8.915355455654324557406119342741, −8.221818623782906972991468710403, −7.33276819521069428735063683079, −6.25670335389427615604565149704, −5.56117030813241029656105140090, −4.60567743239365140950759482992, −4.02130634381681041126306871417, −2.30784182019987530311383108666, −1.82598980610013578801327305851, 0.086972295036330105246239051006, 1.20938512685302902777986279465, 2.99274793328313672789231782614, 3.46283995114875205046262949940, 4.40652436718268635572851964768, 5.64035967714144431619142697655, 6.47363259394888261971218711359, 7.15588043260133314962426646065, 8.033926964971310991863096178564, 8.437386369948228540358248319737

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