Properties

Label 2-1620-5.4-c1-0-23
Degree $2$
Conductor $1620$
Sign $-0.819 + 0.573i$
Analytic cond. $12.9357$
Root an. cond. $3.59663$
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  + (1.83 − 1.28i)5-s − 3.76i·7-s − 3.54·11-s − 1.00i·13-s + 1.56i·17-s − 7.21·19-s − 6.18i·23-s + (1.71 − 4.69i)25-s + 3·29-s − 5.78·31-s + (−4.83 − 6.90i)35-s + 0.851i·37-s − 3.11·41-s + 2.70i·43-s + 9.74i·47-s + ⋯
L(s)  = 1  + (0.819 − 0.573i)5-s − 1.42i·7-s − 1.06·11-s − 0.278i·13-s + 0.378i·17-s − 1.65·19-s − 1.28i·23-s + (0.342 − 0.939i)25-s + 0.557·29-s − 1.03·31-s + (−0.816 − 1.16i)35-s + 0.139i·37-s − 0.487·41-s + 0.412i·43-s + 1.42i·47-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1620 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.819 + 0.573i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1620 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.819 + 0.573i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1620\)    =    \(2^{2} \cdot 3^{4} \cdot 5\)
Sign: $-0.819 + 0.573i$
Analytic conductor: \(12.9357\)
Root analytic conductor: \(3.59663\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1620} (649, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1620,\ (\ :1/2),\ -0.819 + 0.573i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.166514991\)
\(L(\frac12)\) \(\approx\) \(1.166514991\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 \)
5 \( 1 + (-1.83 + 1.28i)T \)
good7 \( 1 + 3.76iT - 7T^{2} \)
11 \( 1 + 3.54T + 11T^{2} \)
13 \( 1 + 1.00iT - 13T^{2} \)
17 \( 1 - 1.56iT - 17T^{2} \)
19 \( 1 + 7.21T + 19T^{2} \)
23 \( 1 + 6.18iT - 23T^{2} \)
29 \( 1 - 3T + 29T^{2} \)
31 \( 1 + 5.78T + 31T^{2} \)
37 \( 1 - 0.851iT - 37T^{2} \)
41 \( 1 + 3.11T + 41T^{2} \)
43 \( 1 - 2.70iT - 43T^{2} \)
47 \( 1 - 9.74iT - 47T^{2} \)
53 \( 1 - 11.2iT - 53T^{2} \)
59 \( 1 - 9.66T + 59T^{2} \)
61 \( 1 + 8.21T + 61T^{2} \)
67 \( 1 + 2.91iT - 67T^{2} \)
71 \( 1 - 7.21T + 71T^{2} \)
73 \( 1 + 16.7iT - 73T^{2} \)
79 \( 1 + 10.9T + 79T^{2} \)
83 \( 1 + 10.1iT - 83T^{2} \)
89 \( 1 - 5.33T + 89T^{2} \)
97 \( 1 + 3.86iT - 97T^{2} \)
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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

−9.020224289299495146633728087955, −8.289444929027238244758276958184, −7.55704190738873293107806243714, −6.57093031215336881986410635424, −5.89370124301001679012283220094, −4.74623316190789654542311940349, −4.26304822690885536934897831696, −2.88913319805570886551325435049, −1.75728708931563229761306017033, −0.40961284485859985984533296879, 2.01030207605220562837040614207, 2.48353746806309346876229104173, 3.62551841075756196207728543359, 5.14609064625159213449900165663, 5.53267496956680947402083318046, 6.42992573299776805143497800149, 7.20091229306815449313799266672, 8.326673054345742412300324565809, 8.894414380694111964237976383703, 9.733842466178367633172766833341

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