Properties

Label 2-1620-9.5-c2-0-4
Degree $2$
Conductor $1620$
Sign $-0.996 - 0.0871i$
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  + (1.93 + 1.11i)5-s + (3.57 + 6.18i)7-s + (−2.20 + 1.27i)11-s + (−5.57 + 9.66i)13-s + 2.05i·17-s − 19.3·19-s + (−10.4 − 6.01i)23-s + (2.5 + 4.33i)25-s + (−19.3 + 11.1i)29-s + (−7.08 + 12.2i)31-s + 15.9i·35-s − 46.3·37-s + (15.0 + 8.70i)41-s + (−13.5 − 23.3i)43-s + (42.2 − 24.3i)47-s + ⋯
L(s)  = 1  + (0.387 + 0.223i)5-s + (0.510 + 0.884i)7-s + (−0.200 + 0.115i)11-s + (−0.429 + 0.743i)13-s + 0.121i·17-s − 1.01·19-s + (−0.453 − 0.261i)23-s + (0.100 + 0.173i)25-s + (−0.665 + 0.384i)29-s + (−0.228 + 0.395i)31-s + 0.456i·35-s − 1.25·37-s + (0.367 + 0.212i)41-s + (−0.314 − 0.544i)43-s + (0.898 − 0.519i)47-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1620 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.996 - 0.0871i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1620 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (-0.996 - 0.0871i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1620\)    =    \(2^{2} \cdot 3^{4} \cdot 5\)
Sign: $-0.996 - 0.0871i$
Analytic conductor: \(44.1418\)
Root analytic conductor: \(6.64392\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{1620} (701, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1620,\ (\ :1),\ -0.996 - 0.0871i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.7269169032\)
\(L(\frac12)\) \(\approx\) \(0.7269169032\)
\(L(2)\) 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 \( 1 + (-1.93 - 1.11i)T \)
good7 \( 1 + (-3.57 - 6.18i)T + (-24.5 + 42.4i)T^{2} \)
11 \( 1 + (2.20 - 1.27i)T + (60.5 - 104. i)T^{2} \)
13 \( 1 + (5.57 - 9.66i)T + (-84.5 - 146. i)T^{2} \)
17 \( 1 - 2.05iT - 289T^{2} \)
19 \( 1 + 19.3T + 361T^{2} \)
23 \( 1 + (10.4 + 6.01i)T + (264.5 + 458. i)T^{2} \)
29 \( 1 + (19.3 - 11.1i)T + (420.5 - 728. i)T^{2} \)
31 \( 1 + (7.08 - 12.2i)T + (-480.5 - 832. i)T^{2} \)
37 \( 1 + 46.3T + 1.36e3T^{2} \)
41 \( 1 + (-15.0 - 8.70i)T + (840.5 + 1.45e3i)T^{2} \)
43 \( 1 + (13.5 + 23.3i)T + (-924.5 + 1.60e3i)T^{2} \)
47 \( 1 + (-42.2 + 24.3i)T + (1.10e3 - 1.91e3i)T^{2} \)
53 \( 1 + 9.84iT - 2.80e3T^{2} \)
59 \( 1 + (76.1 + 43.9i)T + (1.74e3 + 3.01e3i)T^{2} \)
61 \( 1 + (29.9 + 51.8i)T + (-1.86e3 + 3.22e3i)T^{2} \)
67 \( 1 + (-3.85 + 6.68i)T + (-2.24e3 - 3.88e3i)T^{2} \)
71 \( 1 - 79.5iT - 5.04e3T^{2} \)
73 \( 1 + 6.01T + 5.32e3T^{2} \)
79 \( 1 + (-8.46 - 14.6i)T + (-3.12e3 + 5.40e3i)T^{2} \)
83 \( 1 + (-127. + 73.4i)T + (3.44e3 - 5.96e3i)T^{2} \)
89 \( 1 - 100. iT - 7.92e3T^{2} \)
97 \( 1 + (36.3 + 62.8i)T + (-4.70e3 + 8.14e3i)T^{2} \)
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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

−9.455026034841123933263980625821, −8.848947829971338031639125002052, −8.126299148722859952246518943258, −7.12228094171189521348378852322, −6.37286614704024017001610982622, −5.48000383873849278065571877790, −4.76128459296708504096715171398, −3.66918224098210086960058458915, −2.37267320673731032636108237991, −1.78181874066654047672686160884, 0.18029493307839095962707118944, 1.46818806092107756120806199081, 2.58073393229865040142740711618, 3.82178412339511229264686326792, 4.63447096126449324824040491595, 5.52266516335942224261654801656, 6.33441860634068595320440893142, 7.43690911785702022794016509491, 7.87309489118915182619953051343, 8.844612528849019816978947961073

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