Properties

Label 2-420-105.104-c1-0-2
Degree $2$
Conductor $420$
Sign $-0.338 - 0.940i$
Analytic cond. $3.35371$
Root an. cond. $1.83131$
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  + (−1.62 + 0.586i)3-s + 2.23i·5-s + 2.64·7-s + (2.31 − 1.91i)9-s + 0.359i·11-s − 4.48·13-s + (−1.31 − 3.64i)15-s + 7.99i·17-s + (−4.31 + 1.55i)21-s − 5.00·25-s + (−2.64 + 4.47i)27-s + 10.7i·29-s + (−0.211 − 0.586i)33-s + 5.91i·35-s + (7.31 − 2.63i)39-s + ⋯
L(s)  = 1  + (−0.940 + 0.338i)3-s + 0.999i·5-s + 0.999·7-s + (0.770 − 0.637i)9-s + 0.108i·11-s − 1.24·13-s + (−0.338 − 0.940i)15-s + 1.93i·17-s + (−0.940 + 0.338i)21-s − 1.00·25-s + (−0.509 + 0.860i)27-s + 1.99i·29-s + (−0.0367 − 0.102i)33-s + 0.999i·35-s + (1.17 − 0.421i)39-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 420 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.338 - 0.940i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 420 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.338 - 0.940i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(420\)    =    \(2^{2} \cdot 3 \cdot 5 \cdot 7\)
Sign: $-0.338 - 0.940i$
Analytic conductor: \(3.35371\)
Root analytic conductor: \(1.83131\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{420} (209, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 420,\ (\ :1/2),\ -0.338 - 0.940i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.531258 + 0.755862i\)
\(L(\frac12)\) \(\approx\) \(0.531258 + 0.755862i\)
\(L(\frac{3}{2})\) 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 \( 1 + (1.62 - 0.586i)T \)
5 \( 1 - 2.23iT \)
7 \( 1 - 2.64T \)
good11 \( 1 - 0.359iT - 11T^{2} \)
13 \( 1 + 4.48T + 13T^{2} \)
17 \( 1 - 7.99iT - 17T^{2} \)
19 \( 1 - 19T^{2} \)
23 \( 1 + 23T^{2} \)
29 \( 1 - 10.7iT - 29T^{2} \)
31 \( 1 - 31T^{2} \)
37 \( 1 - 37T^{2} \)
41 \( 1 + 41T^{2} \)
43 \( 1 - 43T^{2} \)
47 \( 1 + 12.4iT - 47T^{2} \)
53 \( 1 + 53T^{2} \)
59 \( 1 + 59T^{2} \)
61 \( 1 - 61T^{2} \)
67 \( 1 - 67T^{2} \)
71 \( 1 - 11.8iT - 71T^{2} \)
73 \( 1 + 10.5T + 73T^{2} \)
79 \( 1 - 15.8T + 79T^{2} \)
83 \( 1 + 8.94iT - 83T^{2} \)
89 \( 1 + 89T^{2} \)
97 \( 1 - 15.0T + 97T^{2} \)
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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

−11.36186430825518251535234910239, −10.50859568825146829537452962402, −10.16360456208305117395380690708, −8.765687200214263594023939302505, −7.55899530893877828887470582456, −6.78745043236790453802561003971, −5.71579523267151009112987626104, −4.77383293807394173205268387165, −3.62700080305182896193176403833, −1.87378073184795797759308463195, 0.67729591294032374535544104254, 2.23295601653530506858218155395, 4.57113516785798083741126238156, 4.94193439259335987969446788672, 5.98210089560113108017988785780, 7.38905208731705342118830072600, 7.88616775502129990580191533486, 9.228337683729837511148001070910, 9.987964664589917021664485546433, 11.25700997649800145010296978329

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