Properties

Label 2-43-43.42-c8-0-21
Degree $2$
Conductor $43$
Sign $-0.171 + 0.985i$
Analytic cond. $17.5172$
Root an. cond. $4.18536$
Motivic weight $8$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 11.2i·2-s − 77.9i·3-s + 129.·4-s − 278. i·5-s + 875.·6-s − 3.16e3i·7-s + 4.33e3i·8-s + 479.·9-s + 3.12e3·10-s − 1.63e4·11-s − 1.01e4i·12-s − 529.·13-s + 3.54e4·14-s − 2.16e4·15-s − 1.53e4·16-s − 1.22e5·17-s + ⋯
L(s)  = 1  + 0.701i·2-s − 0.962i·3-s + 0.507·4-s − 0.444i·5-s + 0.675·6-s − 1.31i·7-s + 1.05i·8-s + 0.0730·9-s + 0.312·10-s − 1.11·11-s − 0.488i·12-s − 0.0185·13-s + 0.923·14-s − 0.428·15-s − 0.234·16-s − 1.46·17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 43 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.171 + 0.985i)\, \overline{\Lambda}(9-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 43 ^{s/2} \, \Gamma_{\C}(s+4) \, L(s)\cr =\mathstrut & (-0.171 + 0.985i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(43\)
Sign: $-0.171 + 0.985i$
Analytic conductor: \(17.5172\)
Root analytic conductor: \(4.18536\)
Motivic weight: \(8\)
Rational: no
Arithmetic: yes
Character: $\chi_{43} (42, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 43,\ (\ :4),\ -0.171 + 0.985i)\)

Particular Values

\(L(\frac{9}{2})\) \(\approx\) \(1.08199 - 1.28688i\)
\(L(\frac12)\) \(\approx\) \(1.08199 - 1.28688i\)
\(L(5)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad43 \( 1 + (5.86e5 - 3.36e6i)T \)
good2 \( 1 - 11.2iT - 256T^{2} \)
3 \( 1 + 77.9iT - 6.56e3T^{2} \)
5 \( 1 + 278. iT - 3.90e5T^{2} \)
7 \( 1 + 3.16e3iT - 5.76e6T^{2} \)
11 \( 1 + 1.63e4T + 2.14e8T^{2} \)
13 \( 1 + 529.T + 8.15e8T^{2} \)
17 \( 1 + 1.22e5T + 6.97e9T^{2} \)
19 \( 1 + 1.26e5iT - 1.69e10T^{2} \)
23 \( 1 + 3.32e4T + 7.83e10T^{2} \)
29 \( 1 + 1.14e6iT - 5.00e11T^{2} \)
31 \( 1 - 7.37e5T + 8.52e11T^{2} \)
37 \( 1 + 1.37e6iT - 3.51e12T^{2} \)
41 \( 1 + 5.06e6T + 7.98e12T^{2} \)
47 \( 1 + 3.40e6T + 2.38e13T^{2} \)
53 \( 1 - 8.04e6T + 6.22e13T^{2} \)
59 \( 1 - 1.77e7T + 1.46e14T^{2} \)
61 \( 1 - 8.79e6iT - 1.91e14T^{2} \)
67 \( 1 - 2.55e6T + 4.06e14T^{2} \)
71 \( 1 + 1.00e7iT - 6.45e14T^{2} \)
73 \( 1 - 7.54e6iT - 8.06e14T^{2} \)
79 \( 1 - 1.30e7T + 1.51e15T^{2} \)
83 \( 1 - 7.73e7T + 2.25e15T^{2} \)
89 \( 1 + 3.53e7iT - 3.93e15T^{2} \)
97 \( 1 - 1.12e8T + 7.83e15T^{2} \)
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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

−13.58839754008003014752885881654, −13.12833386931052635991839429037, −11.54595688486700018601911812657, −10.36422749828244714568014600737, −8.312729079154963208812443697602, −7.31364937395933833907658110037, −6.52722608175218914698479468641, −4.71340525251480943534356723244, −2.26635127261639861780204296217, −0.59520557299264531433888982469, 2.11551654132909601522400149813, 3.30964323049856846357641116668, 5.09588201444298230055405919432, 6.74030582042873742021249193014, 8.663589772848962489218868004827, 10.07020674262189388443675470914, 10.77297328146748040139490777818, 11.95469865499922234084605751914, 13.05345659558603419440903888000, 14.98851410617753441456478708159

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