Properties

Label 2-20e2-5.4-c5-0-13
Degree $2$
Conductor $400$
Sign $0.447 - 0.894i$
Analytic cond. $64.1535$
Root an. cond. $8.00958$
Motivic weight $5$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 8i·3-s + 108i·7-s + 179·9-s + 604·11-s + 306i·13-s + 930i·17-s − 1.32e3·19-s + 864·21-s − 852i·23-s − 3.37e3i·27-s − 5.90e3·29-s + 3.32e3·31-s − 4.83e3i·33-s + 1.07e4i·37-s + 2.44e3·39-s + ⋯
L(s)  = 1  − 0.513i·3-s + 0.833i·7-s + 0.736·9-s + 1.50·11-s + 0.502i·13-s + 0.780i·17-s − 0.841·19-s + 0.427·21-s − 0.335i·23-s − 0.891i·27-s − 1.30·29-s + 0.620·31-s − 0.772i·33-s + 1.29i·37-s + 0.257·39-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 400 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.447 - 0.894i)\, \overline{\Lambda}(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 400 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & (0.447 - 0.894i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(400\)    =    \(2^{4} \cdot 5^{2}\)
Sign: $0.447 - 0.894i$
Analytic conductor: \(64.1535\)
Root analytic conductor: \(8.00958\)
Motivic weight: \(5\)
Rational: no
Arithmetic: yes
Character: $\chi_{400} (49, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 400,\ (\ :5/2),\ 0.447 - 0.894i)\)

Particular Values

\(L(3)\) \(\approx\) \(2.091219188\)
\(L(\frac12)\) \(\approx\) \(2.091219188\)
\(L(\frac{7}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 \)
good3 \( 1 + 8iT - 243T^{2} \)
7 \( 1 - 108iT - 1.68e4T^{2} \)
11 \( 1 - 604T + 1.61e5T^{2} \)
13 \( 1 - 306iT - 3.71e5T^{2} \)
17 \( 1 - 930iT - 1.41e6T^{2} \)
19 \( 1 + 1.32e3T + 2.47e6T^{2} \)
23 \( 1 + 852iT - 6.43e6T^{2} \)
29 \( 1 + 5.90e3T + 2.05e7T^{2} \)
31 \( 1 - 3.32e3T + 2.86e7T^{2} \)
37 \( 1 - 1.07e4iT - 6.93e7T^{2} \)
41 \( 1 + 1.79e4T + 1.15e8T^{2} \)
43 \( 1 - 9.26e3iT - 1.47e8T^{2} \)
47 \( 1 - 9.79e3iT - 2.29e8T^{2} \)
53 \( 1 - 3.14e4iT - 4.18e8T^{2} \)
59 \( 1 - 3.32e4T + 7.14e8T^{2} \)
61 \( 1 + 4.02e4T + 8.44e8T^{2} \)
67 \( 1 + 5.88e4iT - 1.35e9T^{2} \)
71 \( 1 - 5.53e4T + 1.80e9T^{2} \)
73 \( 1 + 2.72e4iT - 2.07e9T^{2} \)
79 \( 1 - 3.14e4T + 3.07e9T^{2} \)
83 \( 1 - 2.45e4iT - 3.93e9T^{2} \)
89 \( 1 - 9.08e4T + 5.58e9T^{2} \)
97 \( 1 - 1.54e5iT - 8.58e9T^{2} \)
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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

−10.65445035125637801813720762235, −9.546362931279703708393155210001, −8.835494624089443193764362778523, −7.86668449649405892437048487962, −6.61069484597969621770665758270, −6.23505761028207078459364958855, −4.68960456417940979107240878305, −3.70012032248649133552305494802, −2.10416239428805585811590575855, −1.26660297723123933781970023821, 0.54332976580278596911369038418, 1.78791649668315935550534200206, 3.60387233109569261711995451988, 4.16597265225463421745655187640, 5.33828625764272842774081439359, 6.71804863205368340943235155279, 7.30302542054420591552798372388, 8.613023420498874296604025759046, 9.534214231269797203751912698221, 10.21607833990852704940050712860

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