Properties

Label 2-40e2-4.3-c2-0-24
Degree $2$
Conductor $1600$
Sign $-i$
Analytic cond. $43.5968$
Root an. cond. $6.60279$
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  − 0.547i·3-s + 10.0i·7-s + 8.69·9-s + 17.2i·11-s + 4.41·13-s + 27.0·17-s − 4.82i·19-s + 5.50·21-s − 15.2i·23-s − 9.69i·27-s − 2.38·29-s + 38.0i·31-s + 9.42·33-s − 16.5·37-s − 2.41i·39-s + ⋯
L(s)  = 1  − 0.182i·3-s + 1.43i·7-s + 0.966·9-s + 1.56i·11-s + 0.339·13-s + 1.58·17-s − 0.254i·19-s + 0.262·21-s − 0.663i·23-s − 0.359i·27-s − 0.0821·29-s + 1.22i·31-s + 0.285·33-s − 0.447·37-s − 0.0619i·39-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1600 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -i\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1600 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & -i\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1600\)    =    \(2^{6} \cdot 5^{2}\)
Sign: $-i$
Analytic conductor: \(43.5968\)
Root analytic conductor: \(6.60279\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{1600} (1151, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1600,\ (\ :1),\ -i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(2.150184827\)
\(L(\frac12)\) \(\approx\) \(2.150184827\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 \)
good3 \( 1 + 0.547iT - 9T^{2} \)
7 \( 1 - 10.0iT - 49T^{2} \)
11 \( 1 - 17.2iT - 121T^{2} \)
13 \( 1 - 4.41T + 169T^{2} \)
17 \( 1 - 27.0T + 289T^{2} \)
19 \( 1 + 4.82iT - 361T^{2} \)
23 \( 1 + 15.2iT - 529T^{2} \)
29 \( 1 + 2.38T + 841T^{2} \)
31 \( 1 - 38.0iT - 961T^{2} \)
37 \( 1 + 16.5T + 1.36e3T^{2} \)
41 \( 1 + 13.3T + 1.68e3T^{2} \)
43 \( 1 + 59.7iT - 1.84e3T^{2} \)
47 \( 1 - 62.4iT - 2.20e3T^{2} \)
53 \( 1 + 71.5T + 2.80e3T^{2} \)
59 \( 1 - 68.8iT - 3.48e3T^{2} \)
61 \( 1 + 40.9T + 3.72e3T^{2} \)
67 \( 1 + 51.0iT - 4.48e3T^{2} \)
71 \( 1 + 40.4iT - 5.04e3T^{2} \)
73 \( 1 - 35.8T + 5.32e3T^{2} \)
79 \( 1 - 126. iT - 6.24e3T^{2} \)
83 \( 1 - 75.1iT - 6.88e3T^{2} \)
89 \( 1 - 106.T + 7.92e3T^{2} \)
97 \( 1 - 85.4T + 9.40e3T^{2} \)
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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

−9.466692154577704601233193789360, −8.679872954940127488393232597923, −7.76464944610257509939739984060, −7.06723530986535695849872969447, −6.21387706822226374160691289364, −5.25050866310835641107280787696, −4.58221346203334676211609213618, −3.35542671149185985272158346344, −2.24211967264344460531857302821, −1.37657054810773292176650927807, 0.63930436804989770749245841404, 1.47798321845319371302011107773, 3.38547029116695125653982763868, 3.69587531607374404663042618193, 4.78808661369715559183493594323, 5.80520359191001182851156147199, 6.60005559974463520530025150152, 7.67361288425433622410826894447, 7.916374905673898517935627944446, 9.131251308225919489605437211533

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