Properties

Label 2-40e2-20.3-c1-0-26
Degree $2$
Conductor $1600$
Sign $0.525 + 0.850i$
Analytic cond. $12.7760$
Root an. cond. $3.57436$
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  + (1.73 − 1.73i)3-s + (1.73 + 1.73i)7-s − 2.99i·9-s − 3.46i·11-s + (1 + i)13-s + (−1 + i)17-s + 6.92·19-s + 5.99·21-s + (−1.73 + 1.73i)23-s − 4i·29-s − 3.46i·31-s + (−5.99 − 5.99i)33-s + (5 − 5i)37-s + 3.46·39-s + 2·41-s + ⋯
L(s)  = 1  + (0.999 − 0.999i)3-s + (0.654 + 0.654i)7-s − 0.999i·9-s − 1.04i·11-s + (0.277 + 0.277i)13-s + (−0.242 + 0.242i)17-s + 1.58·19-s + 1.30·21-s + (−0.361 + 0.361i)23-s − 0.742i·29-s − 0.622i·31-s + (−1.04 − 1.04i)33-s + (0.821 − 0.821i)37-s + 0.554·39-s + 0.312·41-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1600 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.525 + 0.850i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1600 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.525 + 0.850i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1600\)    =    \(2^{6} \cdot 5^{2}\)
Sign: $0.525 + 0.850i$
Analytic conductor: \(12.7760\)
Root analytic conductor: \(3.57436\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1600} (1343, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1600,\ (\ :1/2),\ 0.525 + 0.850i)\)

Particular Values

\(L(1)\) \(\approx\) \(2.715566950\)
\(L(\frac12)\) \(\approx\) \(2.715566950\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 \)
good3 \( 1 + (-1.73 + 1.73i)T - 3iT^{2} \)
7 \( 1 + (-1.73 - 1.73i)T + 7iT^{2} \)
11 \( 1 + 3.46iT - 11T^{2} \)
13 \( 1 + (-1 - i)T + 13iT^{2} \)
17 \( 1 + (1 - i)T - 17iT^{2} \)
19 \( 1 - 6.92T + 19T^{2} \)
23 \( 1 + (1.73 - 1.73i)T - 23iT^{2} \)
29 \( 1 + 4iT - 29T^{2} \)
31 \( 1 + 3.46iT - 31T^{2} \)
37 \( 1 + (-5 + 5i)T - 37iT^{2} \)
41 \( 1 - 2T + 41T^{2} \)
43 \( 1 + (-1.73 + 1.73i)T - 43iT^{2} \)
47 \( 1 + (-1.73 - 1.73i)T + 47iT^{2} \)
53 \( 1 + (7 + 7i)T + 53iT^{2} \)
59 \( 1 + 6.92T + 59T^{2} \)
61 \( 1 + 6T + 61T^{2} \)
67 \( 1 + (-5.19 - 5.19i)T + 67iT^{2} \)
71 \( 1 - 10.3iT - 71T^{2} \)
73 \( 1 + (-7 - 7i)T + 73iT^{2} \)
79 \( 1 + 79T^{2} \)
83 \( 1 + (12.1 - 12.1i)T - 83iT^{2} \)
89 \( 1 - 8iT - 89T^{2} \)
97 \( 1 + (-7 + 7i)T - 97iT^{2} \)
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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

−9.094359819990012561493894996861, −8.280839073520432712483930274465, −7.914037691765290564224286939135, −7.08262483641580214198636251047, −6.04846957880602280422477691487, −5.36545290511056795756707207716, −3.99940537271853670163875078885, −2.99025403148042087604380891146, −2.15453422891687353979216624163, −1.09946470569192733409354580943, 1.39871670974694056980004187052, 2.75855977174473213744295854162, 3.57209127667002961174748965770, 4.56434837092910520112894175025, 4.95990579273935718112934710786, 6.35107783050154656233913908913, 7.55709922953700721295756928085, 7.83354494850774425000113750307, 8.974728612833574715336059394376, 9.434906412907538455084612562582

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