Properties

Label 2-20e2-400.181-c1-0-17
Degree $2$
Conductor $400$
Sign $-0.245 - 0.969i$
Analytic cond. $3.19401$
Root an. cond. $1.78718$
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  + (0.971 + 1.02i)2-s + (0.129 − 0.815i)3-s + (−0.111 + 1.99i)4-s + (−1.25 + 1.84i)5-s + (0.963 − 0.659i)6-s − 1.98i·7-s + (−2.15 + 1.82i)8-s + (2.20 + 0.716i)9-s + (−3.12 + 0.503i)10-s + (−2.03 + 3.99i)11-s + (1.61 + 0.348i)12-s + (1.98 + 3.90i)13-s + (2.03 − 1.92i)14-s + (1.34 + 1.26i)15-s + (−3.97 − 0.444i)16-s + (4.10 + 2.98i)17-s + ⋯
L(s)  = 1  + (0.687 + 0.726i)2-s + (0.0745 − 0.470i)3-s + (−0.0556 + 0.998i)4-s + (−0.562 + 0.826i)5-s + (0.393 − 0.269i)6-s − 0.748i·7-s + (−0.763 + 0.645i)8-s + (0.734 + 0.238i)9-s + (−0.987 + 0.159i)10-s + (−0.613 + 1.20i)11-s + (0.466 + 0.100i)12-s + (0.551 + 1.08i)13-s + (0.543 − 0.514i)14-s + (0.347 + 0.326i)15-s + (−0.993 − 0.111i)16-s + (0.995 + 0.723i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 400 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.245 - 0.969i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 400 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.245 - 0.969i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(400\)    =    \(2^{4} \cdot 5^{2}\)
Sign: $-0.245 - 0.969i$
Analytic conductor: \(3.19401\)
Root analytic conductor: \(1.78718\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{400} (181, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 400,\ (\ :1/2),\ -0.245 - 0.969i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.08719 + 1.39722i\)
\(L(\frac12)\) \(\approx\) \(1.08719 + 1.39722i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (-0.971 - 1.02i)T \)
5 \( 1 + (1.25 - 1.84i)T \)
good3 \( 1 + (-0.129 + 0.815i)T + (-2.85 - 0.927i)T^{2} \)
7 \( 1 + 1.98iT - 7T^{2} \)
11 \( 1 + (2.03 - 3.99i)T + (-6.46 - 8.89i)T^{2} \)
13 \( 1 + (-1.98 - 3.90i)T + (-7.64 + 10.5i)T^{2} \)
17 \( 1 + (-4.10 - 2.98i)T + (5.25 + 16.1i)T^{2} \)
19 \( 1 + (2.61 - 0.413i)T + (18.0 - 5.87i)T^{2} \)
23 \( 1 + (-3.61 + 1.17i)T + (18.6 - 13.5i)T^{2} \)
29 \( 1 + (-1.33 + 8.40i)T + (-27.5 - 8.96i)T^{2} \)
31 \( 1 + (7.30 + 5.30i)T + (9.57 + 29.4i)T^{2} \)
37 \( 1 + (4.78 - 2.43i)T + (21.7 - 29.9i)T^{2} \)
41 \( 1 + (-5.54 - 1.80i)T + (33.1 + 24.0i)T^{2} \)
43 \( 1 + (-3.41 - 3.41i)T + 43iT^{2} \)
47 \( 1 + (-2.50 + 1.81i)T + (14.5 - 44.6i)T^{2} \)
53 \( 1 + (-4.60 - 0.729i)T + (50.4 + 16.3i)T^{2} \)
59 \( 1 + (-11.1 + 5.69i)T + (34.6 - 47.7i)T^{2} \)
61 \( 1 + (0.425 + 0.216i)T + (35.8 + 49.3i)T^{2} \)
67 \( 1 + (-1.92 + 0.304i)T + (63.7 - 20.7i)T^{2} \)
71 \( 1 + (1.12 + 1.54i)T + (-21.9 + 67.5i)T^{2} \)
73 \( 1 + (14.3 - 4.67i)T + (59.0 - 42.9i)T^{2} \)
79 \( 1 + (-7.85 + 5.70i)T + (24.4 - 75.1i)T^{2} \)
83 \( 1 + (1.67 - 0.266i)T + (78.9 - 25.6i)T^{2} \)
89 \( 1 + (8.49 - 2.75i)T + (72.0 - 52.3i)T^{2} \)
97 \( 1 + (-11.6 + 8.43i)T + (29.9 - 92.2i)T^{2} \)
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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

−11.73336121661120967351426071880, −10.73438182180127263613566956649, −9.809688035750249231009518549156, −8.284854628069361903717716621870, −7.40826021525269707904854195002, −7.07644545481801732969067001486, −6.04885690004424601644767764313, −4.44275696586479511420172017407, −3.87585412586761999647547947949, −2.23106654753991774601847716611, 1.01466410170260638057807612257, 3.03620126379875875514396311300, 3.82115794057464128941546970531, 5.27676372227509948633403772688, 5.50987641698618598722241536498, 7.24406689505552732974121404796, 8.674350227283332500054775127202, 9.117957533520781208761084331999, 10.45038322160639072909045785216, 10.93508738003588234684948553505

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