Properties

Label 2-20e2-100.23-c1-0-4
Degree $2$
Conductor $400$
Sign $0.464 - 0.885i$
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  + (1.13 + 2.21i)3-s + (−0.139 − 2.23i)5-s + (−0.125 − 0.125i)7-s + (−1.88 + 2.59i)9-s + (3.73 + 5.14i)11-s + (0.413 + 2.61i)13-s + (4.79 − 2.83i)15-s + (3.67 + 1.87i)17-s + (−0.529 − 1.62i)19-s + (0.136 − 0.421i)21-s + (0.203 − 1.28i)23-s + (−4.96 + 0.621i)25-s + (−0.501 − 0.0794i)27-s + (−8.12 − 2.64i)29-s + (1.69 − 0.551i)31-s + ⋯
L(s)  = 1  + (0.652 + 1.28i)3-s + (−0.0622 − 0.998i)5-s + (−0.0475 − 0.0475i)7-s + (−0.627 + 0.864i)9-s + (1.12 + 1.55i)11-s + (0.114 + 0.723i)13-s + (1.23 − 0.731i)15-s + (0.891 + 0.454i)17-s + (−0.121 − 0.373i)19-s + (0.0298 − 0.0919i)21-s + (0.0425 − 0.268i)23-s + (−0.992 + 0.124i)25-s + (−0.0965 − 0.0152i)27-s + (−1.50 − 0.490i)29-s + (0.304 − 0.0989i)31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 400 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.464 - 0.885i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 400 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.464 - 0.885i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(400\)    =    \(2^{4} \cdot 5^{2}\)
Sign: $0.464 - 0.885i$
Analytic conductor: \(3.19401\)
Root analytic conductor: \(1.78718\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{400} (223, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 400,\ (\ :1/2),\ 0.464 - 0.885i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.47827 + 0.894149i\)
\(L(\frac12)\) \(\approx\) \(1.47827 + 0.894149i\)
\(L(\frac{3}{2})\) 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 \( 1 + (0.139 + 2.23i)T \)
good3 \( 1 + (-1.13 - 2.21i)T + (-1.76 + 2.42i)T^{2} \)
7 \( 1 + (0.125 + 0.125i)T + 7iT^{2} \)
11 \( 1 + (-3.73 - 5.14i)T + (-3.39 + 10.4i)T^{2} \)
13 \( 1 + (-0.413 - 2.61i)T + (-12.3 + 4.01i)T^{2} \)
17 \( 1 + (-3.67 - 1.87i)T + (9.99 + 13.7i)T^{2} \)
19 \( 1 + (0.529 + 1.62i)T + (-15.3 + 11.1i)T^{2} \)
23 \( 1 + (-0.203 + 1.28i)T + (-21.8 - 7.10i)T^{2} \)
29 \( 1 + (8.12 + 2.64i)T + (23.4 + 17.0i)T^{2} \)
31 \( 1 + (-1.69 + 0.551i)T + (25.0 - 18.2i)T^{2} \)
37 \( 1 + (-6.42 + 1.01i)T + (35.1 - 11.4i)T^{2} \)
41 \( 1 + (8.51 + 6.18i)T + (12.6 + 38.9i)T^{2} \)
43 \( 1 + (-2.70 + 2.70i)T - 43iT^{2} \)
47 \( 1 + (9.15 - 4.66i)T + (27.6 - 38.0i)T^{2} \)
53 \( 1 + (-8.64 + 4.40i)T + (31.1 - 42.8i)T^{2} \)
59 \( 1 + (4.80 + 3.49i)T + (18.2 + 56.1i)T^{2} \)
61 \( 1 + (-6.89 + 5.00i)T + (18.8 - 58.0i)T^{2} \)
67 \( 1 + (-1.50 + 2.95i)T + (-39.3 - 54.2i)T^{2} \)
71 \( 1 + (7.64 + 2.48i)T + (57.4 + 41.7i)T^{2} \)
73 \( 1 + (1.62 + 0.256i)T + (69.4 + 22.5i)T^{2} \)
79 \( 1 + (2.78 - 8.57i)T + (-63.9 - 46.4i)T^{2} \)
83 \( 1 + (-9.56 - 4.87i)T + (48.7 + 67.1i)T^{2} \)
89 \( 1 + (-0.221 - 0.305i)T + (-27.5 + 84.6i)T^{2} \)
97 \( 1 + (4.08 + 8.01i)T + (-57.0 + 78.4i)T^{2} \)
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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

−11.46006234961153961223927925060, −10.12361426433823864362831215960, −9.525337282439968383131728173637, −9.018058129993675392080446048272, −8.010636587256027396938444044347, −6.76877734014291368313075862314, −5.27319590693219223508566239915, −4.30889185830118886641707642789, −3.77897433679903852536967966752, −1.86300820522912989755183607168, 1.26905290318139920187791479281, 2.86876940834873235912507460317, 3.57327593618841218177305262031, 5.76685573878648905883480925399, 6.48454814624975689077934845401, 7.46030594318474630822653403105, 8.123275276621929058972356316380, 9.086322259266826826447003219311, 10.25184931383818879730310026285, 11.36143867415608032678139527670

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