Properties

Label 2-20e2-100.3-c1-0-2
Degree $2$
Conductor $400$
Sign $-0.565 - 0.824i$
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  + (−2.04 + 0.324i)3-s + (1.25 + 1.85i)5-s + (1.74 + 1.74i)7-s + (1.22 − 0.399i)9-s + (−3.97 − 1.29i)11-s + (1.72 − 3.39i)13-s + (−3.16 − 3.38i)15-s + (−0.973 + 6.14i)17-s + (−5.07 + 3.68i)19-s + (−4.13 − 3.00i)21-s + (1.78 + 3.49i)23-s + (−1.86 + 4.63i)25-s + (3.15 − 1.60i)27-s + (−5.30 + 7.30i)29-s + (1.52 + 2.10i)31-s + ⋯
L(s)  = 1  + (−1.18 + 0.187i)3-s + (0.559 + 0.828i)5-s + (0.658 + 0.658i)7-s + (0.409 − 0.133i)9-s + (−1.19 − 0.389i)11-s + (0.479 − 0.941i)13-s + (−0.816 − 0.874i)15-s + (−0.236 + 1.49i)17-s + (−1.16 + 0.845i)19-s + (−0.901 − 0.654i)21-s + (0.371 + 0.729i)23-s + (−0.373 + 0.927i)25-s + (0.606 − 0.309i)27-s + (−0.985 + 1.35i)29-s + (0.274 + 0.377i)31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 400 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.565 - 0.824i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 400 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.565 - 0.824i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(400\)    =    \(2^{4} \cdot 5^{2}\)
Sign: $-0.565 - 0.824i$
Analytic conductor: \(3.19401\)
Root analytic conductor: \(1.78718\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{400} (303, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 400,\ (\ :1/2),\ -0.565 - 0.824i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.346736 + 0.658591i\)
\(L(\frac12)\) \(\approx\) \(0.346736 + 0.658591i\)
\(L(\frac{3}{2})\) 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 \( 1 + (-1.25 - 1.85i)T \)
good3 \( 1 + (2.04 - 0.324i)T + (2.85 - 0.927i)T^{2} \)
7 \( 1 + (-1.74 - 1.74i)T + 7iT^{2} \)
11 \( 1 + (3.97 + 1.29i)T + (8.89 + 6.46i)T^{2} \)
13 \( 1 + (-1.72 + 3.39i)T + (-7.64 - 10.5i)T^{2} \)
17 \( 1 + (0.973 - 6.14i)T + (-16.1 - 5.25i)T^{2} \)
19 \( 1 + (5.07 - 3.68i)T + (5.87 - 18.0i)T^{2} \)
23 \( 1 + (-1.78 - 3.49i)T + (-13.5 + 18.6i)T^{2} \)
29 \( 1 + (5.30 - 7.30i)T + (-8.96 - 27.5i)T^{2} \)
31 \( 1 + (-1.52 - 2.10i)T + (-9.57 + 29.4i)T^{2} \)
37 \( 1 + (3.92 + 1.99i)T + (21.7 + 29.9i)T^{2} \)
41 \( 1 + (2.43 + 7.49i)T + (-33.1 + 24.0i)T^{2} \)
43 \( 1 + (-0.559 + 0.559i)T - 43iT^{2} \)
47 \( 1 + (-0.158 - 0.998i)T + (-44.6 + 14.5i)T^{2} \)
53 \( 1 + (-0.0860 - 0.543i)T + (-50.4 + 16.3i)T^{2} \)
59 \( 1 + (0.0466 + 0.143i)T + (-47.7 + 34.6i)T^{2} \)
61 \( 1 + (0.875 - 2.69i)T + (-49.3 - 35.8i)T^{2} \)
67 \( 1 + (-12.5 - 1.98i)T + (63.7 + 20.7i)T^{2} \)
71 \( 1 + (-2.76 + 3.81i)T + (-21.9 - 67.5i)T^{2} \)
73 \( 1 + (-4.57 + 2.33i)T + (42.9 - 59.0i)T^{2} \)
79 \( 1 + (-1.99 - 1.45i)T + (24.4 + 75.1i)T^{2} \)
83 \( 1 + (1.40 - 8.84i)T + (-78.9 - 25.6i)T^{2} \)
89 \( 1 + (-15.7 - 5.12i)T + (72.0 + 52.3i)T^{2} \)
97 \( 1 + (10.0 - 1.59i)T + (92.2 - 29.9i)T^{2} \)
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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

−11.25349109139030440783867397733, −10.59520163053933364332164747091, −10.42921774826179702684142139275, −8.751837998888443857327274748342, −7.930467811818399376192049958506, −6.56771255390100688355414052727, −5.60543166380481575600441835508, −5.34652595827967472489519921654, −3.52212544820493466148742244687, −2.00041587622286683119443151966, 0.54522896438562518184705393273, 2.20764672503044478770884506915, 4.58350442620306076852605591166, 4.93456953849621641575026290298, 6.12359813122777822420114272453, 7.01666030536767440575803040942, 8.168425556034207226909858062171, 9.201346989957127374590767228983, 10.22363154339684272426346137478, 11.15882079466356719836980793414

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