Properties

Label 2-20e2-400.203-c1-0-27
Degree $2$
Conductor $400$
Sign $0.123 - 0.992i$
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  + (1.03 + 0.964i)2-s + (0.511 − 0.704i)3-s + (0.138 + 1.99i)4-s + (1.92 + 1.13i)5-s + (1.20 − 0.234i)6-s + (−1.80 + 1.80i)7-s + (−1.78 + 2.19i)8-s + (0.692 + 2.13i)9-s + (0.898 + 3.03i)10-s + (−2.70 − 5.31i)11-s + (1.47 + 0.923i)12-s + (1.67 + 5.16i)13-s + (−3.60 + 0.124i)14-s + (1.78 − 0.777i)15-s + (−3.96 + 0.552i)16-s + (1.24 − 7.85i)17-s + ⋯
L(s)  = 1  + (0.731 + 0.682i)2-s + (0.295 − 0.406i)3-s + (0.0692 + 0.997i)4-s + (0.861 + 0.507i)5-s + (0.493 − 0.0957i)6-s + (−0.680 + 0.680i)7-s + (−0.629 + 0.776i)8-s + (0.230 + 0.710i)9-s + (0.284 + 0.958i)10-s + (−0.816 − 1.60i)11-s + (0.426 + 0.266i)12-s + (0.465 + 1.43i)13-s + (−0.962 + 0.0333i)14-s + (0.460 − 0.200i)15-s + (−0.990 + 0.138i)16-s + (0.301 − 1.90i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 400 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.123 - 0.992i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 400 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.123 - 0.992i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(400\)    =    \(2^{4} \cdot 5^{2}\)
Sign: $0.123 - 0.992i$
Analytic conductor: \(3.19401\)
Root analytic conductor: \(1.78718\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{400} (203, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 400,\ (\ :1/2),\ 0.123 - 0.992i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.70676 + 1.50678i\)
\(L(\frac12)\) \(\approx\) \(1.70676 + 1.50678i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (-1.03 - 0.964i)T \)
5 \( 1 + (-1.92 - 1.13i)T \)
good3 \( 1 + (-0.511 + 0.704i)T + (-0.927 - 2.85i)T^{2} \)
7 \( 1 + (1.80 - 1.80i)T - 7iT^{2} \)
11 \( 1 + (2.70 + 5.31i)T + (-6.46 + 8.89i)T^{2} \)
13 \( 1 + (-1.67 - 5.16i)T + (-10.5 + 7.64i)T^{2} \)
17 \( 1 + (-1.24 + 7.85i)T + (-16.1 - 5.25i)T^{2} \)
19 \( 1 + (0.137 - 0.867i)T + (-18.0 - 5.87i)T^{2} \)
23 \( 1 + (-5.79 + 2.95i)T + (13.5 - 18.6i)T^{2} \)
29 \( 1 + (0.276 + 1.74i)T + (-27.5 + 8.96i)T^{2} \)
31 \( 1 + (0.136 + 0.187i)T + (-9.57 + 29.4i)T^{2} \)
37 \( 1 + (1.42 + 4.39i)T + (-29.9 + 21.7i)T^{2} \)
41 \( 1 + (-1.96 + 0.638i)T + (33.1 - 24.0i)T^{2} \)
43 \( 1 + 1.10T + 43T^{2} \)
47 \( 1 + (-0.0310 - 0.195i)T + (-44.6 + 14.5i)T^{2} \)
53 \( 1 + (-1.65 + 2.28i)T + (-16.3 - 50.4i)T^{2} \)
59 \( 1 + (2.95 - 5.79i)T + (-34.6 - 47.7i)T^{2} \)
61 \( 1 + (3.16 + 6.21i)T + (-35.8 + 49.3i)T^{2} \)
67 \( 1 + (-4.80 + 3.48i)T + (20.7 - 63.7i)T^{2} \)
71 \( 1 + (-0.474 - 0.344i)T + (21.9 + 67.5i)T^{2} \)
73 \( 1 + (4.33 + 8.50i)T + (-42.9 + 59.0i)T^{2} \)
79 \( 1 + (3.06 + 2.22i)T + (24.4 + 75.1i)T^{2} \)
83 \( 1 + (8.80 + 12.1i)T + (-25.6 + 78.9i)T^{2} \)
89 \( 1 + (4.38 - 13.5i)T + (-72.0 - 52.3i)T^{2} \)
97 \( 1 + (-4.08 + 0.646i)T + (92.2 - 29.9i)T^{2} \)
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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

−11.55418653464880995982277088104, −10.79750317556680931493168440792, −9.319698637849624579893892629366, −8.713483995528018591061135963912, −7.49040334774666578738782003169, −6.66212443703166865026058040411, −5.82798651418614556150812562503, −4.94656600449028854854948947463, −3.14909123887893546641058743275, −2.45802470214295911362862808279, 1.34457482894191540314292378537, 2.94127517929872894196939412358, 3.97084468257016379780825471779, 5.05263133701456245318595417485, 6.01723141960449446022939427996, 7.07635378402032586294075560892, 8.591581277191151082787226269255, 9.784631909157381771961199772545, 10.09500048930428080914988256714, 10.75445934383971244538588806886

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