Properties

Label 2-20e2-400.27-c1-0-41
Degree $2$
Conductor $400$
Sign $0.694 + 0.719i$
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  + (1.27 − 0.614i)2-s + (0.306 − 0.944i)3-s + (1.24 − 1.56i)4-s + (−0.152 + 2.23i)5-s + (−0.189 − 1.39i)6-s + (1.38 + 1.38i)7-s + (0.620 − 2.75i)8-s + (1.62 + 1.18i)9-s + (1.17 + 2.93i)10-s + (0.734 − 4.64i)11-s + (−1.09 − 1.65i)12-s + (−0.701 + 0.965i)13-s + (2.61 + 0.912i)14-s + (2.05 + 0.828i)15-s + (−0.906 − 3.89i)16-s + (−0.145 + 0.285i)17-s + ⋯
L(s)  = 1  + (0.900 − 0.434i)2-s + (0.177 − 0.545i)3-s + (0.621 − 0.783i)4-s + (−0.0684 + 0.997i)5-s + (−0.0775 − 0.567i)6-s + (0.523 + 0.523i)7-s + (0.219 − 0.975i)8-s + (0.543 + 0.394i)9-s + (0.372 + 0.928i)10-s + (0.221 − 1.39i)11-s + (−0.316 − 0.477i)12-s + (−0.194 + 0.267i)13-s + (0.699 + 0.243i)14-s + (0.531 + 0.213i)15-s + (−0.226 − 0.973i)16-s + (−0.0352 + 0.0692i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 400 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.694 + 0.719i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 400 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.694 + 0.719i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(400\)    =    \(2^{4} \cdot 5^{2}\)
Sign: $0.694 + 0.719i$
Analytic conductor: \(3.19401\)
Root analytic conductor: \(1.78718\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{400} (27, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 400,\ (\ :1/2),\ 0.694 + 0.719i)\)

Particular Values

\(L(1)\) \(\approx\) \(2.33613 - 0.992866i\)
\(L(\frac12)\) \(\approx\) \(2.33613 - 0.992866i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (-1.27 + 0.614i)T \)
5 \( 1 + (0.152 - 2.23i)T \)
good3 \( 1 + (-0.306 + 0.944i)T + (-2.42 - 1.76i)T^{2} \)
7 \( 1 + (-1.38 - 1.38i)T + 7iT^{2} \)
11 \( 1 + (-0.734 + 4.64i)T + (-10.4 - 3.39i)T^{2} \)
13 \( 1 + (0.701 - 0.965i)T + (-4.01 - 12.3i)T^{2} \)
17 \( 1 + (0.145 - 0.285i)T + (-9.99 - 13.7i)T^{2} \)
19 \( 1 + (3.33 + 1.69i)T + (11.1 + 15.3i)T^{2} \)
23 \( 1 + (0.610 - 3.85i)T + (-21.8 - 7.10i)T^{2} \)
29 \( 1 + (4.20 - 2.14i)T + (17.0 - 23.4i)T^{2} \)
31 \( 1 + (2.48 - 0.806i)T + (25.0 - 18.2i)T^{2} \)
37 \( 1 + (-2.84 + 3.91i)T + (-11.4 - 35.1i)T^{2} \)
41 \( 1 + (5.63 - 7.75i)T + (-12.6 - 38.9i)T^{2} \)
43 \( 1 - 1.81iT - 43T^{2} \)
47 \( 1 + (-0.411 - 0.806i)T + (-27.6 + 38.0i)T^{2} \)
53 \( 1 + (0.895 - 2.75i)T + (-42.8 - 31.1i)T^{2} \)
59 \( 1 + (-0.704 - 4.44i)T + (-56.1 + 18.2i)T^{2} \)
61 \( 1 + (1.08 - 6.86i)T + (-58.0 - 18.8i)T^{2} \)
67 \( 1 + (-10.3 + 3.36i)T + (54.2 - 39.3i)T^{2} \)
71 \( 1 + (-3.37 + 10.3i)T + (-57.4 - 41.7i)T^{2} \)
73 \( 1 + (-0.821 - 0.130i)T + (69.4 + 22.5i)T^{2} \)
79 \( 1 + (3.64 - 11.2i)T + (-63.9 - 46.4i)T^{2} \)
83 \( 1 + (1.49 + 4.59i)T + (-67.1 + 48.7i)T^{2} \)
89 \( 1 + (11.0 - 8.02i)T + (27.5 - 84.6i)T^{2} \)
97 \( 1 + (-10.0 + 5.10i)T + (57.0 - 78.4i)T^{2} \)
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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

−11.20674043582570993276482165828, −10.71802355176716003400162635154, −9.521692480993739870092742733505, −8.214264522858477187287209674656, −7.18304128612964690281957648177, −6.34076625177744299107134099851, −5.38041410189510359756433247926, −4.01082945935291937879048073222, −2.85560829810406590874254367227, −1.75480535809603374752600068409, 1.91719071757374758929450725651, 3.89403581636036042696235048124, 4.43526720901497075300056778508, 5.25287282469442378169242666977, 6.66054032458387177861720859895, 7.57537188058956583986848431899, 8.489067508585486778642826307678, 9.577133107852099795359104494187, 10.47240589398691690366451235188, 11.65689243739187974736400075705

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