Properties

Label 2-20e2-400.227-c1-0-33
Degree $2$
Conductor $400$
Sign $0.534 - 0.844i$
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  + (1.36 + 0.366i)2-s + (0.714 + 0.232i)3-s + (1.73 + 1.00i)4-s + (0.654 + 2.13i)5-s + (0.890 + 0.578i)6-s + (0.664 + 0.664i)7-s + (1.99 + 2.00i)8-s + (−1.97 − 1.43i)9-s + (0.110 + 3.16i)10-s + (−1.89 − 0.300i)11-s + (1.00 + 1.11i)12-s + (−2.19 − 1.59i)13-s + (0.664 + 1.15i)14-s + (−0.0284 + 1.67i)15-s + (1.99 + 3.46i)16-s + (1.25 − 2.46i)17-s + ⋯
L(s)  = 1  + (0.965 + 0.259i)2-s + (0.412 + 0.133i)3-s + (0.865 + 0.500i)4-s + (0.292 + 0.956i)5-s + (0.363 + 0.236i)6-s + (0.251 + 0.251i)7-s + (0.706 + 0.708i)8-s + (−0.656 − 0.477i)9-s + (0.0349 + 0.999i)10-s + (−0.572 − 0.0906i)11-s + (0.289 + 0.322i)12-s + (−0.608 − 0.442i)13-s + (0.177 + 0.307i)14-s + (−0.00735 + 0.433i)15-s + (0.498 + 0.866i)16-s + (0.304 − 0.597i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 400 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.534 - 0.844i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 400 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.534 - 0.844i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(400\)    =    \(2^{4} \cdot 5^{2}\)
Sign: $0.534 - 0.844i$
Analytic conductor: \(3.19401\)
Root analytic conductor: \(1.78718\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{400} (227, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 400,\ (\ :1/2),\ 0.534 - 0.844i)\)

Particular Values

\(L(1)\) \(\approx\) \(2.39498 + 1.31829i\)
\(L(\frac12)\) \(\approx\) \(2.39498 + 1.31829i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (-1.36 - 0.366i)T \)
5 \( 1 + (-0.654 - 2.13i)T \)
good3 \( 1 + (-0.714 - 0.232i)T + (2.42 + 1.76i)T^{2} \)
7 \( 1 + (-0.664 - 0.664i)T + 7iT^{2} \)
11 \( 1 + (1.89 + 0.300i)T + (10.4 + 3.39i)T^{2} \)
13 \( 1 + (2.19 + 1.59i)T + (4.01 + 12.3i)T^{2} \)
17 \( 1 + (-1.25 + 2.46i)T + (-9.99 - 13.7i)T^{2} \)
19 \( 1 + (-0.627 + 1.23i)T + (-11.1 - 15.3i)T^{2} \)
23 \( 1 + (-0.899 + 5.67i)T + (-21.8 - 7.10i)T^{2} \)
29 \( 1 + (-1.42 - 2.80i)T + (-17.0 + 23.4i)T^{2} \)
31 \( 1 + (-8.03 + 2.61i)T + (25.0 - 18.2i)T^{2} \)
37 \( 1 + (-1.63 - 1.18i)T + (11.4 + 35.1i)T^{2} \)
41 \( 1 + (1.21 - 1.67i)T + (-12.6 - 38.9i)T^{2} \)
43 \( 1 - 5.07T + 43T^{2} \)
47 \( 1 + (-3.59 - 7.05i)T + (-27.6 + 38.0i)T^{2} \)
53 \( 1 + (12.2 + 3.99i)T + (42.8 + 31.1i)T^{2} \)
59 \( 1 + (3.22 - 0.511i)T + (56.1 - 18.2i)T^{2} \)
61 \( 1 + (3.20 + 0.507i)T + (58.0 + 18.8i)T^{2} \)
67 \( 1 + (-3.69 - 11.3i)T + (-54.2 + 39.3i)T^{2} \)
71 \( 1 + (-0.485 + 1.49i)T + (-57.4 - 41.7i)T^{2} \)
73 \( 1 + (15.8 + 2.51i)T + (69.4 + 22.5i)T^{2} \)
79 \( 1 + (-3.95 + 12.1i)T + (-63.9 - 46.4i)T^{2} \)
83 \( 1 + (7.98 - 2.59i)T + (67.1 - 48.7i)T^{2} \)
89 \( 1 + (11.2 - 8.20i)T + (27.5 - 84.6i)T^{2} \)
97 \( 1 + (5.10 - 2.59i)T + (57.0 - 78.4i)T^{2} \)
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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

−11.52850539010657365434982565146, −10.68788692113292783469056711251, −9.738901650791989917053810991140, −8.422003543295839891098527851176, −7.56445910400051071025006741034, −6.54026704881665722009512628806, −5.67712258617486863039990714387, −4.58187534215469046297635442691, −3.02979769175300416858624470982, −2.61643700341193244438532435305, 1.62253379335668762621334102345, 2.84640448092108809667948209314, 4.28865515724027068068887279761, 5.18181919848137331377231214706, 6.00690627630255348549883665654, 7.46636147793215572223682767884, 8.203319865067864833220114825041, 9.427693451893849025097957246485, 10.32423300627224309781107801650, 11.34304300114131379130158109181

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