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Properties

Label 2-20e2-80.27-c1-0-0
Degree $2$
Conductor $400$
Sign $-0.725 - 0.688i$
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  + (−1.41 + 0.0660i)2-s + 0.496·3-s + (1.99 − 0.186i)4-s + (−0.701 + 0.0328i)6-s + (−1.55 − 1.55i)7-s + (−2.80 + 0.395i)8-s − 2.75·9-s + (−4.19 + 4.19i)11-s + (0.988 − 0.0927i)12-s + 5.09i·13-s + (2.29 + 2.09i)14-s + (3.93 − 0.743i)16-s + (−0.213 − 0.213i)17-s + (3.88 − 0.181i)18-s + (0.844 − 0.844i)19-s + ⋯
L(s)  = 1  + (−0.998 + 0.0467i)2-s + 0.286·3-s + (0.995 − 0.0933i)4-s + (−0.286 + 0.0133i)6-s + (−0.587 − 0.587i)7-s + (−0.990 + 0.139i)8-s − 0.917·9-s + (−1.26 + 1.26i)11-s + (0.285 − 0.0267i)12-s + 1.41i·13-s + (0.614 + 0.559i)14-s + (0.982 − 0.185i)16-s + (−0.0517 − 0.0517i)17-s + (0.916 − 0.0428i)18-s + (0.193 − 0.193i)19-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 400 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.725 - 0.688i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 400 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.725 - 0.688i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(400\)    =    \(2^{4} \cdot 5^{2}\)
Sign: $-0.725 - 0.688i$
Analytic conductor: \(3.19401\)
Root analytic conductor: \(1.78718\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{400} (107, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 400,\ (\ :1/2),\ -0.725 - 0.688i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.130541 + 0.327185i\)
\(L(\frac12)\) \(\approx\) \(0.130541 + 0.327185i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (1.41 - 0.0660i)T \)
5 \( 1 \)
good3 \( 1 - 0.496T + 3T^{2} \)
7 \( 1 + (1.55 + 1.55i)T + 7iT^{2} \)
11 \( 1 + (4.19 - 4.19i)T - 11iT^{2} \)
13 \( 1 - 5.09iT - 13T^{2} \)
17 \( 1 + (0.213 + 0.213i)T + 17iT^{2} \)
19 \( 1 + (-0.844 + 0.844i)T - 19iT^{2} \)
23 \( 1 + (1.70 - 1.70i)T - 23iT^{2} \)
29 \( 1 + (-2.24 - 2.24i)T + 29iT^{2} \)
31 \( 1 - 0.818iT - 31T^{2} \)
37 \( 1 - 5.12iT - 37T^{2} \)
41 \( 1 - 3.34iT - 41T^{2} \)
43 \( 1 + 4.49iT - 43T^{2} \)
47 \( 1 + (4.29 - 4.29i)T - 47iT^{2} \)
53 \( 1 - 1.00T + 53T^{2} \)
59 \( 1 + (7.65 + 7.65i)T + 59iT^{2} \)
61 \( 1 + (1.90 - 1.90i)T - 61iT^{2} \)
67 \( 1 + 11.0iT - 67T^{2} \)
71 \( 1 + 10.5T + 71T^{2} \)
73 \( 1 + (2.70 + 2.70i)T + 73iT^{2} \)
79 \( 1 + 8.32T + 79T^{2} \)
83 \( 1 - 9.17T + 83T^{2} \)
89 \( 1 + 4.25T + 89T^{2} \)
97 \( 1 + (-7.15 - 7.15i)T + 97iT^{2} \)
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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

−11.45219503995079052600724167650, −10.46750019632260128010489525832, −9.742528973572976318889206727179, −8.985641370107761945026965556997, −7.934706013709467156037267776622, −7.15969224800339382013273525665, −6.27097992118444170973627215742, −4.83946307254497607434280373154, −3.18981515553601638806032195141, −2.00575973371147240824907608785, 0.27772379200891303662895178038, 2.64606056063734697936900317368, 3.18014572007345681087182133900, 5.62411591843754781434982785121, 6.00623367172523898155955707181, 7.60772888109414633803064697726, 8.306718851819048205902769091324, 8.901908945250140232226979233671, 10.06323709028123862881810667566, 10.72286538313173317027695269523

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