Properties

Label 2-20e2-20.3-c1-0-7
Degree $2$
Conductor $400$
Sign $0.525 + 0.850i$
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  + (2.23 − 2.23i)3-s + (2.23 + 2.23i)7-s − 7.00i·9-s + 10.0·21-s + (−6.70 + 6.70i)23-s + (−8.94 − 8.94i)27-s − 6i·29-s − 12·41-s + (−2.23 + 2.23i)43-s + (6.70 + 6.70i)47-s + 3.00i·49-s + 8·61-s + (15.6 − 15.6i)63-s + (11.1 + 11.1i)67-s + 30.0i·69-s + ⋯
L(s)  = 1  + (1.29 − 1.29i)3-s + (0.845 + 0.845i)7-s − 2.33i·9-s + 2.18·21-s + (−1.39 + 1.39i)23-s + (−1.72 − 1.72i)27-s − 1.11i·29-s − 1.87·41-s + (−0.340 + 0.340i)43-s + (0.978 + 0.978i)47-s + 0.428i·49-s + 1.02·61-s + (1.97 − 1.97i)63-s + (1.36 + 1.36i)67-s + 3.61i·69-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 400 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.525 + 0.850i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 400 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.525 + 0.850i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(400\)    =    \(2^{4} \cdot 5^{2}\)
Sign: $0.525 + 0.850i$
Analytic conductor: \(3.19401\)
Root analytic conductor: \(1.78718\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{400} (143, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 400,\ (\ :1/2),\ 0.525 + 0.850i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.86810 - 1.04153i\)
\(L(\frac12)\) \(\approx\) \(1.86810 - 1.04153i\)
\(L(\frac{3}{2})\) 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 \( 1 \)
good3 \( 1 + (-2.23 + 2.23i)T - 3iT^{2} \)
7 \( 1 + (-2.23 - 2.23i)T + 7iT^{2} \)
11 \( 1 - 11T^{2} \)
13 \( 1 + 13iT^{2} \)
17 \( 1 - 17iT^{2} \)
19 \( 1 + 19T^{2} \)
23 \( 1 + (6.70 - 6.70i)T - 23iT^{2} \)
29 \( 1 + 6iT - 29T^{2} \)
31 \( 1 - 31T^{2} \)
37 \( 1 - 37iT^{2} \)
41 \( 1 + 12T + 41T^{2} \)
43 \( 1 + (2.23 - 2.23i)T - 43iT^{2} \)
47 \( 1 + (-6.70 - 6.70i)T + 47iT^{2} \)
53 \( 1 + 53iT^{2} \)
59 \( 1 + 59T^{2} \)
61 \( 1 - 8T + 61T^{2} \)
67 \( 1 + (-11.1 - 11.1i)T + 67iT^{2} \)
71 \( 1 - 71T^{2} \)
73 \( 1 + 73iT^{2} \)
79 \( 1 + 79T^{2} \)
83 \( 1 + (-6.70 + 6.70i)T - 83iT^{2} \)
89 \( 1 + 6iT - 89T^{2} \)
97 \( 1 - 97iT^{2} \)
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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

−11.60827613628384846112671246941, −9.929877628441445663716608336962, −9.014301076137729022925882581596, −8.180222419607808861878002313188, −7.72231431178616882719109864936, −6.58946512478013834400918603139, −5.50338568631442837052196535536, −3.81878661239165248028630308085, −2.50440753921127709088745280024, −1.61449907431032737715089464787, 2.10597507111839493373218313936, 3.51443141489327993082822069688, 4.32505821517424656020472702238, 5.18623256982816384649673695548, 6.97309444263489073158465307755, 8.163335110556912520481640942854, 8.524893452988427596541792083614, 9.697404426810671569378454512657, 10.39988775557472225409398483677, 10.98357474495040166501479501267

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