Properties

Label 2-20e2-100.87-c1-0-1
Degree $2$
Conductor $400$
Sign $-0.844 - 0.535i$
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  + (−0.962 + 1.88i)3-s + (0.712 − 2.11i)5-s + (−2.48 + 2.48i)7-s + (−0.876 − 1.20i)9-s + (0.636 − 0.876i)11-s + (−0.803 + 5.07i)13-s + (3.31 + 3.38i)15-s + (−5.83 + 2.97i)17-s + (−1.78 + 5.48i)19-s + (−2.30 − 7.08i)21-s + (−1.03 − 6.54i)23-s + (−3.98 − 3.02i)25-s + (−3.15 + 0.500i)27-s + (5.38 − 1.75i)29-s + (−1.28 − 0.416i)31-s + ⋯
L(s)  = 1  + (−0.555 + 1.09i)3-s + (0.318 − 0.947i)5-s + (−0.939 + 0.939i)7-s + (−0.292 − 0.402i)9-s + (0.192 − 0.264i)11-s + (−0.222 + 1.40i)13-s + (0.856 + 0.874i)15-s + (−1.41 + 0.720i)17-s + (−0.409 + 1.25i)19-s + (−0.502 − 1.54i)21-s + (−0.216 − 1.36i)23-s + (−0.796 − 0.604i)25-s + (−0.607 + 0.0962i)27-s + (1.00 − 0.325i)29-s + (−0.230 − 0.0748i)31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 400 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.844 - 0.535i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 400 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.844 - 0.535i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(400\)    =    \(2^{4} \cdot 5^{2}\)
Sign: $-0.844 - 0.535i$
Analytic conductor: \(3.19401\)
Root analytic conductor: \(1.78718\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{400} (287, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 400,\ (\ :1/2),\ -0.844 - 0.535i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.196573 + 0.676988i\)
\(L(\frac12)\) \(\approx\) \(0.196573 + 0.676988i\)
\(L(\frac{3}{2})\) 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 \( 1 + (-0.712 + 2.11i)T \)
good3 \( 1 + (0.962 - 1.88i)T + (-1.76 - 2.42i)T^{2} \)
7 \( 1 + (2.48 - 2.48i)T - 7iT^{2} \)
11 \( 1 + (-0.636 + 0.876i)T + (-3.39 - 10.4i)T^{2} \)
13 \( 1 + (0.803 - 5.07i)T + (-12.3 - 4.01i)T^{2} \)
17 \( 1 + (5.83 - 2.97i)T + (9.99 - 13.7i)T^{2} \)
19 \( 1 + (1.78 - 5.48i)T + (-15.3 - 11.1i)T^{2} \)
23 \( 1 + (1.03 + 6.54i)T + (-21.8 + 7.10i)T^{2} \)
29 \( 1 + (-5.38 + 1.75i)T + (23.4 - 17.0i)T^{2} \)
31 \( 1 + (1.28 + 0.416i)T + (25.0 + 18.2i)T^{2} \)
37 \( 1 + (-0.392 - 0.0620i)T + (35.1 + 11.4i)T^{2} \)
41 \( 1 + (5.94 - 4.31i)T + (12.6 - 38.9i)T^{2} \)
43 \( 1 + (-5.79 - 5.79i)T + 43iT^{2} \)
47 \( 1 + (-1.36 - 0.697i)T + (27.6 + 38.0i)T^{2} \)
53 \( 1 + (-5.76 - 2.93i)T + (31.1 + 42.8i)T^{2} \)
59 \( 1 + (4.21 - 3.06i)T + (18.2 - 56.1i)T^{2} \)
61 \( 1 + (-8.55 - 6.21i)T + (18.8 + 58.0i)T^{2} \)
67 \( 1 + (0.158 + 0.310i)T + (-39.3 + 54.2i)T^{2} \)
71 \( 1 + (-6.11 + 1.98i)T + (57.4 - 41.7i)T^{2} \)
73 \( 1 + (-3.41 + 0.540i)T + (69.4 - 22.5i)T^{2} \)
79 \( 1 + (-0.562 - 1.73i)T + (-63.9 + 46.4i)T^{2} \)
83 \( 1 + (-9.67 + 4.93i)T + (48.7 - 67.1i)T^{2} \)
89 \( 1 + (1.98 - 2.73i)T + (-27.5 - 84.6i)T^{2} \)
97 \( 1 + (-2.35 + 4.61i)T + (-57.0 - 78.4i)T^{2} \)
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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

−11.69414996358297948696745938677, −10.58435583558097436215807865757, −9.780707047586195411481710773248, −9.053231476647913982653393858975, −8.423617801241566768641030656596, −6.45485641570394548334253100419, −5.94735901967266165280349610838, −4.67032228202979270846491131032, −4.05839526650636296276696324050, −2.18221931742084801453043007983, 0.46870070659717412470538283649, 2.38315794005604406609735775884, 3.63201327232890339777801597758, 5.31607747052952208049449339600, 6.59073746030475107884448841587, 6.87927545992574621630155473055, 7.65301102371440735832546969990, 9.219892882875995952715669714356, 10.19214229021819033751593806933, 10.90541719282905949210954696085

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