Properties

Label 2-20e2-5.4-c5-0-30
Degree $2$
Conductor $400$
Sign $0.894 + 0.447i$
Analytic cond. $64.1535$
Root an. cond. $8.00958$
Motivic weight $5$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 5.52i·3-s + 68.9i·7-s + 212.·9-s + 486.·11-s − 428. i·13-s − 1.80e3i·17-s − 1.04e3·19-s − 380.·21-s − 686. i·23-s + 2.51e3i·27-s + 1.33e3·29-s − 7.99e3·31-s + 2.68e3i·33-s + 1.97e3i·37-s + 2.36e3·39-s + ⋯
L(s)  = 1  + 0.354i·3-s + 0.531i·7-s + 0.874·9-s + 1.21·11-s − 0.703i·13-s − 1.51i·17-s − 0.665·19-s − 0.188·21-s − 0.270i·23-s + 0.664i·27-s + 0.295·29-s − 1.49·31-s + 0.429i·33-s + 0.236i·37-s + 0.249·39-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 400 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.894 + 0.447i)\, \overline{\Lambda}(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 400 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & (0.894 + 0.447i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(400\)    =    \(2^{4} \cdot 5^{2}\)
Sign: $0.894 + 0.447i$
Analytic conductor: \(64.1535\)
Root analytic conductor: \(8.00958\)
Motivic weight: \(5\)
Rational: no
Arithmetic: yes
Character: $\chi_{400} (49, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 400,\ (\ :5/2),\ 0.894 + 0.447i)\)

Particular Values

\(L(3)\) \(\approx\) \(2.303986962\)
\(L(\frac12)\) \(\approx\) \(2.303986962\)
\(L(\frac{7}{2})\) 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 \( 1 - 5.52iT - 243T^{2} \)
7 \( 1 - 68.9iT - 1.68e4T^{2} \)
11 \( 1 - 486.T + 1.61e5T^{2} \)
13 \( 1 + 428. iT - 3.71e5T^{2} \)
17 \( 1 + 1.80e3iT - 1.41e6T^{2} \)
19 \( 1 + 1.04e3T + 2.47e6T^{2} \)
23 \( 1 + 686. iT - 6.43e6T^{2} \)
29 \( 1 - 1.33e3T + 2.05e7T^{2} \)
31 \( 1 + 7.99e3T + 2.86e7T^{2} \)
37 \( 1 - 1.97e3iT - 6.93e7T^{2} \)
41 \( 1 - 1.07e4T + 1.15e8T^{2} \)
43 \( 1 + 1.50e4iT - 1.47e8T^{2} \)
47 \( 1 - 895. iT - 2.29e8T^{2} \)
53 \( 1 + 1.93e4iT - 4.18e8T^{2} \)
59 \( 1 - 2.11e4T + 7.14e8T^{2} \)
61 \( 1 + 2.77e4T + 8.44e8T^{2} \)
67 \( 1 + 7.71e3iT - 1.35e9T^{2} \)
71 \( 1 - 5.14e4T + 1.80e9T^{2} \)
73 \( 1 + 4.37e4iT - 2.07e9T^{2} \)
79 \( 1 + 6.22e3T + 3.07e9T^{2} \)
83 \( 1 + 5.29e4iT - 3.93e9T^{2} \)
89 \( 1 + 4.46e4T + 5.58e9T^{2} \)
97 \( 1 - 1.48e5iT - 8.58e9T^{2} \)
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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

−10.33360951409833008526563521672, −9.404246970849521318299539791891, −8.822181805421170441069658795519, −7.50224031263775029469969341985, −6.67406351449867704506971691763, −5.49965142119085833219657373818, −4.48008999920137193103421133022, −3.44019451854869036742521204507, −2.06075088971342133553412946218, −0.65431948913812395059529164303, 1.10089038850016783986003404680, 1.93764251902418140799259830041, 3.81543106879827016206501513245, 4.34032149058358103038009113483, 6.01114815152662507612789005336, 6.77989365943789086714528809079, 7.59991405213120838505239611597, 8.733647854361169972638458469276, 9.595256748814266546756451233302, 10.56973872947275314510707458114

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