Properties

Label 2-15e2-3.2-c4-0-3
Degree $2$
Conductor $225$
Sign $0.577 + 0.816i$
Analytic cond. $23.2582$
Root an. cond. $4.82267$
Motivic weight $4$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 7.84i·2-s − 45.5·4-s − 71.8·7-s + 231. i·8-s − 66.0i·11-s − 143.·13-s + 563. i·14-s + 1.09e3·16-s − 88.1i·17-s + 397.·19-s − 518.·22-s + 189. i·23-s + 1.12e3i·26-s + 3.27e3·28-s − 649. i·29-s + ⋯
L(s)  = 1  − 1.96i·2-s − 2.84·4-s − 1.46·7-s + 3.62i·8-s − 0.545i·11-s − 0.850·13-s + 2.87i·14-s + 4.25·16-s − 0.304i·17-s + 1.10·19-s − 1.07·22-s + 0.357i·23-s + 1.66i·26-s + 4.17·28-s − 0.772i·29-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 225 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.577 + 0.816i)\, \overline{\Lambda}(5-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 225 ^{s/2} \, \Gamma_{\C}(s+2) \, L(s)\cr =\mathstrut & (0.577 + 0.816i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(225\)    =    \(3^{2} \cdot 5^{2}\)
Sign: $0.577 + 0.816i$
Analytic conductor: \(23.2582\)
Root analytic conductor: \(4.82267\)
Motivic weight: \(4\)
Rational: no
Arithmetic: yes
Character: $\chi_{225} (26, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 225,\ (\ :2),\ 0.577 + 0.816i)\)

Particular Values

\(L(\frac{5}{2})\) \(\approx\) \(0.6396675728\)
\(L(\frac12)\) \(\approx\) \(0.6396675728\)
\(L(3)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
5 \( 1 \)
good2 \( 1 + 7.84iT - 16T^{2} \)
7 \( 1 + 71.8T + 2.40e3T^{2} \)
11 \( 1 + 66.0iT - 1.46e4T^{2} \)
13 \( 1 + 143.T + 2.85e4T^{2} \)
17 \( 1 + 88.1iT - 8.35e4T^{2} \)
19 \( 1 - 397.T + 1.30e5T^{2} \)
23 \( 1 - 189. iT - 2.79e5T^{2} \)
29 \( 1 + 649. iT - 7.07e5T^{2} \)
31 \( 1 - 508.T + 9.23e5T^{2} \)
37 \( 1 - 1.27e3T + 1.87e6T^{2} \)
41 \( 1 - 1.53e3iT - 2.82e6T^{2} \)
43 \( 1 + 1.27e3T + 3.41e6T^{2} \)
47 \( 1 - 3.09e3iT - 4.87e6T^{2} \)
53 \( 1 - 940. iT - 7.89e6T^{2} \)
59 \( 1 - 5.07e3iT - 1.21e7T^{2} \)
61 \( 1 + 625.T + 1.38e7T^{2} \)
67 \( 1 + 2.76e3T + 2.01e7T^{2} \)
71 \( 1 + 2.56e3iT - 2.54e7T^{2} \)
73 \( 1 + 7.89e3T + 2.83e7T^{2} \)
79 \( 1 - 7.07e3T + 3.89e7T^{2} \)
83 \( 1 + 1.04e4iT - 4.74e7T^{2} \)
89 \( 1 - 1.40e4iT - 6.27e7T^{2} \)
97 \( 1 - 1.51e4T + 8.85e7T^{2} \)
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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

−11.60374504235181873451401294729, −10.43461735052508204981726208156, −9.666538034756457367322814210740, −9.186000577747940376660479214453, −7.76219121537830319575221122363, −5.95010569433798428787949889480, −4.62793436252922556572375477840, −3.34179027018983582040180205732, −2.65965062250797308199030004647, −0.896347951904850342127275710414, 0.30468788553446724205997237759, 3.41112438238144059783163340455, 4.73386848904615676562986279543, 5.78487688345651984851699374355, 6.78517738824805616263467851577, 7.36516760453908231208658618525, 8.573240437786316780945886689346, 9.604126602196345584733230734581, 10.04213689407154495974995872456, 12.26619016446529430740670984638

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