Properties

Label 2-5e2-5.4-c7-0-9
Degree $2$
Conductor $25$
Sign $-0.447 - 0.894i$
Analytic cond. $7.80962$
Root an. cond. $2.79457$
Motivic weight $7$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 18.7i·2-s − 59.7i·3-s − 222.·4-s − 1.11e3·6-s − 438. i·7-s + 1.76e3i·8-s − 1.38e3·9-s + 5.75e3·11-s + 1.32e4i·12-s − 3.53e3i·13-s − 8.20e3·14-s + 4.59e3·16-s + 2.39e4i·17-s + 2.58e4i·18-s − 1.65e4·19-s + ⋯
L(s)  = 1  − 1.65i·2-s − 1.27i·3-s − 1.73·4-s − 2.11·6-s − 0.482i·7-s + 1.21i·8-s − 0.631·9-s + 1.30·11-s + 2.21i·12-s − 0.445i·13-s − 0.798·14-s + 0.280·16-s + 1.18i·17-s + 1.04i·18-s − 0.554·19-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 25 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.447 - 0.894i)\, \overline{\Lambda}(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 25 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & (-0.447 - 0.894i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(25\)    =    \(5^{2}\)
Sign: $-0.447 - 0.894i$
Analytic conductor: \(7.80962\)
Root analytic conductor: \(2.79457\)
Motivic weight: \(7\)
Rational: no
Arithmetic: yes
Character: $\chi_{25} (24, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 25,\ (\ :7/2),\ -0.447 - 0.894i)\)

Particular Values

\(L(4)\) \(\approx\) \(0.728207 + 1.17826i\)
\(L(\frac12)\) \(\approx\) \(0.728207 + 1.17826i\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad5 \( 1 \)
good2 \( 1 + 18.7iT - 128T^{2} \)
3 \( 1 + 59.7iT - 2.18e3T^{2} \)
7 \( 1 + 438. iT - 8.23e5T^{2} \)
11 \( 1 - 5.75e3T + 1.94e7T^{2} \)
13 \( 1 + 3.53e3iT - 6.27e7T^{2} \)
17 \( 1 - 2.39e4iT - 4.10e8T^{2} \)
19 \( 1 + 1.65e4T + 8.93e8T^{2} \)
23 \( 1 + 6.56e4iT - 3.40e9T^{2} \)
29 \( 1 + 1.34e5T + 1.72e10T^{2} \)
31 \( 1 - 1.29e5T + 2.75e10T^{2} \)
37 \( 1 + 1.61e5iT - 9.49e10T^{2} \)
41 \( 1 + 3.62e5T + 1.94e11T^{2} \)
43 \( 1 - 5.88e5iT - 2.71e11T^{2} \)
47 \( 1 + 3.43e5iT - 5.06e11T^{2} \)
53 \( 1 + 1.66e6iT - 1.17e12T^{2} \)
59 \( 1 - 2.54e6T + 2.48e12T^{2} \)
61 \( 1 - 2.52e6T + 3.14e12T^{2} \)
67 \( 1 + 1.56e6iT - 6.06e12T^{2} \)
71 \( 1 + 2.99e5T + 9.09e12T^{2} \)
73 \( 1 - 3.12e5iT - 1.10e13T^{2} \)
79 \( 1 - 1.95e6T + 1.92e13T^{2} \)
83 \( 1 + 6.21e5iT - 2.71e13T^{2} \)
89 \( 1 + 5.78e6T + 4.42e13T^{2} \)
97 \( 1 + 7.20e6iT - 8.07e13T^{2} \)
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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

−14.52712154078789224781585868152, −13.23305867846717043056502988855, −12.53577384234591590726570937912, −11.45339351758365206346347323225, −10.14944644776911907610308109601, −8.479424157938103499013994734579, −6.63339446356861065717915009979, −3.92741258083991187130266315639, −1.98009051029613126538203809654, −0.77233587109972640340389006857, 4.11578602931610703805526971830, 5.44491928207872422184003058857, 6.97066732898779448653583551237, 8.814845782304262610268102430148, 9.611315210265091139137820919374, 11.59660192020129146121666336159, 13.78132683857699356426219474089, 14.86032092982336772290800983151, 15.60382318798963268141776095919, 16.55262584153428437480523642037

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