Properties

Label 2-5e2-5.4-c7-0-4
Degree $2$
Conductor $25$
Sign $0.894 - 0.447i$
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  + 5.23i·2-s − 5.47i·3-s + 100.·4-s + 28.6·6-s − 769. i·7-s + 1.19e3i·8-s + 2.15e3·9-s + 5.35e3·11-s − 550. i·12-s + 1.40e4i·13-s + 4.03e3·14-s + 6.60e3·16-s − 1.24e4i·17-s + 1.12e4i·18-s + 5.03e3·19-s + ⋯
L(s)  = 1  + 0.462i·2-s − 0.117i·3-s + 0.785·4-s + 0.0542·6-s − 0.848i·7-s + 0.826i·8-s + 0.986·9-s + 1.21·11-s − 0.0919i·12-s + 1.77i·13-s + 0.392·14-s + 0.402·16-s − 0.612i·17-s + 0.456i·18-s + 0.168·19-s + ⋯

Functional equation

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

Invariants

Degree: \(2\)
Conductor: \(25\)    =    \(5^{2}\)
Sign: $0.894 - 0.447i$
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: \((2,\ 25,\ (\ :7/2),\ 0.894 - 0.447i)\)

Particular Values

\(L(4)\) \(\approx\) \(2.11423 + 0.499103i\)
\(L(\frac12)\) \(\approx\) \(2.11423 + 0.499103i\)
\(L(\frac{9}{2})\) 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 \( 1 - 5.23iT - 128T^{2} \)
3 \( 1 + 5.47iT - 2.18e3T^{2} \)
7 \( 1 + 769. iT - 8.23e5T^{2} \)
11 \( 1 - 5.35e3T + 1.94e7T^{2} \)
13 \( 1 - 1.40e4iT - 6.27e7T^{2} \)
17 \( 1 + 1.24e4iT - 4.10e8T^{2} \)
19 \( 1 - 5.03e3T + 8.93e8T^{2} \)
23 \( 1 + 7.51e4iT - 3.40e9T^{2} \)
29 \( 1 + 1.95e5T + 1.72e10T^{2} \)
31 \( 1 + 9.35e4T + 2.75e10T^{2} \)
37 \( 1 + 1.61e5iT - 9.49e10T^{2} \)
41 \( 1 + 2.87e4T + 1.94e11T^{2} \)
43 \( 1 - 7.39e5iT - 2.71e11T^{2} \)
47 \( 1 + 1.06e6iT - 5.06e11T^{2} \)
53 \( 1 - 6.26e5iT - 1.17e12T^{2} \)
59 \( 1 + 2.14e6T + 2.48e12T^{2} \)
61 \( 1 + 2.57e6T + 3.14e12T^{2} \)
67 \( 1 - 8.07e5iT - 6.06e12T^{2} \)
71 \( 1 + 1.72e6T + 9.09e12T^{2} \)
73 \( 1 + 1.74e6iT - 1.10e13T^{2} \)
79 \( 1 - 2.46e6T + 1.92e13T^{2} \)
83 \( 1 - 6.90e6iT - 2.71e13T^{2} \)
89 \( 1 + 2.63e6T + 4.42e13T^{2} \)
97 \( 1 - 1.01e7iT - 8.07e13T^{2} \)
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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

−16.42968696656867876419634767607, −14.84682083325472718855646838966, −13.83778597006325564688980788763, −12.11981894583724627785286279476, −10.96595473521302556272383642380, −9.328172890635047776545287451185, −7.32282306089010152130969557825, −6.57041108855247341860143856537, −4.20827848772313087888391801884, −1.63010751362903130803099340907, 1.55180083548303927046301528055, 3.47736819273146495272757502644, 5.85766941666068925449908857942, 7.50438850395214607619438580543, 9.435005129300722807242883714286, 10.72386949988730731463457672693, 12.03359772519749169140734317149, 12.97545163076239425021706126179, 15.05538705931091709593352833280, 15.63305587058576950153223845110

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