Properties

Label 2-5e2-25.2-c2-0-1
Degree $2$
Conductor $25$
Sign $0.922 - 0.386i$
Analytic cond. $0.681200$
Root an. cond. $0.825348$
Motivic weight $2$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (0.287 + 0.0455i)2-s + (1.72 + 3.39i)3-s + (−3.72 − 1.20i)4-s + (2.36 − 4.40i)5-s + (0.342 + 1.05i)6-s + (−2.38 − 2.38i)7-s + (−2.05 − 1.04i)8-s + (−3.22 + 4.43i)9-s + (0.880 − 1.15i)10-s + (−15.4 + 11.2i)11-s + (−2.33 − 14.7i)12-s + (16.2 − 2.56i)13-s + (−0.578 − 0.796i)14-s + (19.0 + 0.404i)15-s + (12.1 + 8.81i)16-s + (−2.10 + 4.12i)17-s + ⋯
L(s)  = 1  + (0.143 + 0.0227i)2-s + (0.575 + 1.13i)3-s + (−0.930 − 0.302i)4-s + (0.472 − 0.881i)5-s + (0.0570 + 0.175i)6-s + (−0.341 − 0.341i)7-s + (−0.256 − 0.130i)8-s + (−0.358 + 0.493i)9-s + (0.0880 − 0.115i)10-s + (−1.40 + 1.02i)11-s + (−0.194 − 1.22i)12-s + (1.24 − 0.197i)13-s + (−0.0413 − 0.0568i)14-s + (1.26 + 0.0269i)15-s + (0.757 + 0.550i)16-s + (−0.123 + 0.242i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 25 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.922 - 0.386i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 25 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (0.922 - 0.386i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(25\)    =    \(5^{2}\)
Sign: $0.922 - 0.386i$
Analytic conductor: \(0.681200\)
Root analytic conductor: \(0.825348\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{25} (2, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 25,\ (\ :1),\ 0.922 - 0.386i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.977724 + 0.196838i\)
\(L(\frac12)\) \(\approx\) \(0.977724 + 0.196838i\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad5 \( 1 + (-2.36 + 4.40i)T \)
good2 \( 1 + (-0.287 - 0.0455i)T + (3.80 + 1.23i)T^{2} \)
3 \( 1 + (-1.72 - 3.39i)T + (-5.29 + 7.28i)T^{2} \)
7 \( 1 + (2.38 + 2.38i)T + 49iT^{2} \)
11 \( 1 + (15.4 - 11.2i)T + (37.3 - 115. i)T^{2} \)
13 \( 1 + (-16.2 + 2.56i)T + (160. - 52.2i)T^{2} \)
17 \( 1 + (2.10 - 4.12i)T + (-169. - 233. i)T^{2} \)
19 \( 1 + (-1.02 + 0.333i)T + (292. - 212. i)T^{2} \)
23 \( 1 + (1.81 - 11.4i)T + (-503. - 163. i)T^{2} \)
29 \( 1 + (17.5 + 5.70i)T + (680. + 494. i)T^{2} \)
31 \( 1 + (6.76 + 20.8i)T + (-777. + 564. i)T^{2} \)
37 \( 1 + (-7.13 - 45.0i)T + (-1.30e3 + 423. i)T^{2} \)
41 \( 1 + (13.3 + 9.71i)T + (519. + 1.59e3i)T^{2} \)
43 \( 1 + (-41.9 + 41.9i)T - 1.84e3iT^{2} \)
47 \( 1 + (-20.1 + 10.2i)T + (1.29e3 - 1.78e3i)T^{2} \)
53 \( 1 + (21.6 + 42.4i)T + (-1.65e3 + 2.27e3i)T^{2} \)
59 \( 1 + (27.2 - 37.5i)T + (-1.07e3 - 3.31e3i)T^{2} \)
61 \( 1 + (-45.3 + 32.9i)T + (1.14e3 - 3.53e3i)T^{2} \)
67 \( 1 + (-2.50 + 4.92i)T + (-2.63e3 - 3.63e3i)T^{2} \)
71 \( 1 + (20.2 - 62.4i)T + (-4.07e3 - 2.96e3i)T^{2} \)
73 \( 1 + (16.1 - 101. i)T + (-5.06e3 - 1.64e3i)T^{2} \)
79 \( 1 + (81.7 + 26.5i)T + (5.04e3 + 3.66e3i)T^{2} \)
83 \( 1 + (-19.1 - 9.77i)T + (4.04e3 + 5.57e3i)T^{2} \)
89 \( 1 + (-52.7 - 72.5i)T + (-2.44e3 + 7.53e3i)T^{2} \)
97 \( 1 + (83.7 - 42.6i)T + (5.53e3 - 7.61e3i)T^{2} \)
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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

−17.42045937616970865717127865721, −15.97206674553833838234634739474, −15.12989529957310768836474736389, −13.61515275167258328429250245216, −12.89462125190470536611445352019, −10.34023976078613781513164129918, −9.562379281006166989311836696349, −8.390174188526299258668066322640, −5.37762994344362020452195081401, −4.05280461905818911838133981185, 2.98308562519359585456042899396, 5.95465591422383137600192314672, 7.72478082334823273571311545466, 8.943864253588715291859147681135, 10.80226016782278228458881179073, 12.78031403743132149517782897079, 13.50815504744730489840614896343, 14.27009152317050877874299191371, 16.03932968680767789972605245112, 17.95564583861693710351875462704

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