Finite Group Databasebeta

Dic225 #11744591

order900
isoclinismisoclinic class of D225
automorphism?
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C1

Aliases

dicyclicDic225
unambiguous semidirect productC9⋊Dic25

Splittings

derived, HallC9×C25 ⋊ C4
SylowC25 ⋊ Dic9
SylowC9 ⋊ Dic25

Subgroups

subgroupG/H
center, hypercenterC2D225
commutator, hypocenterC9×C25C4
Frattini, socle, prime radicalC2×C3×C5D15
Fitting, cosocleC2×C9×C25C2
LCSG ▷ C9×C25
UCSC1 ◁ C2

27 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 38
transitive degreeμt(G) = 900

A minimal faithful permutation representation — 2 generators on 38 points:

(1,2)(3,4)(5,6,7,8,9,10,11,12,13)(14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38);(1,3,2,4)(6,13)(7,12)(8,11)(9,10)(15,38)(16,37)(17,36)(18,35)(19,34)(20,33)(21,32)(22,31)(23,30)(24,29)(25,28)(26,27)

Polycyclic presentation:

2^2,3,5,3,5|a^2=b,c^3=e,d^5=f,c^a=c^2e^2,d^a=d^4f^4,e^a=e^2,f^a=f^4

Conjugacy classes & character table

228 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofDic9×D25, D9×Dic25, #14267816, …
maximal normal subgroup ofDic9×D25, D9×Dic25, #14267816, …
maximal quotient ofC9⋊#6014, C2×Dic225, C13×Dic225, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(900, 3);