Finite Group Databasebeta
Cayley diagram

#127⋊C9 #63427

order288
isoclinismisoclinic class of #127⋊C3
automorphismAut(G) = C3×#4626⋊C2 (order 1152) · Inn(G) = #127⋊C3 · Out(G) = C22×C3
homologyAbelianization (H1) = C2×C9 · Schur multiplier (H2) = C4

Aliases

unambiguous semidirect product#127⋊C9

Splittings

derivedC42 ⋊ C2×C9
Sylow#127 ⋊ C9

Subgroups

subgroupG/H
center, hypercenterC3#127⋊C3
commutator, hypocenterC42C2×C9
Frattini, socleC22×C3C2×A4
Fitting, prime radicalC3×#127C3
cosocleC3×C42C2×C3
LCSG ▷ C42
UCSC1 ◁ C3

50 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 21
transitive degreeμt(G) = 36

A minimal faithful permutation representation — 2 generators on 21 points:

(1,2,5)(3,11,10,8,6,12)(4,7,9)(13,17,21,15,20,16,18,14,19);(1,8,4,3)(5,10,9,12)

Polycyclic presentation:

2,3^2,2^4|b^3=c,d^2=fg,e^2=f,d^a=dfg,e^a=ef,d^b=e,e^b=deg,f^b=g,g^b=fg

Conjugacy classes & character table

30 conjugacy classes — view the full character table.

Relationships

derived subgroup of#10588306⋊C2
maximal subgroup of#10588306, #63419⋊C2, C2×#127⋊C9, …
maximal normal subgroup of#10588306, #63419⋊C2, C2×#127⋊C9, …
maximal quotient of#384⋊C9, #392⋊C9, #399⋊C9, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(288, 75);