Finite Group Databasebeta

(C27⋊C3)⋊Q8 #10619604

order648
automorphism?
homologyAbelianization (H1) = C22×C3 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect product(C27⋊C3)⋊Q8
unambiguous semidirect productDic54⋊C3

Splittings

SylowC27⋊C3 ⋊ Q8

Subgroups

subgroupG/H
centerC2C2×D27⋊C3
commutator, cosocleC2×C27C22×C3
FrattiniC2×C9C2×C3×D3
FittingC4×C27⋊C3C2
socleC2×C3C2×C3×D9
prime radicalC2×C32C2×D9
hypercenterC4D27⋊C3
hypocenterC27C3×Q8
LCSG ▷ C2×C27 ▷ C27
UCSC1 ◁ C2 ◁ C4

54 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 216

Polycyclic presentation:

2^2,3,2,3^3|a^2=d,b^2=d,e^3=f,f^3=g,b^a=bd,e^a=e^2f^2g^2,f^a=f^2g^2,g^a=g^2,e^c=eg

Conjugacy classes & character table

75 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofDic108⋊C3, #88360⋊C3, #88368⋊C3, …
maximal normal subgroup ofDic108⋊C3, #88360⋊C3, #88368⋊C3, …
maximal quotient of((C27⋊C3)⋊C4)⋊C4, C4⋊((C27⋊C3)⋊C4), C2×(C27⋊C3)⋊Q8, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(648, 123);