Finite Group Databasebeta

#11757417⋊C2 #14516429

order1944
isoclinismisoclinic class of #11757417⋊C2
automorphism?
homologyAbelianization (H1) = C2×C9 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect product#11757417⋊C2

Splittings

derivedC22⋊C27 ⋊ C2×C9

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, hypocenterC22⋊C27C2×C9
FrattiniC3×C9C3×S4
FittingC22×C9⋊C9D3
socleC22×C3D9⋊C9
prime radical((C22⋊C27)⋊C2)⋊C3C3
cosocle#66353C2×C3
LCSG ▷ C22⋊C27
UCSC1

87 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 31
transitive degreeμt(G) = 54

Polycyclic presentation:

2,3^5,2^2|b^3=c,d^3=e,e^3=f,d^a=d^2e^2f^2,e^a=e^2f^2,f^a=f^2,g^a=gh,d^b=de,e^b=ef,d^c=df,g^d=h,h^d=gh

Conjugacy classes & character table

61 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72228977, C2×#11757417⋊C2, #72229397
maximal normal subgroup ofC2×#11757417⋊C2
maximal quotient ofC2×#11757417⋊C2, #72229362, #72229397
automorphism group of(C22⋊C27)⋊C2

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1944, 823);