Finite Group Databasebeta

C4⋊#11764049 #17984181

order4384
automorphism?
homologyAbelianization (H1) = C2×C8 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productC4⋊#11764049

Splittings

FittingC4×C137 ⋊ C8
SylowC137 ⋊ C4⋊C8

Subgroups

subgroupG/H
center, FrattiniC2C2×#11764049
commutator, socleC2×C137C2×C8
FittingC4×C137C8
prime radicalC2×D137C2×C4
cosocleC2×#10587739C22
hypercenterC4#11764049
hypocenterC137C4⋊C8
LCSG ▷ C2×C137 ▷ C137
UCSC1 ◁ C2 ◁ C4

38 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 548

Polycyclic presentation:

2^5,137|a^2=d,b^2=c,d^2=e,b^a=bc,f^a=f^127,f^d=f^100,f^e=f^136

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(4384, 239);