Finite Group Databasebeta

C4⋊#17984178 #31797887

order17536
automorphism?
homologyAbelianization (H1) = C2×C32 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productC4⋊#17984178

Splittings

SylowC137 ⋊ C4⋊C32

Subgroups

subgroupG/H
center, FrattiniC2×C4C2×#11764049
commutatorC2×C137C2×C32
FittingC42×C137C8
socle, prime radicalC22×C137C2×C16
cosocleC2×#14555513C22
hypercenterC42#11764049
hypocenterC137C4⋊C32
LCSG ▷ C2×C137 ▷ C137
UCSC1 ◁ C2×C4 ◁ C42

62 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 17536

Polycyclic presentation:

2^7,137|a^2=d,b^2=c,d^2=e,e^2=f,f^2=g,b^a=bc,h^a=h^127,h^d=h^100,h^e=h^136

Conjugacy classes & character table

352 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17536, 21608);