Finite Group Databasebeta

(C2×#11764308)⋊C8 #31800867

order17728
automorphism?
homologyAbelianization (H1) = C4×C8 · Schur multiplier (H2) = C23

Aliases

unambiguous semidirect product(C2×#11764308)⋊C8

Splittings

FittingC2×C8×C277 ⋊ C4
SylowC277 ⋊ #336

Subgroups

subgroupG/H
center, FrattiniC2×C4C2×#11764308
commutatorC2×C277C4×C8
FittingC2×C8×C277C4
socleC22×C277C42
prime radicalC22×D277C2×C4
cosocleC2×C4×D277C22
hypercenterC2×C8#11764308
hypocenterC277#336
LCSG ▷ C2×C277 ▷ C277
UCSC1 ◁ C2×C4 ◁ C2×C8

118 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 4432

Polycyclic presentation:

2^6,277|a^2=d,b^2=e,d^2=f,b^a=bc,g^b=g^217,g^e=g^276

Conjugacy classes & character table

1144 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17728, 1414);