Finite Group Databasebeta

C4⋊#17984566 #31800922

order17728
automorphism?
homologyAbelianization (H1) = C2×C16 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productC4⋊#17984566

Splittings

SylowC277 ⋊ C4⋊C16

Subgroups

subgroupG/H
center, FrattiniC2×C4C2×#11764308
commutatorC2×C277C2×C16
FittingC42×C277C4
socle, prime radicalC22×C277C2×C8
cosocleC2×#14555660C22
hypercenterC42#11764308
hypocenterC277C4⋊C16
LCSG ▷ C2×C277 ▷ C277
UCSC1 ◁ C2×C4 ◁ C42

50 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 17728

Polycyclic presentation:

2^6,277|a^2=d,b^2=c,d^2=e,e^2=f,b^a=bc,g^a=g^217,g^d=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, 1469);