Finite Group Databasebeta

D277⋊#108 #31801015

order17728
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect productD277⋊#108

Splittings

SylowC277 ⋊ C2×#108

Subgroups

subgroupG/H
centerC4C4⋊#11764308
commutatorC4×C277C22×C4
FrattiniC4C22×#11764308
FittingC2×C8×C277C4
socleC2×C277C2×C4⋊C4
prime radicalC22×D277Q8
cosocleC4×D277C23
hypercenterC2×C8#11764308
hypocenterC277C2×#108
LCSG ▷ C4×C277 ▷ C2×C277 ▷ C277
UCSC1 ◁ C4 ◁ C2×C4 ◁ C2×C8

106 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 4432

Polycyclic presentation:

2^6,277|a^2=e,b^2=d,d^2=f,e^2=f,b^a=bd,d^a=df,g^a=g^217,g^c=g^276,g^e=g^276

Conjugacy classes & character table

1132 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17728, 1562);