Finite Group Databasebeta

D277⋊#131 #31801078

order17728
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25

Aliases

unambiguous semidirect productD277⋊#131

Splittings

SylowC277 ⋊ C2×#131

Subgroups

subgroupG/H
centerC4C22×#11764308
commutator, socleC2×C277C23×C4
FrattiniC2C23×#11764308
Fitting#41×C277C4
prime radical#41×D277C2
cosocleDic277C24
hypercenter#41#11764308
hypocenterC277C2×#131
LCSG ▷ C2×C277 ▷ C277
UCSC1 ◁ C4 ◁ #41

266 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 4432

Polycyclic presentation:

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

Conjugacy classes & character table

730 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17728, 1625);