Finite Group Databasebeta

D277⋊#99 #31800979

order17728
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C24

Aliases

unambiguous semidirect productD277⋊#99

Splittings

FittingC2×D4×C277 ⋊ C4
SylowC277 ⋊ C2×#99

Subgroups

subgroupG/H
centerC2C2×C22⋊#11764308
commutatorC22×C277C22×C4
FrattiniC22C22×#11764308
FittingC2×D4×C277C4
socleC2×C277C2×C22⋊C4
prime radicalC2×D4×D277C2
cosocleC22×D277C23
hypercenterC2×D4#11764308
hypocenterC277C2×#99
LCSG ▷ C22×C277 ▷ C2×C277 ▷ C277
UCSC1 ◁ C2 ◁ C23 ◁ C2×D4

210 conjugacy classes of subgroups; only the 50 normal subgroups are shown.

normal subgroups only

This group has 210 conjugacy classes of subgroups — too many to draw. Only its 50 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

transitive degreeμt(G) = 2216

Polycyclic presentation:

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

Conjugacy classes & character table

712 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17728, 1526);