Finite Group Databasebeta

D277⋊(C22⋊C8) #31800970

order17728
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C24

Aliases

unambiguous semidirect productD277⋊(C22⋊C8)

Splittings

SylowC277 ⋊ C2×C22⋊C8

Subgroups

subgroupG/H
centerC2×C4C2×#11764308
commutatorC2×C277C22×C8
FrattiniC22C22×#11764308
FittingC22×C4×C277C4
socleC22×C277C22×C4
prime radicalC23×D277C4
cosocleC2×Dic277C23
hypercenterC22×C4#11764308
hypocenterC277C2×C22⋊C8
LCSG ▷ C2×C277 ▷ C277
UCSC1 ◁ C2×C4 ◁ C22×C4

202 conjugacy classes of subgroups; only the 70 normal subgroups are shown.

normal subgroups only

This group has 202 conjugacy classes of subgroups — too many to draw. Only its 70 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) = 4432

Polycyclic presentation:

2^6,277|a^2=e,e^2=f,b^a=bd,g^a=g^217,g^c=g^276,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, 1517);