Finite Group Databasebeta

#22551621

order8224
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Splittings

FittingSD16×C257 ⋊ C2
SylowC257 ⋊ #137

Subgroups

subgroupG/H
centerC2D4×D257
commutatorC4×C257C23
FrattiniC4C22×D257
FittingSD16×C257C2
socleC2×C257C2×D4
hypercenterSD16D257
hypocenterC257#137
LCSG ▷ C4×C257 ▷ C2×C257 ▷ C257
UCSC1 ◁ C2 ◁ C4 ◁ SD16

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2^5,257|b^2=e,d^2=e,b^a=bd,c^a=ce,d^a=de,d^b=de,f^c=f^256

Conjugacy classes & character table

907 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#137×D257, C2×#22551621, #30657533, …
maximal normal subgroup of#137×D257, C2×#22551621, #30657533, …
maximal quotient of#30656735, #30656744, #30656776, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(8224, 175);