Finite Group Databasebeta

#30657167

order16448
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Splittings

Fitting#135×C257 ⋊ C2
SylowC257 ⋊ #508

Subgroups

subgroupG/H
centerC4#16861603
commutator, cosocleC8×C257C23
FrattiniC8C22×D257
Fitting#135×C257C2
socleC2×C257C2×D8
hypercenter#135D257
hypocenterC257#508
LCSG ▷ C8×C257 ▷ C4×C257 ▷ C2×C257 ▷ C257
UCSC1 ◁ C4 ◁ C2×C4 ◁ C2×C8 ◁ #135

84 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 8224

Polycyclic presentation:

2^6,257|c^2=f,d^2=ef,e^2=f,b^a=bd,d^a=de,e^a=ef,d^b=de,e^b=ef,g^b=g^256

Conjugacy classes & character table

1814 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup of#45666198, #45666199, #45666203, …
maximal normal subgroup of#45666198, #45666199, #45666203, …
maximal quotient of#45666025, #45666027, #45666102, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 979);