Finite Group Databasebeta

#30656530

order16448
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2×C4

Aliases

No aliases for this group.

Splittings

SylowC257 ⋊ #353

Subgroups

subgroupG/H
centerC2#22551507
commutatorC2×C4×C257C2×C4
FrattiniC2×D4C2×D257
Fitting, prime radical#127×C257C2
socleC2×C257#99
cosocleC2×D4×C257C22
hypercenter#127D257
hypocenterC257#353
LCSG ▷ C2×C4×C257 ▷ C22×C257 ▷ C2×C257 ▷ C257
UCSC1 ◁ C2 ◁ C22 ◁ C2×D4 ◁ #127

86 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 2056

Polycyclic presentation:

2^6,257|a^2=d,c^2=f,b^a=bc,c^a=ce,e^a=ef,g^a=g^256,c^b=cf,d^b=def,d^c=df

Conjugacy classes & character table

1805 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup of#45662465, #45662466, #45662482, …
maximal normal subgroup of#45662465, #45662466, #45662482, …
maximal quotient of#45662252, #45662266, #45662317, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 342);