Finite Group Databasebeta

#30656533

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

Aliases

No aliases for this group.

Splittings

Fitting#101×C257 ⋊ C2
SylowC257 ⋊ #355

Subgroups

subgroupG/H
centerC2#22551506
commutatorC2×C4×C257C2×C4
FrattiniC2×Q8C2×D257
Fitting#101×C257C2
socleC2×C257#99
prime radicalC2×D1028C4
cosocleC2×Q8×C257C22
hypercenter#101D257
hypocenterC257#355
LCSG ▷ C2×C4×C257 ▷ C22×C257 ▷ C2×C257 ▷ C257
UCSC1 ◁ C2 ◁ C22 ◁ C2×Q8 ◁ #101

64 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 4112

Polycyclic presentation:

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

Conjugacy classes & character table

1421 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup of#355×D257, C2×#30656533, #45666003, …
maximal normal subgroup of#355×D257, C2×#30656533, #45666003, …
maximal quotient of#45662251, #45662263, #45662322, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 345);