Finite Group Databasebeta

#30656543

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

Aliases

No aliases for this group.

Splittings

Fitting#108×C257 ⋊ C2
SylowC257 ⋊ #359

Subgroups

subgroupG/H
centerC4#16861603
commutatorC8×C257C2×C4
FrattiniC2×C8C2×D257
Fitting#108×C257C2
socleC2×C257#102
prime radical#22551614C2
cosocleC2×C8×C257C22
hypercenter#108D257
hypocenterC257#359
LCSG ▷ C8×C257 ▷ C4×C257 ▷ C2×C257 ▷ C257
UCSC1 ◁ C4 ◁ C2×C4 ◁ C2×C8 ◁ #108

56 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 8224

Polycyclic presentation:

2^6,257|a^2=d,c^2=ef,d^2=f,e^2=f,b^a=bc,c^a=ce,e^a=ef,c^b=ce,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#359×D257, C2×#30656543, #45666046, …
maximal normal subgroup of#359×D257, C2×#30656543, #45666046, …
maximal quotient of#45662280, #45662283, #45662334, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 355);