Finite Group Databasebeta

#30656802

order16448
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Splittings

FittingC4⋊C8×C257 ⋊ C2
SylowC257 ⋊ C8×D4

Subgroups

subgroupG/H
center, FrattiniC2×C4C22×D257
commutatorC2×C257C22×C8
FittingC4⋊C8×C257C2
socleC22×C257C22×C4
prime radicalC2×D1028C4
cosocleC2×C4×C257C23
hypercenterC4⋊C8D257
hypocenterC257C8×D4
LCSG ▷ C2×C257 ▷ C257
UCSC1 ◁ C2×C4 ◁ C4⋊C8

134 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 8224

Polycyclic presentation:

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

Conjugacy classes & character table

2600 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup of#45663112, #45663114, #45663117, …
maximal normal subgroup of#45663112, #45663114, #45663117, …
maximal quotient of#45663114, #45663119, #45663126, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 614);