Finite Group Databasebeta

C2×#22551660 #30657745

order16448
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

direct productC2×#22551660
unambiguous semidirect productD257⋊#106

Splittings

FittingC2×C8×C257 ⋊ C4
SylowC257 ⋊ C2×#106

Subgroups

subgroupG/H
centerC22C4⋊#11759967
commutatorC4×C257C22×C4
FrattiniC4C22×#11759967
FittingC2×C8×C257C4
socleC22×C257C4⋊C4
prime radicalC22×D257D4
cosocleC4×D257C23
hypercenterC2×C8#11759967
hypocenterC257C2×#106
LCSG ▷ C4×C257 ▷ C2×C257 ▷ C257
UCSC1 ◁ C22 ◁ C2×C4 ◁ C2×C8

130 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 4112

Conjugacy classes & character table

1052 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 1557);