Finite Group Databasebeta

C2×#16861228 #22550655

order8128
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

direct productC2×#16861228

Splittings

FittingC2×D8×C127 ⋊ C2
SylowC127 ⋊ C2×#135

Subgroups

subgroupG/H
centerC22D4×D127
commutatorC4×C127C24
FrattiniC4C23×D127
FittingC2×D8×C127C2
socleC22×C127C2×D4
hypercenterC2×D8D127
hypocenterC127C2×#135
LCSG ▷ C4×C127 ▷ C2×C127 ▷ C127
UCSC1 ◁ C22 ◁ C2×C4 ◁ C2×D8

266 conjugacy classes of subgroups.

Full subgroup data →

Conjugacy classes & character table

910 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#30640434, #30640439, #30640476, …
maximal normal subgroup of#30640434, #30640439, #30640476, …
maximal quotient ofC2×#22549869, C2×#22549913, C2×D8×Dic127, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(8128, 1328);