Finite Group Databasebeta

C2×#16861235 #22550663

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

Aliases

direct productC2×#16861235

Splittings

FittingC22×D4×C127 ⋊ C2
SylowC127 ⋊ C2×AGL(1,ℤ/8)

Subgroups

subgroupG/H
centerC22C2×C22⋊D127
commutatorC4×C127C24
FrattiniC4C23×D127
FittingC22×D4×C127C2
socleC22×C127C2×D4
hypercenterC22×D4D127
hypocenterC127C2×AGL(1,ℤ/8)
LCSG ▷ C4×C127 ▷ C2×C127 ▷ C127
UCSC1 ◁ C22 ◁ C22×C4 ◁ C22×D4

298 conjugacy classes of subgroups; only the 111 normal subgroups are shown.

normal subgroups only

This group has 298 conjugacy classes of subgroups — too many to draw. Only its 111 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Conjugacy classes & character table

1282 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup of#30639103, #30639109, #30639207, …
maximal normal subgroup of#30639103, #30639109, #30639207, …
maximal quotient ofC2×#22549881, C2×#22549875, C2×#22549916, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(8128, 1336);