Finite Group Databasebeta

C2×#16861239 #22550668

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

Aliases

direct productC2×#16861239

Splittings

SylowC127 ⋊ C2×#137

Subgroups

subgroupG/H
centerC22C2×C22⋊D127
commutatorC4×C127C24
FrattiniC4C23×D127
FittingC2×#41×C127C2
socleC22×C127C2×D4
hypercenterC2×#41D127
hypocenterC127C2×#137
LCSG ▷ C4×C127 ▷ C2×C127 ▷ C127
UCSC1 ◁ C22 ◁ C22×C4 ◁ C2×#41

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

normal subgroups only

This group has 258 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#30639097, #30639099, #30639201, …
maximal normal subgroup of#30639097, #30639099, #30639201, …
maximal quotient ofC2×#22549884, C2×#22549877, C2×#22549919, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(8128, 1341);