Finite Group Databasebeta
Cayley diagram

C2×#449 #3000

order128
nilpotency class3
isoclinismisoclinic class of #447
automorphismAut(G) order 8192
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C26

Aliases

direct productC2×#449

Subgroups

subgroupG/H
center, socleC23C2×D4
commutator, Frattini, cosocleC2×C4C24
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C23×C4 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

406 conjugacy classes of subgroups; only the 116 normal subgroups are shown.

normal subgroups only

This group has 406 conjugacy classes of subgroups — too many to draw. Only its 116 normal subgroups are shown.

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

Full subgroup data →

Presentation

minimal degreeμ(G) = 14
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 14 points:

(1,2);(3,4)(5,6)(8,12)(9,10)(13,14);(7,8)(9,12)(10,14)(11,13);(4,6)(7,9,11,10)(8,12,13,14)

Conjugacy classes & character table

38 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#9241, C4×#449, #21456, …
maximal normal subgroup of#9241, C4×#449, #21456, …
maximal quotient ofC2×#1597, C2×#1609, C2×#1600, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(128, 1732);