Finite Group Databasebeta
Cayley diagram

C2×#339 #1732

order128
nilpotency class3
isoclinismisoclinic class of D8
automorphismAut(G) order 4096
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C24

Aliases

direct productC2×#339

Subgroups

subgroupG/H
centerC22×C4D4
commutatorC4C2×C42
Frattini, cosocleC22×C4C23
socleC23C22⋊C4
prime radicalC24D4
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C4 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

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

normal subgroups only

This group has 244 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) = 32

A minimal faithful permutation representation — 3 generators on 14 points:

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

Conjugacy classes & character table

56 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×#339, #10701, #10706, …
maximal normal subgroup ofC4×#339, #10701, #10706, …
maximal quotient ofC2×#1276, #7867, #7869, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(128, 464);