Finite Group Databasebeta
Cayley diagram

C2×#469 #3052

order128
nilpotency class3
isoclinismisoclinic class of #468
automorphismAut(G) order 16384
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C24×C4

Aliases

direct productC2×#469

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

298 conjugacy classes of subgroups.

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)(8,11)(9,12)(13,14);(7,8,12,14,10,13,9,11);(4,6)(8,13)(11,14)

Conjugacy classes & character table

32 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#1339, C2×#1341, #12999, …
maximal normal subgroup ofC2×#1339, C2×#1341, #12999, …
maximal quotient ofC2×#1687, C2×#1693, C2×#1701, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(128, 1784);