Finite Group Databasebeta
Cayley diagram

C2×#1930 #21073

order256
nilpotency class3
isoclinismisoclinic class of #471
automorphismAut(G) order 32768
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C24×C4

Aliases

direct productC2×#1930

Subgroups

subgroupG/H
center, socleC23#121
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
prime radicalC24#41
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

513 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 4 generators on 22 points:

(1,2);(3,4,6,5)(8,12)(9,15)(10,17)(13,20)(14,19)(18,21);(3,5,6,4)(7,8,10,12,11,14,17,19)(9,13,16,18,15,21,22,20);(7,9,10,16,11,15,17,22)(8,13,12,18,14,21,19,20)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×#1930, #354360, #357124, …
maximal normal subgroup ofC4×#1930, #354360, #357124, …
maximal quotient ofC2×#9549, C2×#9551, #202488, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 14061);