Finite Group Databasebeta
Cayley diagram

C2×#2911 #60105

order256
nilpotency class3
isoclinismisoclinic class of AGL(1,ℤ/8)
automorphismAut(G) order 1048576
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C29

Aliases

direct productC2×#2911

Subgroups

subgroupG/H
centerC22×C4C2×D4
commutatorC4C24×C4
Frattini, cosocleC2×C4C25
socleC23C22×D4
prime radicalC25D4
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C4 ◁ C24×C4 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1439 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 5 generators on 22 points:

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

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#123892, #123893, #123896, …
maximal normal subgroup of#123892, #123893, #123896, …
maximal quotient ofC2×#17787, C2×#17795, C2×#17797, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53093);