Finite Group Databasebeta
Cayley diagram

C2×#2320 #34055

order256
nilpotency class2
isoclinismisoclinic class of #534
automorphismAut(G) order 2097152
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C27×C4

Aliases

direct productC2×#2320

Subgroups

subgroupG/H
center, socle, prime radicalC24C24
commutatorC22C24×C4
Frattini, cosocleC23C25
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

1219 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 256

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

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

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#97020, #105619, #105643, …
maximal normal subgroup of#97020, #105619, #105643, …
maximal quotient ofC2×#13781, C2×#13783, C2×#13786, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27043);