Finite Group Databasebeta
Cayley diagram

C2×#2949 #60163

order256
nilpotency class3
isoclinismisoclinic class of #576
automorphismAut(G) order 262144
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C29

Aliases

direct productC2×#2949

Subgroups

subgroupG/H
center, socleC23C22×D4
commutatorC4C24×C4
Frattini, cosocleC2×C4C25
prime radicalC23×D4C22
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C2×#117 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1435 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);(3,4,6,5)(7,8)(9,15)(10,18)(11,13)(12,16)(14,20)(17,22)(19,21);(7,9,11,17)(8,12,13,21)(10,19,20,16)(14,22,18,15);(3,5,6,4)(7,8)(9,12)(10,14)(11,13)(15,16)(17,21)(18,20)(19,22);(8,13)(12,21)(14,18)(15,22)

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#220181, #220191, #222257, …
maximal normal subgroup of#220181, #220191, #222257, …
maximal quotient ofC2×#17855, C2×#17878, C2×#17879, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53151);