Finite Group Databasebeta
Cayley diagram

C2×#3005 #60356

order256
nilpotency class3
isoclinismisoclinic class of #3003
automorphismAut(G) order 262144
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C210

Aliases

direct productC2×#3005

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC2×C4C25
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C24×C4 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

2549 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)(11,19)(12,15)(13,17)(18,21)(20,22);(7,9)(8,13)(10,17)(11,20)(12,18)(14,21)(15,22)(16,19);(4,6)(7,10,12,11)(8,14,15,19)(9,17,18,20)(13,21,22,16);(8,15)(13,22)(14,19)(16,21)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#114870, #114973, #198133, …
maximal normal subgroup of#114870, #114973, #198133, …
maximal quotient ofC2×#18134, C2×#18139, C2×#18144, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53344);