Finite Group Databasebeta
Cayley diagram

C2×#3284 #61044

order256
nilpotency class3
isoclinismisoclinic class of D4×D8
automorphism?
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C29

Aliases

direct productC2×#3284

Subgroups

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

1429 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

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

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

Conjugacy classes & character table

70 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#220303, #220339, #220359, …
maximal normal subgroup of#220303, #220339, #220359, …
maximal quotient ofC2×#19851, C2×#19852, C2×#19853, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 54032);