Finite Group Databasebeta
Cayley diagram

C2×#3179 #60684

order256
nilpotency class3
isoclinismisoclinic class of #3057
automorphism?
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28

Aliases

direct productC2×#3179

Subgroups

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

1017 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 26
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 5 generators on 26 points:

(1,2);(3,4)(5,8)(6,7)(9,10)(11,12,16,19)(13,17,21,25)(14,23,18,15)(20,22,24,26);(4,7)(8,10)(11,13)(12,17)(14,24)(15,22)(16,21)(18,20)(19,25)(23,26);(11,14,15,12,16,18,23,19)(13,20,22,25,21,24,26,17);(3,5,6,9)(4,8,7,10)(13,21)(17,25)(20,24)(22,26)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#220206, #220208, #220216, …
maximal normal subgroup of#220206, #220208, #220216, …
maximal quotient ofC2×#20822, C2×#21284, C2×#21285, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53672);