Finite Group Databasebeta
Cayley diagram

C2×#3045 #60420

order256
nilpotency class3
isoclinismisoclinic class of #3008
automorphismAut(G) order 131072
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C29

Aliases

direct productC2×#3045

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

1467 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);(4,6)(7,8)(9,13)(10,15)(11,20)(12,16)(14,17)(18,22)(19,21);(3,4,5,6)(7,9)(8,13)(10,19)(11,17)(12,18)(14,20)(15,21)(16,22);(7,9)(8,14)(10,17)(11,19)(12,18)(13,20)(15,22)(16,21);(7,10,12,11)(8,15,16,20)(9,17,18,19)(13,14,22,21)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#368849, #368850, #368896, …
maximal normal subgroup of#368849, #368850, #368896, …
maximal quotient ofC2×#19408, C2×#19409, C2×#19410, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53408);