Finite Group Databasebeta
Cayley diagram

C2×#3039 #60413

order256
nilpotency class3
isoclinismisoclinic class of #3003
automorphismAut(G) order 524288
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C29

Aliases

direct productC2×#3039

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC2×C4C25
prime radicalC22×#41C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C22×C42 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1395 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);(4,6)(7,8,12,16)(9,17,19,22)(10,15,11,14)(13,20,21,18);(3,4,5,6);(7,9)(8,13)(10,18)(11,20)(12,19)(14,17)(15,22)(16,21);(7,10,12,11)(8,14,16,15)(9,18,19,20)(13,17,21,22)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#111758, #111804, #111888, …
maximal normal subgroup of#111758, #111804, #111888, …
maximal quotient ofC2×#19270, C2×#19271, C2×#19272, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53401);