Finite Group Databasebeta
Cayley diagram

C2×#3095 #60510

order256
nilpotency class3
isoclinismisoclinic class of #3003
automorphismAut(G) order 262144
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28

Aliases

direct productC2×#3095

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC2×C4C25
prime radicalC25D4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C24×C4 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1163 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 26
transitive degreeμt(G) = 64

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

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#114371, #114377, #114434, …
maximal normal subgroup of#114371, #114377, #114434, …
maximal quotient ofC2×#20702, C2×#20846, C2×#20911, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53498);