Finite Group Databasebeta
Cayley diagram

C2×#1901 #20988

order256
nilpotency class3
isoclinismisoclinic class of #1468
automorphismAut(G) order 65536
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C27

Aliases

direct productC2×#1901

Subgroups

subgroupG/H
center, socleC23C2×C22⋊C4
commutatorC23C23×C4
Frattini, cosocleC22×C4C24
prime radicalC25C2×C4
LCSG ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C24×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

927 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 22 points:

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#106078, #107205, #107243, …
maximal normal subgroup of#106078, #107205, #107243, …
maximal quotient ofC2×#9081, C2×#9082, #195926, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13976);