Finite Group Databasebeta
Cayley diagram

C2×#3063 #60452

order256
nilpotency class3
isoclinismisoclinic class of #3057
automorphismAut(G) order 131072
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C29

Aliases

direct productC2×#3063

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC2×C4C25
prime radicalC2×#537C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C22×#41 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1371 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);(3,4)(5,6)(7,8,12,16)(9,17,19,20)(10,14,13,22)(11,18,21,15);(7,9,11,14,12,19,21,22)(8,13,15,17,16,10,18,20);(4,6)(7,10)(8,14)(9,18)(11,20)(12,13)(15,19)(16,22)(17,21);(9,19)(10,13)(14,22)(17,20)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#372765, #372768, #372769, …
maximal normal subgroup of#372765, #372768, #372769, …
maximal quotient ofC2×#19231, C2×#19233, C2×#19235, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53440);