Finite Group Databasebeta
Cayley diagram

C2×#3140 #60615

order256
nilpotency class3
isoclinismisoclinic class of #3055
automorphism?
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C27×C4

Aliases

direct productC2×#3140

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC2×C4C25
prime radicalC23×D4C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C22×C42 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1123 conjugacy classes of subgroups; only the 487 normal subgroups are shown.

normal subgroups only

This group has 1123 conjugacy classes of subgroups — too many to draw. Only its 487 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#112711, #112745, #112767, …
maximal normal subgroup of#112711, #112745, #112767, …
maximal quotient ofC2×#20765, C2×#21094, C2×#21095, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53603);