Finite Group Databasebeta
Cayley diagram

C4×#488 #21642

order256
nilpotency class3
isoclinismisoclinic class of #465
automorphismAut(G) order 32768
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C23×C4

Aliases

direct productC4×#488

Subgroups

subgroupG/H
centerC22×C4C2×D4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
socleC23C22×D4
prime radicalC22×D4C23
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C4 ◁ C43 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

429 conjugacy classes of subgroups; only the 183 normal subgroups are shown.

normal subgroups only

This group has 429 conjugacy classes of subgroups — too many to draw. Only its 183 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) = 28
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 4 generators on 28 points:

(1,2,3,4);(5,6)(7,10)(8,9)(11,12)(13,14)(15,23)(16,19)(17,27)(18,22)(20,25)(21,24)(26,28);(6,9)(10,12)(13,15,24,26,18,25,17,16)(14,19,27,20,22,28,21,23);(5,7,8,11)(6,10,9,12)(13,16,17,25,18,26,24,15)(14,20,21,19,22,23,27,28)

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#149705, #149865, C4×#1414, …
maximal normal subgroup of#149705, #149865, C4×#1414, …
maximal quotient ofC8×#488, #212596, #212602, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 14630);