Finite Group Databasebeta
Cayley diagram

C22×Dic19 #64546

order304
isoclinismisoclinic class of D19
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

direct productC22×Dic19

Splittings

derived, SylowC19 ⋊ C22×C4

Subgroups

subgroupG/H
center, hypercenterC23D19
commutator, hypocenterC19C22×C4
FrattiniC2C22×D19
Fitting, socle, prime radicalC23×C19C2
cosocleC2×C19C23
LCSG ▷ C19
UCSC1 ◁ C23

54 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 27
transitive degreeμt(G) = 304

A minimal faithful permutation representation — 3 generators on 27 points:

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

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC19⋊#95, #10597323, #10597324, …
maximal normal subgroup ofC19⋊#95, #10597323, #10597324, …
maximal quotient ofC22×C19⋊C8, C2×#64520, C2×C4×Dic19, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(304, 35);