Finite Group Databasebeta
Cayley diagram

C2×C22⋊D19 #64547

order304
isoclinismisoclinic class of Dic38
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C23

Aliases

direct productC2×C22⋊D19
unambiguous semidirect productC23⋊D19

Splittings

FittingC23×C19 ⋊ C2
SylowC19 ⋊ C2×D4

Subgroups

subgroupG/H
centerC22C2×D19
commutator, cosocleC2×C19C23
FrattiniC2C22×D19
FittingC23×C19C2
socleC22×C19C22
hypercenterC23D19
hypocenterC19C2×D4
LCSG ▷ C2×C19 ▷ C19
UCSC1 ◁ C22 ◁ C23

54 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 25
transitive degreeμt(G) = 152

A minimal faithful permutation representation — 3 generators on 25 points:

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

Conjugacy classes & character table

82 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#10597263, (C22⋊D19)⋊C4, #10597328, …
maximal normal subgroup of#10597263, (C22⋊D19)⋊C4, #10597328, …
maximal quotient ofC2×Dic19⋊C4, #10597370, C2×(C2×D19)⋊C4, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(304, 36);