Finite Group Databasebeta
Cayley diagram

C2×#6396 #89895

order448
isoclinismisoclinic class of #1141
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22

Aliases

direct productC2×#6396

Splittings

SylowC7 ⋊ C2×#108

Subgroups

subgroupG/H
centerC2×C4C22⋊D7
commutatorC4×C7C22×C4
FrattiniC2×C4C22×D7
FittingC2×C7×M16C2
socleC22×C7C4⋊C4
prime radicalC23×C7Q8
cosocleC2×C4×C7C23
hypercenterC2×M16D7
hypocenterC7C2×#108
LCSG ▷ C4×C7 ▷ C2×C7 ▷ C7
UCSC1 ◁ C2×C4 ◁ C22×C4 ◁ C2×M16

106 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 25
transitive degreeμt(G) = 224

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

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

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#11726453, #11726478, #11726495, …
maximal normal subgroup of#11726453, #11726478, #11726495, …
maximal quotient ofC4×#6396, #11727629, #11727736, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(448, 657);