Finite Group Databasebeta

Dic7245 #44394348

order28980
automorphism?
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C1

Aliases

dicyclicDic7245
unambiguous semidirect productC7⋊Dic1035
unambiguous semidirect productC9⋊Dic805
unambiguous semidirect productC23⋊Dic315

Splittings

derived, HallC5×C7×C9×C23 ⋊ C4
HallC7×C9×C23 ⋊ Dic5
HallC5×C9×C23 ⋊ Dic7
HallC5×C7×C23 ⋊ Dic9
HallC5×C7×C9 ⋊ Dic23
HallC9×C23 ⋊ Dic35
HallC7×C23 ⋊ Dic45
HallC5×C23 ⋊ Dic63
HallC7×C9 ⋊ Dic115
HallC5×C9 ⋊ Dic161
HallC5×C7 ⋊ Dic207
SylowC23 ⋊ Dic315
SylowC9 ⋊ Dic805
SylowC7 ⋊ Dic1035
SylowC5 ⋊ Dic1449

Subgroups

subgroupG/H
center, hypercenterC2D7245
commutator, hypocenterC5×C7×C9×C23C4
FrattiniC2×C3D2415
Fitting, cosocleC2×C5×C7×C9×C23C2
socle, prime radicalC2×C3×C5×C7×C23D3
LCSG ▷ C5×C7×C9×C23
UCSC1 ◁ C2

72 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 48
transitive degreeμt(G) = 28980

A minimal faithful permutation representation — 2 generators on 48 points:

(1,2)(3,4)(5,6,7,8,9,10,11,12,13)(14,15,16,17,18)(19,20,21,22,23,24,25)(26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48);(1,3,2,4)(6,13)(7,12)(8,11)(9,10)(15,18)(16,17)(20,25)(21,24)(22,23)(27,48)(28,47)(29,46)(30,45)(31,44)(32,43)(33,42)(34,41)(35,40)(36,39)(37,38)

Polycyclic presentation:

2,3,5,7,23,2,3|a^2=f,b^3=g^2,b^a=b^2g,c^a=c^4,d^a=d^6,e^a=e^22,g^a=g^2

Conjugacy classes & character table

7248 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofDic14490
maximal normal subgroup ofDic14490

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(28980, 17);